Features 1、Protection circuit board is the heart of battery pack, must to have to avoid battery pack from explosion, fire and damage 2、It will protect battery pack from overcharging, over-discharging over-current and short circuit 3、With equilibrium function to keep each cell in balance and good service life 4、Used for 3 series 12V LiFePO4 batteries, comes with 4P‑400mm wires 5、Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries Specification Features: Protection circuit board is the heart of battery pack, must to have to avoid battery pack from explosion, fire and damage. It will protect battery pack from overcharging, over-discharging over-current and short circuit. With equilibrium function to keep each cell in balance and good service life. Used for 3 series 12V LiFePO4 batteries, comes with 4P-400mm wire. Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries. Specifications: Discharge Continuous Discharging Current 100(MAX) A Instantaneous Discharge Current 150 A Charge 12.6 V Charging Current 10(MAX) A Overcharge Protect Over-charge Detect 4.28±0.05 V Protect Delay 0.5 S Over-charge release 4.08±0.1 V Balance 4.20±0.05 V 4.20±0.05 V Balance Current 42±5 mA Over-discharge Protect Over-discharge Detect 2.8±0.1 V Over-discharge Detect delay 0.1 S 3.0±0.1 V Over-current Protect 150 mV Detect Delay 9 mS Current Detect 200±10 A Release Condition Cut Load Short-circuit Protect Protect Condition Load Short Circuit Detect Delay 250 uS Release Condition Cut Load Temperature Protect / / ℃ Resistance Inner ≤25 mΩ Self-Consumption Working Current ≤20 uA Sleep Current (when Over-discharge) ≤10 uA Working Temperature Range -30/+80 ℃ Size: 70*51.5*10mm / 2.75*2.02*0.39" Package Includes: 1 x Battery Protection Board Package List