alkaline
battery
break
capacity
charge
charger
colllection
destroy
electric
electrical
electricity
electronic
empty
energy
equipment
fire
fuel
full
generation
icon
illustration
industry
instruction
isolated
level
lightning
load
minus
mobile
not
panel
plus
polarity
power
recharge
rechargeable
set
shape
sign
simple
source
supply
symbol
technology
volt
voltage
warning
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