aluminum
アルミニウム
accumulator
adapter
background
bank
battery
button
cable
capacity
cell
close
compatible
connect
design
device
different
digital
display
electric
electricity
energy
equipment
gadget
heap
lcd
line
lithium
metal
mobile
modern
output
phone
pile
plastic
portable
power
recharge
safe
silver
size
smart
stack
table
technology
telephone
tool
up
usb
white
wooden