Intsun 2pcs 3.7V 18650 3400mah Rechargeable Li-ion Battery with PCB and 18650 battery Charger for LED Flashlight, Headlamps, search light lamp, etc Capacity: 3400mAh battery for flashlights Rechargeable times: Up to 500 times, Environmentally friendly 2 X 3400mAh Li-ion 18650 3.7V Rechargeable Battery (NOT AA or AAA Battery) Package include: 2pcs 18650 3400mah rechargeable battery + 18650 charger Durable in low and high temperature operations.Fit for camera, watch, calculators, flashlights, etc.