4.2V 4400mAh 4 x 18650 Li-ion Battery Pack for Bicycle Headlamp

Battery Brand Name:N/A; Battery Model No:4 x 18650 battery pack; Cell type:Li-ion; Capacity (mAh):4400; Voltage (V):3.7-4.2; Dimensions (cm):6.7x 3.7 x 3.7 ; Weight (kg):0.182; Units Per Box:1; Rechargeable:Yes; With Charger:No; Charger Input Voltage (V):AC 100-240