3.7V 4000mAh 14.8Wh Li Battery 805080 LiPo 3-Wires NTC Thermistor For e-book GPS
The white wire for thermistor ! Standard Capacity : 3.7v 4000mAh 14.8Wh. Built-in protection circuit PCB for prevent over charging or over discharging. battery Size ： 8mm(thick) × 50mm (width) × 80mm(length).