Ключевые слова: accumulator, battery, cartoon, charge, charger, collection, computer, concept, cylinder, discharged, down, electric, electrical, electricity, empty, energy, flat, full, fully, green, group, high, icon, illustration, indicator, isolated, kit, level, lightning, loading, mobile, pack, phone, power, progress, recharge, red, set, sign, signaling, smartphone, source, status, step, symbol, technology, ui, up, voltage,