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UPS opinions?


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UPS opinions?

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  #1 (permalink)
 Poocher 
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I'm considering a new UPS since my old one croaked.

I have a Dell Vostro with a 24" LCD and a 17" CRT plus I'd connect my DSL modem power.

I'd be grateful for any opinions

Costco and Walmart have this for the same price:

Costco - APC Back-UPS ES 750VA 120V Master Control

And Walmart has this 850VA for just $10 more than the first one:

https://www.walmart.com/ip/CyberPower-850VA-510W-Intelligent-LCD-Battery-Backup-UPS/10250454

Walmart will ship for nothing to a nearby store and Costco's shipping is included.

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 cbratton 
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Poocher View Post
I'm considering a new UPS since my old one croaked.

I have a Dell Vostro with a 24" LCD and a 17" CRT plus I'd connect my DSL modem power.

I'd be grateful for any opinions

Costco and Walmart have this for the same price:

Costco - APC Back-UPS ES 750VA 120V Master Control

And Walmart has this 850VA for just $10 more than the first one:

Costco - APC Back-UPS ES 750VA 120V Master Control

Walmart will ship for nothing to a nearby store and Costco's shipping is included.




I was thinking of getting this Cyberpower from Amazon. Its an 850VA for $98.65 shipped.

https://www.amazon.com/CyberPower-CP850AVRLCD-Intelligent-LCD-Green/dp/B000RZPK1W/ref=sr_1_3?ie=UTF8&s=electronics&qid=1268673712&sr=8-3

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  #3 (permalink)
 ZTR 
 
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I have one of these:

Amazon.com: Used and New: APC Back-UPS ES 8 Outlet 550VA 120V

Less than $55 shipped (used). Works Great.

R.I.P. Andy Zektzer (ZTR), 1960-2010.
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  #4 (permalink)
hedge905
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Very important for the UPS to be an on-line model as there is no interruption delay when power goes off..they are more expensive and heavier. You can see the fan in the rear for cooling, plus they make a small amount of noise. A good make is APC, they also carry replacement batteries. Don't forget to plug a phone also in the UPS.

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 ZTR 
 
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hedge905 View Post
Very important for the UPS to be an on-line model as there is no interruption delay when power goes off..they are more expensive and heavier. You can see the fan in the rear for cooling, plus they make a small amount of noise. A good make is APC, they also carry replacement batteries. Don't forget to plug a phone also in the UPS.

That is an excellent point, I just bought the one I posted above, to hook up my cable modem, as I run a wireless system & have no phone line.

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 Big Mike 
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I've probably purchased a dozen of the CyberPower 1200-1400 or above over the years, and a half dozen APC and a dozen Belkin. Not all for my personal use naturally.

CyberPower is by far the best bang for the buck, quality, price, etc. I have four of them in my house, and as I write this, I have another Belkin UPS that has just died in the last week or two...

I've always bought CyberPower via Newegg. I currently own 4 of them in my house, 2 for my computers, and 2 for A/V equipment.

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 GoldStandard 
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AVR (Automatic Voltage Regulation) is a nice feature to have in a UPS. It cleans up small power fluctuations and tends to keep your computer more stable.

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  #8 (permalink)
 doug 
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If your UPS is several years old it may just need a new battery. I've bought replacement UPS batteries from this site a few times and been happy with them:

UPS Batteries - UPS Battery - Replacement Batteries - www.batteryspec.com

For the 2 batteries in my Belkin 1500VA it cost about $35 + $15 shipping.

The replacement is simple, at least with the APC's and Belkins I've had, just pop off a plastic cover and swap the push-on wire connections to the new batteries.

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  #9 (permalink)
 lolu 
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In this part of the world where I live, the UPS is not just sufficient for power protection/supply requirements. The utility power supply from the grid is so poor that I abandoned the use of UPSs (on-line and AVR-inbuilt APC brand) a long time ago. The on-line APC brand with in-built AVR or protected with a separate AVR equipment is a recommended setup.

