Battery ejection device

The utility model relates to a battery ejection device, comprising a slot frame which is arranged in the battery ejection device corresponding to the mounting concave part of the battery, and the slot frame is provided with the slot; an ejecting member comprises a member body and an ejecting part which is arranged on the ejecting member, and the ejecting member can be moved between the first position of the battery which is arranged in the mounting concave part of the battery in an ejecting way and the second position leaving away the battery; when the ejecting member is moved to the first position, the battery can be ejected out of the mounting concave part of the battery through the ejecting part; when the ejecting member is moved to the second position, and the ejecting part can be left away from the mounting concave part of the battery. As a result, the battery can be quickly and easily taken off without the extra tool and the damage to an elastic piece of the battery.