14500 lithium flashlight batteries offering 800mAh of power. These protected rechargeable lithium ion batteries are ideal for use in flashlights and provide many more recharging life cycles than many other batteries. Features and Benefits: • Integrated PCB Protection • Lithium Ion 14500 cylindrical rechargeable batteries for flashlights • Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V • Higher energy density and lower weight than other types rechargeable batteries Battery Specifications: • Capacity: Nominal&: 800mAh, Minimum: 750mAh • Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V • Nominal Voltage: Average 3.7V • Cut-off Voltage: 2.5V • Cycle Performance: 90% of initial capacity at 400 cycles • Cycle life: > 500 cycles • Dimensions: Dia 14mm, Length 53mm (D x H)