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by gordyn
Wed Sep 01, 2010 6:47 pm
Forum: General Discussion
Topic: Cell phone batteries for projects
Replies: 1
Views: 612

Cell phone batteries for projects

I recently picked up some Motorola BT50 3.7V li-ion packs for various applications and was wondering if anyone has had experience repurposing cell batteries. After disassembling one pack I noted the charging circuit contained within each however was puzzled by what appeared to be 4 contacts on the e...