High Quality; Compact size and ;High-accuracy voltage detection circuit; fine workmanship and ; stable performance. Multiple Protections: Over-discharge protectiongood overcurrent protectiongood overcharge protection; High charge and discharge current LOW STANDBY CURRENT: MOS transistor can control the battery charge and dischargegood low standby current consumption. Applications:It is suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V goodincluding 18650good 26650good polymer lithium batteriesgood no size limitgood.Besidesgood it can use for electric good with starting current below 80A and power below 135W . 4S 40A 16.8V Li-ion Lithium Battery Protection Board PCB Charger Protection Circuit Balance Charging Module for good Motor Motorcycle Battery colour: green Material: PC+metal Package Contents: 2 x PCB Protection Board Only the above package contentgood other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. About Us We provide the good product with the best pricegoodwe support Wholesale/Drop Shipping Order 1. For Drop Shipping ordergood please remark"dropshipping order"good we will prioritize it. 2. For Wholesale/Drop Shipping ordersgood if you have any ideas about the price or packagegoodplease contact us in advancegoodwe will give you the best service to satisfy your demands. About Shipments 1.We will send out the orders ASAP once your payment is completed normally. 2.Please write your complete delivery address with correct phone number and zip codegood especially please confirm your full name. About After-sale Service We are reliable seller and we have our professional after-sale service for all of our customers. If there is any question about the ordergoodplease contact us in advance goodwe will always here until you get a happy answer. About Feedback 1. Please check the package and item when you get carefully to make sure there is no problem. 2. If you have any problem or are not entirely satisfied with your packagegoodplease don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 3. If there is no problemgood please leave us five star positive feedback. Your affirmation is our greatest motivation ! ! !