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by justsomehnguy
1455 days ago
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I still have my lead acid batter in my UPS from... 2016? I'm not even sure when I got it. With lithium I need to know when I got it, did it run in non-ideal lithium conditions (-20^C? No go. +34^C? No go), and the most importantly - in three years I need to replace a Li battery, but with a lead battery and a non-online UPS I can have from 3 to 10 years of lifetime from it. |
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