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--- systems:battery [2016/09/13 00:40] – superwizard
+++ systems:battery [2017/08/28 17:51] – [UPS Battery] superwizard
@@ Line 5: / Line 5: @@
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+UB1290 9AH version of "APC" RBC2
 . So whenever I remove multiple old batteries from a UPS, the first thing I do is
 shake them individually. If they rattle, they’re dead. Go ahead and toss recycle them (in fact,
@@ Line 11: / Line 14: @@
 car charger will do – car batteries are also 12 volts). If my charger doesn’t light up, it means
 the battery’s posts aren’t connected internally, and so the battery is dead.
-. If the charger’s lights rapidly switch between “fully charged” and “charging,” then something’s wonky inside the battery, and it’s dead.
+. If the charger’s lights rapidly switch between “fully charged” and “charging,” then something’s
+wonky inside the battery, and it’s dead.
 . But if it charges, and stays charged, put it in the “good” pile.
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@@ Line 17: / Line 21: @@
 ====== UPS Battery ======
+From: http://www.expertpower.us/EXP1290-12-Volt-9-Amp-Rechargeable-Battery
+<code>
+-08-28
+Start using and monitoring quality of Expert batteries. Switched from SigmasTek at batterysharks to test longivety.
+</code>
 From: http://www.batterysharks.com/
 <code>
+Been using for some time RBC2 replacement; batteries do not last very long and Batterysharks says if voltage of battery is above 11 then battery is good. I dissagree. Switched to 9 Hr batteries in hopes to get more longevity.
 </code>