Ключевые слова: accumulator, alkaline, app, battery, black, button, car, charge, charger, color, design, electric, electrical, electricity, empty, energy, equipment, fill, flat, fuel, full, generation, icon, illustration, industry, interface, isolated, level, lightning, lithium, load, low, minus, object, phone, pictogram, plus, power, recharge, recycle, set, sign, simple, supply, symbol, technology, thin, voltage,