close up of spent used rechargeable nickel metal hydride ni-mh battery on grey background, flat lay. old nickel-cadmium ni-cd

accumulator accumulators alkaline background batteries battery charge closeup corrosion cylinder ecology electric electrical electricity electronic electronics energy environment environmental group ion line lithium macro mah many metal modern nimh old pattern plus pocket power protection recharge rechargeable recycle recycling renewable row rusty set storage trash used volt voltage waste watt