18V or 21V electric drill and wrench li-ion 18650 battery PCB board and Protection circuit with DC input Port – LLT POWER ELECTRONIC
4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V With Balance For Drill Motor at Rs 230/piece | BMS Circuit Board in Mumbai | ID: 23594244273
3s Bms Li-ion 12.6v 18650 Hand Electric Drill Pcb With Battery Storage Case Box Hand Drill Kit Accessories Electric Screwdriver - Battery Accessories & Charger Accessories - AliExpress
Li-ion Li-po 22.2V 25.2V 6S BMS PCB Battery Protection Board 18650 Lithium ion 15A high drain current solar Drill DIY | Shopee Malaysia