I now have a separate 5KVA AVR that protects a pure sine wave 48-Volt 3.5KVA Inverter/Charger equipment. I also have a 7KVA power generator set that supply power when the grid supply goes off (which is a very common occurrence in this part of the world where I live). The Inverter/Charger equipment, which is more advanced and efficient/effective than the UPS, distributes power to all my household electrical/electronic equipment. With its current 40Ah battery setup, it supplies continuous and pure power for five hours (in the event of complete long power outage). Higher capacity battery setup will increase the number of hours. I'm also planning to purchase additional Solar panels (I already have two) that will supply power to the Inver/Charger during complete failure of the grid supply and to replace the power generator set. I'm also re-installing the earthing-protection mechanism (to protect the building from lightening strikes caused by thunderstorm) for the building where I reside.

The cost of my power supply setup is enormous, but this is required for my computing/ICT/trading activities, and general home power needs. If I reside in a place such as the USA, the only equipment I'll not need in my above setup, is the power generator set; I'll concentrate on Solar energy setup.

Lolu

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 rleplae 
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It has been covered many times in the local press
but i am not sure it has reached the international press..

Political 'green' parties in Belgium have over the last 10 years advocated alternative energy sources
combined with a gradual shut down of nuclear power.. very noble..
the only problem is, when it is cold, dark and no wind, there is no alternative energy
and as energy as electricity is not easy to store and replay .. there is an issue

On top of this political miss-management, comes the fact that energy in Belgium is in
foreign hands, and those parties have been penalized several times, with random taxes
nobody wants to invest

Today the reality is that energy companies might not have enough production, during
peak consumption for this winter. In order to avoid a complete grid 'black out', politicians
came up with a plan, to uncouple certain zones. from 6 to 1, i am the happy citizen to be
in zone 5. any slightest issue : i win the prize : no electricity.

spoke to my local city people, they don't have yet a full analysis yet spoke to my
telco providers, i feel like i come from planet Mars (help desk is in the Netherlands, they
are not aware of local Belgian energy problems)

numerous calls and analysis, give me the situation : cable goes down when power goes
down (telenet), ADSL, VDSL, VDSL2 continues, even when street is without power
so i'll be on my backup line, when the grid goes down

i figured out, i want :
- UPS for my garage port
- outside automatic light (burglar distress + alarm power + outside cameras & NAS for image capture
- VDSL modem
- trading platform and basic wifi equipemnt
- central heating pump
- some external lights (just to show off to the neighbours ;-) i'm not in the dark

i have an VA (watt) meter, i received a couple years ago from the energy company
i will measure consumption on critical points
and try to size UPS equipment

i already noted
- green label for UPS (low energy consumption when grid is there
- quality of equipment (life cycle

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 Big Mike 
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Remember UPS's will generally only run for about 30 minutes or less. You will spend a lot of money if you start getting extended runtime batteries. You might want to look at a generator instead if you are looking at rolling blackouts lasting a few hours.

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 rleplae 
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Big Mike View Post
Remember UPS's will generally only run for about 30 minutes or less. You will spend a lot of money if you start getting extended runtime batteries. You might want to look at a generator instead if you are looking at rolling blackouts lasting a few hours.

Mike

@Big Mike

???

Imagine if i have a 1500 VA ups
and i have 6 screens using 40 watts = 240 VA (watts)
will the UPS stop after 30 minutes ?
please explain ? i missed something...

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 ericbrown 
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rleplae View Post
@Big Mike

???

Imagine if i have a 1500 VA ups
and i have 6 screens using 40 watts = 240 VA (watts)
will the UPS stop after 30 minutes ?
please explain ? i missed something...

If you are running a standard UPS (Cyberpower, APC, etc) with a standard battery, you'll only get about 20 to 30 minutes of power from them. They are designed to allow you to get your machines shutdown and save your work not to run your systems for hours.

If you want something that runs much longer, you'll need to spend much more money for extended UPS' or a generator.

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 rleplae 
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ericbrown View Post
If you are running a standard UPS (Cyberpower, APC, etc) with a standard battery, you'll only get about 20 to 30 minutes of power from them. They are designed to allow you to get your machines shutdown and save your work not to run your systems for hours.

If you want something that runs much longer, you'll need to spend much more money for extended UPS' or a generator.

from the little of information available
we have been told
black outs could be +/- 3 hours

what sizing do you propose ?
my screens 6 X 40 watts, taking some marging = 300 VA /hour
if i want them to run 3 hours, what UPS do i need ?
not 900 but ?? how much ?

