aa size
aaa size
accessory
accumulator
anode
background
battery
blue
cathode
closeup
consumer electronics
domestic
electric battery
electric current
electric power
electrochemical cell
electronic
energy source
household
industry
modern
negative terminal
nickel metal hydride battery
nimh
positive terminal
power source
power supply
powering electrical device
rechargeable
rechargeable battery
rechargeable cell
secondary battery
selective focus
supplying
technology
white
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