This is an original Falcon 2200mAh battery. this is a li-ion rechargeable battery with 2200mAh Battery Capacity. This is not a standard AA or AAA battery but is very useful for application that require continuous high current in short bursts like in tattoo machines . this cell can be charged and discharged without much loss in battery capacity. They are safe to use, environment friendly and have long battery life. It comes with high energy density and provides excellent continuous power sources to your device. It should be used with a protection circuit board that guards the battery against over-charge, over-discharge of the pack, and avoid over-current drawn.