NiMH cell replacement in a pack

Golyo

100 mW
Joined
Oct 6, 2015
Messages
42
Location
Budapest, Hungary, Europe
I have a used ebike with NiMH battery. After taking the battery apart I found a bad cell (0V) in the 20 cell battery, the rest is at 1.23V. What are the rules for changing one cell in a NiMH pack? There is no BMS so I guess the new one should be a higher capacity cell than the rest and I am safe. The bike is in very good condition, so I am hoping that the only problem is this one cell, but I can change the whole pack to LiIon if this replacement business fails.
Any help would be appreciated.
 
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