(i'm learning)

or just minimal, 15 minutes to get a 20 KVA generator running ?
and enlighthneing the complete building (which was not my thinking)

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 Big Mike 
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rleplae View Post
from the little of information available
we have been told
black outs could be +/- 3 hours

what sizing do you propose ?
my screens 6 X 40 watts, taking some marging = 300 VA /hour
if i want them to run 3 hours, what UPS do i need ?
not 900 but ?? how much ?

(i'm learning)

or just minimal, 15 minutes to get a 20 KVA generator running ?
and enlighthneing the complete building (which was not my thinking)

Size isn't the solution. You would either need several extended runtime batteries (expensive), or what I would recommend is a generator.

I just purchased a whole house generator, Kohler 14kw, for $3500. And it will run your house as long as you keep it full of fuel (in my case, propane). You can find diesel or propane or natural gas generators for whole house (connect to circuit breaker). If that is too extreme, then look into portable gasoline generators. I bought one of those as well recently, 2.5kva for $299. Enough to run my office as long as I keep the tank full.

Mike

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 lolu 
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@relplae,

I advise that you ascertain/calculate your total power need in WATTs or KVA.

The options are

1. Extended UPS

Considering that I don't use the UPS anymore, I don't have any info on UPS.

2. Generator

Generators are really not meant or designed for constant/daily household use or even office use.

In this part of the world where I reside, it is menacingly and daily used in nearly every homes and definitely in every office buildings, because the power supply from the national grid had completely broken down over the years (more than 30 years) without solutions. Generators produce fumes/smokes/smells and horrible noise, thus polluting the environment; fumes and fire incidences from generators usage have caused death to several people; the cost of fueling, repairs/maintenance is unavoidably high.

If you must buy a generator, go for the diesel-powered types. Diesel fuel are not flammable like gasoline or propane, but the fume from diesel powered generator is horrible.

3. Inverter/Charger system

I already had a post (post #9 above) on this, four years ago (2010).

The cost of my Inverter/Charger system(including Installation fee and Circuit Breaker) is $2,147.00 (converting from my local currency to US dollar ... $1.00 = N163.00). The system was installed in 2009. So, for these past years I did not effectively have the need to buy fuel (diesel in my own case). Until recently, there was no need for repairs and maintenance (I'm now planning to buy a new Inverter/Charger system). Also, there has been no messy fueling, no fumes/smokes, no noise, no dangers of the possibility of fire incidence (especially in the case of gasoline). I still kept my 7KVA generator in case of a long run-down of the Inverter/Charger batteries. The cost of the generator is $1,104.00.

If you have a budget of $3,000.00+, go for an Inverter/Charger system.

Lolu

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 artemiso 
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rleplae View Post
i figured out, i want :
- UPS for my garage port
- outside automatic light (burglar distress + alarm power + outside cameras & NAS for image capture
- VDSL modem
- trading platform and basic wifi equipemnt
- central heating pump
- some external lights (just to show off to the neighbours ;-) i'm not in the dark

i have an VA (watt) meter, i received a couple years ago from the energy company
i will measure consumption on critical points
and try to size UPS equipment

i already noted
- green label for UPS (low energy consumption when grid is there
- quality of equipment (life cycle

Another value-for-money approach is to increase the capacity of an off-the-shelf UPS with a larger battery pack. UPS manufacturers charge an incredible amount of premium on their batteries themselves rather than the circuitry of the UPS. A common trick is to replace/supplement the batteries with car batteries, which have higher capacity per dollar.

There's a few guides online on this if you do a Google search and several articles have reported safely getting 1+ hour uptimes.

Disclaimer: Note that this trick has a limit, because prolonged hysteresis in the UPS transformer will eventually lead to overheating, and some UPS components are not thermally designed to be running for hours. Proceed with caution.


Big Mike View Post
I just purchased a whole house generator, Kohler 14kw, for $3500. And it will run your house as long as you keep it full of fuel (in my case, propane).

I personally think that a fuel-based generator is a dangerous fire hazard. A safer alternative is to use a nuclear reactor for your backup power, with U233 as a fissile fuel.

