ON THE WAY4 Pcs 16340 2000mah Li-ion 3.7V Rechargeable Battery with Dual Double Channel Cordless 16340 Battery Charger 100% brand new 3.7V 2000mAh rechargeable batteries Model: 16340 ( Can replace for CR123, CR17345, K123A, VL123A, DL123A,5018LC, SF123A and EL123AP ) Protective circuit inside: protect from overcharging Built in Cable Stripper with stop to ensure correct Perfect for Flashlight, Photo camera, Warm tips: Before purchase, please make sure the battery voltage corresponds with voltage mark on your device