Ключевые слова: accumulator, background, battery, black, capacity, cell, charge, charger, concept, device, drop, electric, electrical, electricity, empty, energy, equipment, flat, fuel, full, green, icon, indicator, interface, level, life, lightning, load, low, macro, mobile, modern, number, percent, phone, plus, power, recharge, reflection, sign, smart phone, smartphone, status, supply, symbol, technology, water, waterdrop, white,