To keep a generator at 1.4 kW average load for an hour consumes/produces about 5.04 MJ (ignoring efficiency factor). The calorific value of petrol is about 94.0 MJ/m^3, which means you'll consume at least 13.2 gallons of petrol per hour. (Kohler's technical specs suggest a much larger number here: https://kohlerpower.com/en/residential/generators/common/pdf/g4209.pdf) I wouldn't leave so much petrol lying around in my garage in a naked storage tank!

There's also a few guides out there on building your own nuclear reactor, but here's important points that are usually missed:

- An incandescent gas mantle should carry about 0.2g of ThO2, which is ideal for neutron capture while remaining inert in room conditions.
- Moreover, the Th particle in ThO2 has a large neutron absorption cross-section, which makes life easy for you as you need not reduce it against pure calcium, since calcium has to be purified by electrolysis of molten calcium chloride. I estimate 0.2g of ThO2 should yield about 12.7 kWh of heat energy as a fissile fuel.
- There was one failed case where a high school student tried to reduce ThO2 against lithium - Li is a group I metal and so is less stable; I would recommend calcium and in either case, reduction of ThO2 is not necessary due to the neutron absorption cross-section of Th.
- Then, I recommend you use paraffin wax blocks for shielding against your neutron source. Neutrons are not deflected by electric fields and so pass through almost anything and are more hazardous than low (<5 MeV) and high-energy (>20 MeV) gamma radiation. Lead shielding is important for the later steps.
- You need an alpha particle emitter, e.g. americium (found in smoke detectors), put it together in a granular mixture with graphite (beryllium is preferred, but graphite is easier to obtain), will act as a reasonable neutron emission source.
- Subsequent, spontaneous emission in your thorium sample eliminates the need for the neutron source to breed U233.
- After this, the reactor design is pretty straightforward (closed-loop water heating).

It's much easier to store 0.2g of thorium dioxide, which will give you 9 hours of backup power, as compared to 119 gallons of petrol.

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 ratfink 
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rleplae View Post
Political 'green' parties in Belgium have over the last 10 years advocated alternative energy sources
combined with a gradual shut down of nuclear power.. very noble..
the only problem is, when it is cold, dark and no wind, there is no alternative energy
and as energy as electricity is not easy to store and replay .. there is an issue

It's 'solved' in our country as the financial houses got hold of the subsidy schemes. Now taxpayers have to pay the windfarms 3X-5X normal rate to keep them switched off at overload times...

It will still go dark and cold though, that's just a matter of time. Incompetence and entropy are hard task masters.

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 Big Mike 
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@artemiso my 14kw generator is propane, and I am building on 4 hectares, plenty of room to safely store the tank away from the house.

Cost of fuel here is dirt cheap.

Sent from my LG Optimus G Pro

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 lolu 
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ratfink View Post
It's 'solved' in our country as the financial houses got hold of the subsidy schemes. Now taxpayers have to pay the windfarms 3X-5X normal rate to keep them switched off at overload times...

It will still go dark and cold though, that's just a matter of time. Incompetence and entropy are hard task masters.

Our government just concluded the privatization of the power and energy sectors/industries a few months ago, this year. The sectors/industries had always been 100% under government ownership and control.

It seems unbelievable to note that within the past three weeks, the power supply from the national grid, in my country is nearly constant at 24/7. We still consider this as an amazement 'cos we had virtually consigned ourselves to a situation of helplessness. This new development should make my Inverter/Charger system serve me better during very few hours of blackouts, when they occur.

Lolu

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Big Mike View Post
@artemiso my 14kw generator is propane, and I am building on 4 hectares, plenty of room to safely store the tank away from the house.

Cost of fuel here is dirt cheap.

Sent from my LG Optimus G Pro

How does the generator kick in when your main power goes out?

Is there a way to route a power line from a redundant substation? That would sound easier in your situation.

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 Big Mike 
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artemiso View Post
How does the generator kick in when your main power goes out?

Is there a way to route a power line from a redundant substation? That would sound easier in your situation.

Yes it auto starts in 10 seconds.

I live in Ecuador not Manhattan so you really need a better understanding of third world country power conditions.

