ADOPTS WITH LITHIUM CELL MANAGEMENT OFFERS FAST AND SAFE CHARGING-Adopt intelligent lithium cell management IC for fast and safe charging BALANCING CHARGING EXTENDS BATTERY LIFE-With balance charging to balance the characteristic of each battery in battery pack and prolong battery life MULTI-OVER PROTECTION ENSURES SAFETY USE-Provide a variety of protection functions including overcharge, over-discharge, short circuit, and temperature protection EQUIPPED WITH FIN ENSURES QUICK HEAT DISSIPATION-Equipped with thickened aluminum fin to achieve quick heat dissipation MANY TIMES TESTING ENSURES HIGH QUALITY-This product has gone through load and aging test for quality assurance Single-cell battery over-discharge voltage: 2.7v±0.08v Continuous working current: 25A Instantaneous protection current: 60A Overcurrent recovery conditions: load recovery or load disconnection Short circuit recovery conditions: load recovery or load disconnection Single-cell battery overcharge voltage: 4.25v±0.025v Continuous charging current: 20A Load balancing voltage: 4.15v±0.025v Load balancing current: 40ma Charger voltage: 30v (recommended) Charging over temperature protection: 50℃ Discharge over-temperature protection: 70℃ Working power consumption: 3030ua Main circuit on-resistance: less than equal 20mΩ Temperature range: -40 to 80°C Disconnection protection: yes style: 7 strings of 30A with balanced protection board Line length: 40cm size:60x33x10mm Material:ABS+Metal colour:Silver Package Contents: 1 * bms battery charging protection board