Fast and Safe Charging with Lithium Battery Management -- Fast and Safe Charging with Smart Lithium Battery Management IC     Balanced Charge Extends Battery Life - Balance the characteristics of each cell in the pack and extend battery life through balanced charging     Multiple protections ensure safe use--provide multiple protection functions, including overcharge, overdischarge, short circuit and temperature protection     Equipped with aluminum fins to ensure fast heat dissipation -- equipped with thickened aluminum fins to achieve rapid heat dissipation     Multiple tests to ensure high quality -- this product has passed load and burn-in tests to ensure quality     Name: 17s lithium battery protection system     Protection functions: overcharge, overdischarge, overcurrent, temperature control, balance     Using a single battery voltage: 3.7V     Continuous current: 60A / 80A     Charging voltage: 55.25V     Overcharge Protection:     Detection voltage: 4.25V±0.05V     Detection delay: 1s     Release voltage: 4.15V±0.05V     Over discharge protection:     Detection voltage: 2.7V±0.1V     Detection delay: 1s     Release voltage: 3.0V±0.1V     Overcurrent Protection:     Detection voltage: continuous current * 2.5 times     Detection delay: 1s     Release condition: disconnect the load     Voltage equalization:     Detection voltage: more than the 4.18V     Release voltage: less than 4.18V     Current consumption: 30mA±5mA     Short circuit protection:     Trigger condition: external load short circuit     Detection delay: 700us     Release condition: disconnect the load     Temperature control protection:     Charging working temperature: -20 Celsius~55 Celsius     Discharge working temperature: ≤70 Celsius     Release voltage: recovery within operating temperature     Self-consumption:     Working power consumption: 80uA     Sleep/overdischarge power consumption: 30uA     Colour:blue     Material:pvc+aluminum     Size:96 x 63 x 12mm          Package Contents:     1 * bms battery charging protection boardeep/overdischarge power consumption: 30uA     Colour:blue     Material:pvc+aluminum     Size:96 x 63 x 12mm          Package Contents:     1 * bms battery charging protection board          Only the above package content, other products are not included.     Note: Light shooting 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.