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 artemiso 
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Big Mike View Post
Yes it auto starts in 10 seconds.

I live in Ecuador not Manhattan so you really need a better understanding of third world country power conditions.

Sent from my LG Optimus G Pro

I see, it's good to hear that off-the-shelf generators have that functionality nowadays. Is there a point where your primary and secondary power sources are connected to an auto-transfer switch? Or do the UPSes just stall enough time for you so that you can shut down everything, then manually switch from primary power source input to generator input, before you reboot everything?

This relates back to @rleplae's initial question: I think that capacity and redundancy is overrated. I would rather the worst backup uptime for a single hardware component be only 3 minutes and have a <5 millisecond failover time, than have 24 hours of backup power but the failover time is anywhere from 10 seconds to several minutes (network re-negotiation takes a while even in a home with a Comcast gateway).

Ecuador appears to be an IAEA member state as well, so perhaps you could install a homebrew nuclear reactor to supply a permanent, single-phase power source.

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 Big Mike 
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artemiso View Post
I see, it's good to hear that off-the-shelf generators have that functionality nowadays. Is there a point where your primary and secondary power sources are connected to an auto-transfer switch? Or do the UPSes just stall enough time for you so that you can shut down everything, then manually switch from primary power source input to generator input, before you reboot everything?

This relates back to @rleplae's initial question: I think that capacity and redundancy is overrated. I would rather the worst backup uptime for a single hardware component be only 3 minutes and have a <5 millisecond failover time, than have 24 hours of backup power but the failover time is anywhere from 10 seconds to several minutes (network re-negotiation takes a while even in a home with a Comcast gateway).

Ecuador appears to be an IAEA member state as well, so perhaps you could install a homebrew nuclear reactor to supply a permanent, single-phase power source.

No need to shut anything down or reboot. That's the point.

It's a whole house generator wired into circuit breaker panel. UPS's keep things up for the 10 seconds it takes generator to kick on.

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 artemiso 
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No need to shut anything down or reboot. That's the point.

It's a whole house generator wired into circuit breaker panel. UPS's keep things up for the 10 seconds it takes generator to kick on.

Sent from my LG Optimus G Pro

Gotcha. That sounds reasonable if you have only a single mains power supply.

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 Fabrice33 
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artemiso View Post
Gotcha. That sounds reasonable if you have only a single mains power supply.

I recommend "eaton ellipse pro", u have to choose your power...
the "sell support" is very efficient, in France.
In usa, if it exists...
Fabrice from france

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 vk79 
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I am looking to buy UPS. I just would like to protect my Desktop Computers from any power surge. I have 2 desktop computers, 4 monitors, router and a modem.
How do I calculate the requirement? Appreciate any recommendations. I am leaning towards Cyber power based on the posts in the thread but not sure which one.

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 Big Mike 
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vk79 View Post
I am looking to buy UPS. I just would like to protect my Desktop Computers from any power surge. I have 2 desktop computers, 4 monitors, router and a modem.
How do I calculate the requirement? Appreciate any recommendations. I am leaning towards Cyber power based on the posts in the thread but not sure which one.

I would go with the CyberPower 1500. The cost difference over smaller capacity VA is negligible.

https://www.amazon.com/CyberPower-BRG1500AVRLCD-1500VA-Outlets-GENERATION/dp/B00LEFYISA/ref=sr_1_3?ie=UTF8&qid=1428157538&sr=8-3&keywords=cyberpower+1500

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 romus 
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Hi,

I am considering buying UPS as we started to have some blackouts (summer time - too many air cons on).
Blackouts time vary - so I think of having e.g. 2 units (one from PC and other devices are always connected and another one on the side, being charged "just in case").
Then if one shows that its time is running out, can I then plug it in to another, already charged unit?

Would this allow me to double the time of backing up?

Any Wiz on this?
All opinions appreciated.

Cheers,
romus

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 artemiso 
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romus View Post
Hi,

I am considering buying UPS as we started to have some blackouts (summer time - too many air cons on).
Blackouts time vary - so I think of having e.g. 2 units (one from PC and other devices are always connected and another one on the side, being charged "just in case").
Then if one shows that its time is running out, can I then plug it in to another, already charged unit?

