Fast and Safe Charging with Lithium Battery Management -- Fast and Safe Charging with Smart Lithium Battery Management ICBalanced Charge Extends Battery Life - Balance the characteristics of each cell in the pack and extend battery life through balanced chargingMultiple protections ensure safe use--provide multiple protection functions, including overcharge, overdischarge, short circuit and temperature protectionEquipped with aluminum fins to ensure fast heat dissipation -- equipped with thickened aluminum fins to achieve rapid heat dissipationMultiple tests to ensure high quality -- this product has passed load and burn-in tests to ensure qualityName: 20s lithium battery protection systemProtection functions: overcharge, overdischarge, overcurrent, temperature control, balanceUsing a single battery voltage: 3.7VContinuous current: 35A/40ACharging voltage: 55.25VOvercharge Protection:Detection voltage: 4.25V±0.05VDetection delay: 1sRelease voltage: 4.15V±0.05VOver discharge protection:Detection voltage: 2.7V±0.1VDetection delay: 1sRelease voltage: 3.0V±0.1VOvercurrent Protection:Detection voltage: continuous current * 2.5 timesDetection delay: 1sRelease condition: disconnect the loadVoltage equalization:Detection voltage: Greater than 4.18VRelease voltage: Less than 4.18VCurrent consumption: 30mA±5mAShort circuit protection:Trigger condition: external load short circuitDetection delay: 700usRelease condition: disconnect the loadTemperature control protection:Charging working temperature: -20Celsius-55CelsiusDischarge working temperature:ess than equal 70CelsiusRelease voltage: recovery within operating temperatureSelf-consumption:Working power consumption: 80uASleep/overdischarge power consumption: 30uAColour:blueMaterial:pvc+aluminumSize:96 x 63 x 12mmPackage Contents:1 x bms battery charging protection boardASleep/overdischarge power consumption: 30uAColour:blueMaterial:pvc+aluminumSize:96 x 63 x 12mmPackage Contents:1 x bms battery charging protection boardOnly 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.