Expired UPS batteries 12V-7.2 Ah

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Bernard

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With Eskom's failures I've discovered that the UPS for the kid's PC was not working. On thinking back I guess the batteries are about 5 years old. Bought new ones for them yesterday, installed them and now they're charging. All LEDs look good  :thumbs:

The 4 that came out have voltages of :

11.42v
12.40v
12.56v
13.10v

I gues the system failed due to the 11.42v battery ? The system runs on 48v.

At what point do I discard them ? The 13.10v I can keep to charge cell phones etc during  load shedding or camping etc.

I was also thinking of opening them and burying the acid and recovering the lead. I have a few other batteries here where I want to get the lead as well.

Comments  :thinking:
 

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