Medical device battery system including a secondary power...
Method and apparatus for conserving battery for operation of...
Method and apparatus for conserving battery for operation of...
Method and device for charging peripherals
Method and device for charging peripherals
Mobile phone charger
Mobile phone charger with automatic light
Mobile phone SIM card switching unit
Mobile telephone comprising an improved battery charger circuit
Modular electronic apparatus with battery charging control
Modular power supply
Multi-purpose battery mobile phones
Multi-purpose electric charging apparatus
Multiple device battery charger