EZGO 1995 Medalist New Lithium 12V Batteries

Rdwinter01

New Member
I have purchased and installed 3 new lithium 12V batteries in my EZGO. Runs fine until I go up a steep hill ant then all power cuts out, when I check the voltage on each battery first two inline with the positive checked out at 13.5 and the last one checked out at -24.5. I have to unhook the ground and reattach and then it will start up again. Just wondering if this could bee the speed controller or 1 bad battery?
 
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