(n) reversible cell
(n) an impregnable fortress
an unassailable territory
(n) sumptuous feast
debauch
(n) mercury cell
(n) solar battery
(P)
(n) flat battery
(P)
(n) rechargeable battery
(n) fuel cell
(n) button battery
watch battery
button cell
(n) voltaic cell
(n) layered dry cell (battery)
(n) (obsc) style of garden that features a path around a pond
(n) fuel-cell car
fuel-cell vehicle
(n) alkali battery
(n) (comp) NiCad battery
(n) paper cell
(n) voltaic cell
(n) lithium battery
(n) (comp) battery-powered calculator
(n) alkaline battery
(n) manganese dry cell
(n) solar panel
(n) Ikeda Elementary School massacre (June 8, 2001)
(n) (comp) Nickel-Metal Hydride battery (NiMH battery)
(n) cadmium standard cell
(n) (comp) lithium-ion battery
(n) amorphous solar cell
(n) (comp) lithium polymer battery
(n) nickel-cadmium battery