YONHAN 20 Amp Car Battery Charger, 12V/24V Smart Automatic Battery 7-Stage Charging

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YONHAN 20 Amp Car Battery Charger: amzn.to/3QRNSBW
12V/24V Smart Automatic Battery Automotive 7-Stage Charging Battery Maintainer with Pulse Repair Function, Lifepo4 Trickle Charger
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[@jeffreyjitterbug]

Mine says it is charging at 2.5 amps and battery is only at 50%! WTF

[@ViktorViktorViktorViktorVik]

How is it?

[@dannythebeerman]

have you repaired any really old batteries with a bad cell or 2?

[@arbit3r]

You cant repair bad cells.