ON THE WAY&reg;4 Pack 1200mAh Rechargeable 16340 3.7v Battery + Dual Charger Capacity: 1200 mAh; Voltage: 3.7V Recharge: up to 1000 cycles Protective circuit inside: protect from overcharging Suit for Flashlight, Photo camera, Toys etc. 1200mAh 16340 3.7V rechargeable batteries, 4 pieces a pack