2x 18650 lithium 3200JT batteries from LinQ. Charge capacity 3200mAh with a voltage of 3.7V. These lithium batteries feature overheat and overcharge protection for safe use. They have a standard head and are compatible with devices such as lamps, cameras, mini fans, and more. These rechargeable 18650 batteries are very powerful, making them an inexpensive solution for charging devices like torches, walkie-talkies, cameras, e-cigarettes, and many others.