ON THE WAY10Pcs True Capacity 2000mAh 3.7V Battery Lithium-ion Battery and Dual Slot Battery Universal Charger for Electronic Devices Long cycle life, more than 500 charge/discharge cycles under normal use No memory effect, built-In Overcharge Protection. Battery Model : 16340( Replace for CR123A, , K123A, VL123A, DL123A, SF123A 123A ) AC/DC Charger Features: Universal 110-240V usage, perfect for Home, Travel, Boat, ATV, Vehicles and Planes. Handling performance, maintenance-free and wide application for flashlight/photo camera/headlamps/laptop/electric toys/industrial instruments,etc.