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I have an over-discharged 12V battery that won't charge above 10.2V using its included charger. Its a sealed battery so I don't have access to individual cells. I have read some posts about potentially using a bench power supply to revive an over-discharged battery but nothing comprehensive and...

I've been searching for a reasonably priced charger for my 100Ah Lifepo4 battery. I would love to find one that is 20+Amps but I can make do with a 10A charger. Any suggestions? I live in Canada.

The manufacturer claims the battery has a BMS with "over-charge and over-discharge protection". I connected a 15A load when the battery was at 13.3V. I expected it to turn off automatically at around no-load 10V. It kept discharging until I removed the load and checked the no-load voltage at...