Ключевые слова: accumulator, background, battery, blue, capacity, cell, charge, charged, complete, concept, design, device, draw, drawing, electric, electrical, electricity, electronic, electronics, energy, equipment, flat, full, fully, graphic, hand drawn, icon, illustration, interface, isolated, level, line, linear, minimal, mobile, outline, phone, plus, pole, positive, power, round, shape, sign, store, symbol, technology, thin, volt,