Ключевые слова: accumulator, acid, alkaline, ampere, art, auto, background, battery, black, button, car, cell, charge, charger, check, contour, design, electric, electrical, electricity, energy, equipment, flat, generation, icon, illustration, image, industrial, interface, isolated, line, linear, lineart, maintenance, minus, outline, plus, portable, power, service, sign, supply, symbol, technology, transportation, vehicle, volt, voltage, white,