2 Ups for Better support

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kazimurtaza

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Sep 9, 2013
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Hello, I live in Pakistan, and here we suffer from very long load shedding.. means no light for 2 3 hours couple of times in a day... so long ago i bought 1kva ups local made inventor with dry battery... but now i have 3 systems running and 2 led(23') and 1 lcd(40').. now whenever the electricity goes, my systems restart.. i guess i must be on full load .. but ups does survive 2 3 hours if only 2 systems are up ... now i hoping to save my one pc from fluctuations when light goes and comes by putting in a 650va ups in between the big ups and the system .. is that wise ??
 
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RealBeast
With most UPS units (that don't have the newest slide in pack type battery) you can add a few more batteries wired in parallel. I've even seen a few people substitute a small sealed car battery in 12V UPS units. I have one old APC 12V unit with three high amp hour generic replacement batteries in parallel that will run for many hours. Use all the same type of batteries -- no mixing different chemistries. HERE is a diagram.
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RealBeast

RealBeast

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Sep 13, 2010
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With most UPS units (that don't have the newest slide in pack type battery) you can add a few more batteries wired in parallel. I've even seen a few people substitute a small sealed car battery in 12V UPS units. I have one old APC 12V unit with three high amp hour generic replacement batteries in parallel that will run for many hours. Use all the same type of batteries -- no mixing different chemistries. HERE is a diagram.
 
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