Stand-by battery assembly for portable electronic products

摘要

The standby battery assembly for use on the portable electronic products is attached to their back or an adequate place. The battery assembly has a casing for housing a plurality of batteries ( two batteries or more). The batteries are exchangeable within the casing, with a selection switch to shift between two batteries, or two batteries are arranged in the 180° direction, reversed direction or same direction to couple with the flexible operation of the portable electronic products.