Would this allow me to double the time of backing up?

Any Wiz on this?
All opinions appreciated.

Cheers,
romus

Yes, in theory you could achieve this with no downtime using an auto-transfer switch with two UPS inputs.

However, if your goal is to double the time of backing up, you are nearly always better off buying 1 single larger UPS with higher battery capacity.

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 romus 
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@artemiso,

Thank you for your advice.
I have bought 1200VA Cyberpower (preferred this one to EATON brand for better features).
One consideration was a potential noise from the UPS unit - hence consideration for smaller units.
Also, it is a bit bulky and heavy.
But - if you gotta have it you have to cope with it!

Cheers!

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 romus 
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UPS is up and running.
Charged, installed software, connected PC, modem and 2 monitors (just enough - 4 outlets at the back so it is a saving on extra powerboard cost - (just kidding)) and is using ~50W (my PC is a Barebone Gigabyte Brick hence power demand is minimal). Status monitor says it has remaining battery runtime of 59 minutes now.

And it is very quiet! :-)

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 xplorer 
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mastadee View Post
Trading office
My desk is a custom standing one as I like to alternate between sitting and standing. I have a 50 mega internet connection and use 2 batteries (1 for laptop charger and cable router and 1 for my 2 monitors). They give me plenty of time, about 1.5h, to close my trades if we have a power cut.

Hi mastadee - I've seen this post in your thread and I thought to ask you what UPS system you use?

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 rleplae 
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xplorer View Post
Hi mastadee - I've seen this post in your thread and I thought to ask you what UPS system you use?

I have an additional technical question :

50mbs is it copper lines (like telephone ADSL/VDSL ?)

the reason i'm asking, even if my system is equipped with UPS and i can run
for some time my trading operation, i have two internet connections with
two different technologies, because my cable connection dies when a
power cut happens (because the amplifiers in the streets are out of power)
while my ADSL line keeps working (it does not need power in the street
to keep functioning)

my cable connections is 100mbs while my ADSL is only 15mbs...

have you validated that ?

the bottom line is that in order to orderly shut down, it involves more than
the perimeter of my own office

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 ratfink 
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rleplae View Post
I have an additional technical question :

50mbs is it copper lines (like telephone ADSL/VDSL ?)

the reason i'm asking, even if my system is equipped with UPS and i can run
for some time my trading operation, i have two internet connections with
two different technologies, because my cable connection dies when a
power cut happens (because the amplifiers in the streets are out of power)
while my ADSL line keeps working (it does not need power in the street
to keep functioning)

my cable connections is 100mbs while my ADSL is only 15mbs...

have you validated that ?

the bottom line is that in order to orderly shut down, it involves more than
the perimeter of my own office

In good areas 50-60Mbs over copper is readily available as the copper only runs from the street box to the house and the exchange<->street box lines have now been duplicated with fibreoptics, just leaving voice on the old long wires.

That said I have also been impressed with recent 4G phone speeds, my iPhone 5 is now nearly 2X faster upload on 4G than home connection and not far off on download, so that is also a clear alternative backup if the area is alright.

Cheers

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 rleplae 
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ratfink View Post
In good areas 50-60Mbs over copper is readily available as the copper only runs from the street box to the house and the exchange<->street box lines have now been duplicated with fibreoptics, just leaving voice on the old long wires.

That said I have also been impressed with recent 4G phone speeds, my iPhone 5 is now nearly 2X faster upload on 4G than home connection and not far off on download, so that is also a clear alternative backup if the area is alright.

Cheers

The throughput on copper depends on the distance from the central phone building. Very quickly (> 5km) it drops to 15mbs, 50-60mbs will only be in city center at few km from the central switch...

I have also seen fiber coming, many countries have it, that will be better than the old copper.

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 ratfink 
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rleplae View Post
The throughput on copper depends on the distance from the central phone building. Very quickly (> 5km) it drops to 15mbs, 50-60mbs will only be in city center at few km from the central switch...

I have also seen fiber coming, many countries have it, that will be better than the old copper.

As I said, that is why they replace the copper link with fibre-optic links in parallel, from the central phone building to the street box. Then the last NN hundred yards just over copper to the house doesn't matter.

