20X lithium battery protection board. Single protection plate size: 28mm 3.8mm;. Just follow the Guest Checkout instructions.
20PC 1S Lithium Battery Protection Board with High Precision Voltage Detection
3S 12V Lithium Battery Protection Board 25A Lithium Battery Protection Board@
Lithium Battery Protection Board PCB Stable Circuits Protection Board Tool UK
4S 30A 14.8V Lithium Battery Protection Board For High Current Protection UK
Battery Charging Protection Circuit Board Repair over Discharge Protection
3S 12V 40A Lithium Battery Protection Board PCB Board With Balance Charging♬