Spare Battery

Jeff G

Just Joined
Feb 1, 2024
3
0
Hello I wonder if you can help with the following battery problem.
I have a Battery Pack 36v 15.6 Amp Hour, which would not work I checked all the battery packs and they appeared OK so I bought a new Battery Management System for it soldered it in and tried it out it runs great on my folder bike, but the problem is when I try to charge it, it’s reading full on my charger when I have checked the voltage across the charger input connectors it is reading 36 volts even though I know the battery is only half full as I have ridden 20 miles, my other battery that I normally use is 36v 10 Ah it reads 3.6v across the charger port I have checked and appears to be wired correctly, I could not find an exact match for BMS that was originally on the pack, but picked a compatible one. Do you have any ideas? It is a FreeGo Battery.
 

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