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This product is a battery protection BMS board which is designed for 7series lithium batteries. It can be used for ternary lithium batteries, manganese acid lithium batteries, cobalt acid lithium batteries and LiFePO4 batteries. And the board is equipped with multiple protective functions including overcharge protection, overdischarge protection, overcurrent protection and short circuit protection, so you can use it safely. Specifications: Protection: Polymer/Terpolymer/Lithium Manganate LiFePO4 Overcharge Protection Delay: 1000ms±l00ms Over-discharge Protection Delay: 100ms±10ms Discharge Over-current Protection: 60A±5A Discharge Over-current Delay: 200ms±20ms Short Circuit Protection: Yes Short Circuit Delay: 200uS±20uS Short Circuit Protection Recovery: Disconnect Load Release Charge Current: 5A(adjustable) Equilibrium Function: Yes Equilibrium Current: 50~60mA Equilibrium Accuracy: ±25mV Polymer/Terpolymer/Lithium Manganate: Single Battery Overcharge Protection Voltage: 4.25V±0.025V Single Battery Overcharge Protection Recovery Voltage: 4.050V±0.025V Single Battery Over-discharge Protection Voltage: 2.75±0.025V Single Battery Over-discharge Protection Recovery Voltage: 3.00V±0.025V LiFePO4 Single Battery Overcharge Protection Voltage: 3.75V±0.025V Single Battery Overcharge Protection Recovery Voltage: 3.60V±0.025V Single Battery Over-discharge Protection Voltage: 2.10V±0.025V Single Battery Over-discharge Protection Recovery Voltage: 2.30V±0.025V Size: 65×33×7mm / 2.56×1.3×0.27" Wire Length: 350mm / 13.77" Package Includes: 1×7S Lithium Battery Protection Board