Ключевые слова: accumulator, acid, background, battery, black, capacity, car, cell, center, charge, check, design, device, electric, electrical, electricity, energy, flat, full, icon, illustration, image, indicator, industrial, industry, interface, isolated, level, lightning, lithium, load, low, mobile, panel, phone, portable, power, recharge, rechargeable, service, set, sign, simple, stage, supply, symbol, technology, transportation, volt,