3 types: 1PC positive shrapnel, 1PC negative shrapnel, positive shrapnel & negative shrapnel. 1 x Negative shrapnel (PC). 1 x Positive shrapnel (PC). JK BMS 40-300A Active Balance Bms 4S 8S 16S 20S 24S Smart Bms Lifepo4 Li-Ion lot.
eBay