Securing a battery to a battery charger

摘要

A battery charger 400 comprises a body, a charging circuit, and an aperture for receiving a battery 200. The battery can be rotated about the insertion axis to secure the battery to the charger while continuing to charge the battery. Alternatively either the battery or the charger includes a protrusion and the other of the battery or the charger includes a recess for receiving the protrusion. The battery may be connected to the battery charging circuit before the battery is secured to the charger.