smallexis Posted January 15, 2020 Share Posted January 15, 2020 Hi the community, This is the BMS from an old S300 (16s lifepo4 cells). Cells are dead and I want to replace this battery by a new li-ion battery (14s with it's own BMS). But the S300 will not start as this wire (at SIN place on original BMS) is not link to the motherboard with the new battery. Does somebody know what the function of this wire is? How can I link it on a generic BMS, if it's possible? Many thanks in advance. Quote Link to comment Share on other sites More sharing options...
RockyTop Posted January 15, 2020 Share Posted January 15, 2020 (edited) What does it say? Just from working on boards in general GIN is ground in VIN is positive voltage in Edited January 15, 2020 by RockyTop 1 Quote Link to comment Share on other sites More sharing options...
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