Excellent technology, stable heat dissipation. Overvoltage protection, over-discharge protection. Integrated solution, charging protection. Short circuit protection, overcurrent protection. Made from high-quality material, durable. Type: 4S 8A 14.8V Connection Method: Common Port Single Battery Over-discharge Voltage: 2.7V ± 0.08V Continuous Working Current: 8A Instantaneous Protection Current: 20A Overcurrent Recovery Condition: Load recovery or load disconnection Short Circuit Recovery Condition: Load recovery or load disconnection Single Cell Overcharge Voltage: 4.25V ± 0.025V Continuous Charging Current: 6A Charging Overcurrent Protection: 10A Charging Voltage: 16.8V (Recommended) Charging Over-temperature Protection: 60℃ Discharge Over-temperature Protection: 80℃ Operating Current Consumption: ≤ 20uA Main Circuit On-Resistance: ≤ 15mΩ Temperature Range: -40~80℃ Disconnect Protection: Yes Appearance Size: 34x34x3.2MM Material: PCB Color: Green Package Contents: 1 x Lithium Battery Charging Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.