13 cell battery balance for e-bike battery

For some reason the manufacturer of the battery on my e-bike left off the balancer circuit - so I developed this as a direct fit PCB to balance the cells of the battery (13 lots of 6 x 18650 cells in parrallel, wired in series to form a 48V 12Ah e-bike battery) - works perfectly.

Aug 19,2025
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PCB
HDI PCB
Assembly
FPC/
Rigid-Flex
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2 Layers
1.6mm
CNC
Machining
Sheet Metal
3D Printing
Injection
Molding
Aluminum
Aluminum
Resin
ABS
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