Latching mechanism for removable cell battery pack

Layout and procedure of charging of batteries

Lead acid battery rejuvenator

Lead acid battery rejuvenator

Lead acid battery rejuvenator and charger

Lead acid battery rejuvenator and charger

Lead acid charger

Lead acid charger with ratioed time-out periods and current puls

Lead battery assembly adapted to be charged by a charger for a n

Lead-acid battery desulfator/rejuvenator

Leakage detector for a power supply apparatus for a vehicle

Li-ion secondary battery pack, recharger, method and system...

Li-ion/Li-polymer battery charger configured to be...

Li-ion/Li-polymer battery charger configured to be...

Li-ion/Li-polymer battery charger configured to be...

Li-ion/Li-polymer battery charger configured to be...

Life cycle charging for batteries

Life extending circuit for storage batteries

Life extending operational regime for battery

Life-prolonging device for hearing-aid batteries