I have 50+ Mb, no problem, ping 12ms to London. I agree it is a problem for areas that have no parallel fibre installed.

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 rleplae 
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ratfink View Post
As I said, that is why they replace the copper link with fibre-optic links in parallel, from the central phone building to the street box. Then the last NN hundred yards just over copper to the house doesn't matter.

I have 50+ Mb, no problem, ping 12ms to London. I agree it is a problem for areas that have no parallel fibre installed.

Does that fiber then stop working if the power grid is down?
or do those streetboxes have batteries ?

i guess those are optocouplers that need power ?

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 ratfink 
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rleplae View Post
Does that fiber then stop working if the power grid is down?
or do those streetboxes have batteries ?

i guess those are optocouplers that need power ?

Of course, all is vulnerable at some level, hence the second alternative 4G backup, but then of course the tower masts can lose power too. Just depends how big the EOTWAWKI clouds get.

Cheers

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 rleplae 
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ratfink View Post
Of course, all is vulnerable at some level, hence the second alternative 4G backup, but then of course the tower masts can lose power too. Just depends how big the EOTWAWKI clouds get.

Cheers

Then my old slow ADSL is a better option as a backup to my fast cable connection ;-)

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 ratfink 
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rleplae View Post
Then my old slow ADSL is a better option as a backup to my fast cable connection ;-)

Yes, might well be the case. Digging around here they do take a local power feed for the new fibre parts and that has often been a source of delay for people being able to upgrade.

Cheers

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 mastadee 
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xplorer View Post
Hi mastadee - I've seen this post in your thread and I thought to ask you what UPS system you use?

Hi xplorer,

I have these ones here: Koblenz México - Modelo: 4816 R (Mexican version)

In the UK, I guess these would be equivalent: https://www.amazon.co.uk/dp/B00T7BYV6W?ref_=ams_ad_dp_asin_3

hope that helps, good thing is that I use a laptop and the wattage is really low, hence I can work like 1-2h without power as it also runs on it's battery plus the modem only consumes 8W and my 2 monitors each 25W. So if you experience power cuts then check your devices how much watts they consume and add it up. Then you can calculate what UPS you would need in order to give you enough time to close trades and so on. hope that helps

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 matthew28 
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xplorer View Post
Hi mastadee - I've seen this post in your thread and I thought to ask you what UPS system you use?

Seeing that Mastadee's answer related to Mexico, and as you also live in the UK, I bought this one a couple of years ago (when I was buying a new computer), and got it from these people:

https://www.criticalpowersupplies.co.uk/CyberPower-Intelligent-LCD-PFC-1300VA-UPS?gclid=CJKHsu2l77wCFU_KtAodnXYApQ

At the time they only had this 1300va model in stock as it was fairly new, I wanted the Sinewave technology, but now they have the smaller 900va model in stock too. If I was buying today I would probably get the smaller model. For reference the 1300va model gives me about 45 minutes of run time with charting packages open on an i7 350GHz quad with 16GB ram, an SSD and standard hard drive an okay graphics card and a couple of monitors. All of my computer stuff basically except for a laser printer which, because they have a very large power draw when they are switched on that can overwhelm a UPS; should not be plugged in to it.

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 xplorer 
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mastadee View Post
hope that helps, good thing is that I use a laptop and the wattage is really low, hence I can work like 1-2h without power as it also runs on it's battery plus the modem only consumes 8W and my 2 monitors each 25W. So if you experience power cuts then check your devices how much watts they consume and add it up. Then you can calculate what UPS you would need in order to give you enough time to close trades and so on. hope that helps

Thanks much mastadee - very helpful!

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bradhouser
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hedge905 View Post
Very important for the UPS to be an on-line model as there is no interruption delay when power goes off..they are more expensive and heavier. You can see the fan in the rear for cooling, plus they make a small amount of noise. A good make is APC, they also carry replacement batteries. Don't forget to plug a phone also in the UPS.

APC batteries are expensive. They use industry standard batteries. Compatible batteries can be bought on Amazon or eBay for much less. Look up the OEM part number here: APC Replacement Battery Cross Reference - Moyer Electronics

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