Light Weight 5S 21V BMS 18650 Board Adapter Charging Protection Circuit Board Easy to Install _x000D_ _x000D_ _x000D_ Light Weight 5S 21V BMS 18650 Battery Board Adapter Charging Protection Circuit Board Easy to Install DXAC _x000D_ _x000D_ OOTDTY _x000D_ _x000D_ Features: new and high quality _x000D_ Over current protection: 50/55/60 A. _x000D_ Over current protection delay: 20/25/30mS. _x000D_ Single section since the power consumption: 30uA. _x000D_ Single section between the power consumption: 3uA. _x000D_ Single section over charge detection voltage: 4.18- /4.22V. _x000D_ Over charge recovery voltage 4.05- 4.15 V. _x000D_ Over charge detection delay: 0.5/1.0/2.0S. _x000D_ Single section over discharge detection voltage: 2.75-2.85 V. _x000D_ Over discharge recovery voltage: 2.90-3.20 V. _x000D_ Over discharge detection delay: 0.5-2.0S. _x000D_ _x000D_ Specification: Material:PCB _x000D_ Size:Approx.58x54mm/2.28x2.13in _x000D_ Rated Voltage:3.7V _x000D_ Net Weight:20g _x000D_ _x000D_ Package Includes: 1x Battery Protection Board _x000D_ _x000D_ note: Please allow 1mm errors due to manual measurement. _x000D_ Due to the difference between different monitors, the picture may not reflect the actual color of the item. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_