Question about APC Back-UPS ES 350 - UPS ( external ) - 350 VA - UPS battery lead acid - 6 output connector(s) (NEWITEM13161548) UPS System
I cant charge mine. it keeps making a really anoying beep noise.
Please check user manual it should be battery/ups failure
Posted on Jul 05, 2012
Two possibilities come to mind. 1) The battery has failed and can't be charged fully (usually one cell fails and it won't charge fully). I've diagnosed this by removing the battery and trying to charge it with a variable power supply. You can try replacing the battery.
2) The UPS itself is faulty and can't charge/maintain the battery. The entire unit should be replaced.
I recommend solution 2. I had the 725VA in this consumer UPS line and when I replaced the battery, the UPS could not keep the battery charged with any load on the unit.
Check your warranty, though. The APC warranty is for 2 years on this model.
I hope this helps.
Posted on Jun 02, 2010
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Posted on Jan 02, 2017
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