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Do you just reuse the battery management system (bms) that’s already in the cell?


It is a single-cell battery so no onboard bms would typically be present - a look at the terminals confirms this. The charge and protection logic is built into the device which charges the battery itself.

edit: http://forums.sonyinsider.com/topic/29187-lip-4wm-battery-re...

A review of the original pack teardown reveals it has a small pcb with what looks like some voltage cutoff or thermal fuse.


No the batteries he's referring to (4-6 cell LiPo's) don't have any electronics in them. They are as bare bones as you can get for the racing factor (lightweight and more capacity).




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