bjm522
10 mW
Setup: 9c motor, infineon controller, cycle analyst, 48V16AH headway lifepo4.
Chain of events:
Break fork because i'm a heavy dude
bike sits 2 months while waiting for money for new fork, installed.
won't hold charge/stay on, find one dead cell (0 volts), rest of the pack has consistent voltage.
order new cell, charge to same voltage as rest of pack.
charge pack overnight on 15minute cycle wall timer. (always worked before, going to do the transistor modification to charger soon)
go on ride, dies after a mile.
check voltages, all at 3.35V, except one at 3.34V.
I would appreciate any procedure suggestions to help me diagnose the problem. ideas so far:
ride again without charging, then with charging, watch for voltage at which it cuts out
obtain 16ch DAQ module and gorilla tape laptop to bike to monitor individual cell voltages at cutout (overkill but possible, any ideas for something smaller?)
Thanks
Chain of events:
Break fork because i'm a heavy dude
bike sits 2 months while waiting for money for new fork, installed.
won't hold charge/stay on, find one dead cell (0 volts), rest of the pack has consistent voltage.
order new cell, charge to same voltage as rest of pack.
charge pack overnight on 15minute cycle wall timer. (always worked before, going to do the transistor modification to charger soon)
go on ride, dies after a mile.
check voltages, all at 3.35V, except one at 3.34V.
I would appreciate any procedure suggestions to help me diagnose the problem. ideas so far:
ride again without charging, then with charging, watch for voltage at which it cuts out
obtain 16ch DAQ module and gorilla tape laptop to bike to monitor individual cell voltages at cutout (overkill but possible, any ideas for something smaller?)
Thanks