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new to APC UPS system - battery question

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

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new to APC UPS system - battery question

This was originally posted on APC forums on 10/24/2012


Hi everyone 🙂

I recently bought an UPS system (model Back UPS pro 900), and after having read the manual, I have a small question :

Do I have to empty the battery 2/3 times as we do with phones or laptops ? Or isn't it necessary ?

Thanks in advance for your answer 🙂

Grégoire M.

PS : sorry if my English seems bad sometimes ^^


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BillP
Administrator Administrator
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Re: new to APC UPS system - battery question

This reply was originally posted by Joe on APC forums on 10/27/2012


Hi, I think the OP is referring to what is recommended to be done with a new lithium ion (LiOn) chemistry battery. The recommendations are to charge then fully discharge the battery up to four times before the battery will achieve its maximum capacity. I am assuming that his UPS has lead-acid (AGM, etc.) batteries and that it is not recommended to charge then fully discharge the batteries at all.

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BillP
Administrator Administrator
Administrator
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Re: new to APC UPS system - battery question

This reply was originally posted by Chris on APC forums on 10/25/2012


I'm not sure what you mean by empty the battery. If you're asking if you need to discharge the battery to get an accurate runtime, then no you do not. If your runtime is not accurate based on your load, then that may be a test we would recommend. For example, if you're supposed to get 30 mins and you have 8, it may need to be done. If you can provide your load percentage,runtime and full model number, I can help you figure out what you're runtime should be.

BillP
Administrator Administrator
Administrator
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53

Re: new to APC UPS system - battery question

This reply was originally posted by Joe on APC forums on 10/27/2012


Hi, I think the OP is referring to what is recommended to be done with a new lithium ion (LiOn) chemistry battery. The recommendations are to charge then fully discharge the battery up to four times before the battery will achieve its maximum capacity. I am assuming that his UPS has lead-acid (AGM, etc.) batteries and that it is not recommended to charge then fully discharge the batteries at all.