Connects to the negative terminal of your charger. On "same port" versions, C- and P- are combined.
for public use. Full circuit schematics are typically proprietary and restricted to authorized technicians. bm5291 ver 13 schematic free
If you run a repair business, consider purchasing a subscription to a schematic service like or EServiceInfo to ensure legality and quality. Connects to the negative terminal of your charger
Always double-check your sense wire order with a multimeter before plugging the connector into the BMS. One misaligned wire can fry the BM5291 chip instantly! S-8252 Series BATTERY PROTECTION IC - ABLIC Inc. bm5291 ver 13 schematic free
BM5291 VER 1.3 refers to the motherboard identification for the Lenovo IdeaPad S215
: Platforms like Scribd often have user-uploaded diagrams for boards like the BM5138 or BM5291.