aa
aaa
accumulator
alkaline
auto
battery
button
capacity
car
cell
cellphone
charge
charger
check
complete
cylinder
digital
ecology
electric
electrical
empty
energy
flat
fuel
full
half
icon
ion
isolated
level
life
lightning
lithium
load
low
metal
mobile
nickel
phone
power
recharge
recycle
service
source
strength
types
up
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