Features： 1、Basic Specifications: This is a 4S 3.2V for LifePo4 protection board, which is practical 2、Protection Function: The protection board has overcharge protection, overdischarge protection, overcurrent, short circuit protection 3、Alloy+PCB: This is a protection board made of high quality alloy+PCB material, which is durable 4、Application: Very suitable for home DIY work and school science projects, widely used in battery protection work 5、Easy to Use: This is an easy to use protection board, which with a long service life Specification： Item Type: 4S Protection Board Material: Alloy+PCB Charging Voltage: 14.6V Charging Current: 50-150A Single Cell Balance Current: 0.07A Single Battery Consumption: 25uA Single Cell Balance Voltage: 3.6V Instantaneous Current: 300-900A Recovery Voltage: Single battery 3.0V (With Automatic) Overcharge Protection: Single 3.65V Protection Delay: 2 Seconds Balance Voltage: 3.5V Single Cell Balance Current: 0.07A Switch Control: Off State, Power off, Power on and Recovery Overcharge Protection, Overdischarge Protection, Overcurrent Protection Over Discharge Protection: 2.5V Over Temperature Protection: 75℃ Package List： 1 x Cable Protection Board 1 x Yellow Pad