英文關鍵字
cell
prismatic
cobalt
zinc
design
icon
technology
isolated
isometric
energy
industry
positive
nickel
negative
diagram
lightning
electronic
electrical
voltage
fuel
battery
equipment
electric
power
volt
accumulator
generation
lithium
rechargeable
empty
charger
ion
level
load
symbol
eco
friendly
supply
capacity
signs
recharge
charge
separator
plus
nca
nmc