A power supplying system (10) includes multiple rechargeable battery devices (2) each including a first switch module (21), a series connection of a battery unit (22) which includes multiple rechargeable batteries connected in series with each other and a ...

A charge system for series connected rechargeable batteries (90) includes: a power generating unit (2) generating a DC input power (Vdc) based on a voltage input from an AC power source (8); a charge control unit (3) generating a charge voltage (Vcc) based...