3.7V 4000mAh 14.8Wh Rechargeable Li-Polymer Li Battery 3-Wires Thermistor 606090
Size code : PL 606090. this battery with 3 wires (red / black / white). white wire for thermistor. Standard Capacity : 3.7 4000mAh 14.8Wh. Built-in protection circuit PCB for prevent over charging or over discharging.