Maintenance-free high capacity lead battery or accumulator

Maintenance-free open industrial type alkaline electrolyte...

Mass-transport separator for alkaline nickel-zinc cells and cell

Means of providing pressure relief to sealed galvanic cell

Mechanical and thermal improvements in metal hydride batteries,

Metal oxide-hydrogen battery incorporating a mechanism for maint

Metal-supported seals for galvanic cells

Metal/hydrogen alkaline storage battery

Method and apparatus for regulating charging of...

Method and apparatus for the preparation and installation of bat

Method of forming protective coating on cell safety valve...

Method of manufacturing a safety vented container and product

Method of manufacturing battery explosion prevention safety...

Module battery of sealed alkaline storage battery

Moisture-proof housing for containing an electric accumulator

Multicell recombining lead-acid battery

Multicell sealed rechargeable battery