Ключевые слова: accumulator, alkaline, battery, black, capacity, cell, charge, charger, design, electric, electrical, electricity, electronics, empty, energy, equipment, fuel, full, generation, green, group, icon, illustration, indicator, industry, interface, isolated, level, lightning, load, low, minus, mobile, panel, phone, plus, power, recharge, rechargeable, shape, sign, strength, supply, symbol, technology, voltage,