Ключевые слова: accumulator, acid, alkaline, background, battery, charge, charger, design, electric, electrical, electricity, empty, energy, equipment, flat, fuel, full, generation, half, icon, illustration, industry, information, interface, isolated, lead, level, line, lithium, load, logo, long, low, mobile, object, phone, positive, power, rechargeable, shadow, sign, silhouette, simple, strength, supply, symbol, technology, voltage, white,