Ключевые слова: accumulator, acid, alkaline, art, background, battery, black, cell, charge, charger, color, design, electric, electrical, electricity, electronics, empty, energy, equipment, fuel, full, generation, group, icon, illustration, image, indicator, industry, interface, isolated, level, lightning, load, low, mobile, phone, plus, power, recharge, red, set, shape, sign, strength, supply, symbol, technology, voltage, white,