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I have an att uverse hook up (tv 675 watts, a power box att.,what cyber do I need for a power outage of 1 hour? I also have att uverse with tv 123 watts, power box, and a gatewas to my computers what do I need for that one?

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  • jack leslie Aug 24, 2010

    I repeat what cyber ups do I need ??? the number please

  • jack leslie Aug 25, 2010

    is there something wrong with my question that all these experts can't understand? Which cyberpower ups battery do I need for a 675 watt tv and which do i need for 123 watt tv for one hour back up of power outage. they are not connected, seperate rooms. example I have a cyberpower ups no. 375 SL and an APC BE550G

  • jack leslie Aug 25, 2010

    thank you now I know which to order. you gave me what I asked for and not a bunch of numbers.

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Most UPS can only have a limit of about seven ( 7 )

to twelve ( 12 ) minutes, depending on the " Load.".


• If you intend to use it for more than the specifications then

may need to :

a ) add additional battery ( with higher capacity )

b ) Modify or add additional automatic chargers.

( for the new battery that are to be added )


Here are the units :

OL3000RMXL2U
http://www.cyberpowersystems.com/products/ups-systems/smart-app-ups/paragon-series/OL3000RMXL2U.html



OL2000RMXL2U
http://www.cyberpowersystems.com/products/ups-systems/smart-app-ups/paragon-series/OL2000RMXL2U.html


or other brand of Inverter which can supply a Max of 2000 watts.

or more

plus a large 12V or 24V automotive battery

plus an automatic charger

Posted on Aug 26, 2010

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There isn't one large enough to handle even the smaller tv for an hour.  At best you can get about 5 minutes.
For the big tv - CP1350AVRLCD
For the small tv - CP685AVRLCD
If you really need an hour of backup  power then you need to modify yourself the units - just open their cases and attach to their original lead-acid battery a big, deep-cycle 100Ah battery.

Posted on Aug 25, 2010

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Ok well usually there is a simple formula to work this all out. We do that by figuring out how many Kilowatt Hours of use we need to be protected for.
In your case, together, you have 675 Watts, + 123 Watts = 798 Watts. Well the best case for you will then be for a One Kilowatt/Hour Inverter. To power them all.
675KW/H & 0.123Kilowatt/Hour, to have enough "headroom" a One Kiowatt Hour unit will suffice.
Divided up, A One Kilowatt unit for the TV.
Another 1/4 kilowatt, or 250 Watt unit, for the other unit.
However there is NO reason why they cannot ALL work from one central unit.
The UP time is simply dependent upon the capacity of the backup batteries. These need to be again worked out by how long you expect to use it.
You would need at least 100 AMP/HOUR of battery, @ 12 V DC, of, power to last the distance.
Hope this helps.

Posted on Aug 25, 2010

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I understand that you require an uninterupted power supply (UPS) for your equipments. Looking at the power requirements of your equipments, I would recommend a UPS of capacity 2KVA for delivering safe power.
You will require a battery of capacity 100AH to deliver the said load for about 2-3 hours. It is always better to take a calculation that is higher in value so that the demands are met easily.
Even a 80 AH battery would be enough but I suggest you can check the cost and decide so that you get the extra time in case of an emergency.
You must check on the make/ models of UPS available in your area and estimate the cost.Please evaluate the installtion which can be done easily.
I hope my advice helps..

Posted on Aug 24, 2010

  • Donald DCruz
    Donald DCruz Aug 25, 2010

    for the 675 you might need a 80 Ah and for the 123 you might need a 40Ah.

    But it would be wise to have one unit and connect with a wiring change.If possible with a larger unit the LT house circuit can be connected.

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