Ключевые слова: accumulator, assigned, background, batch, battery life, battery power, car battery charge, charge icon, charging station, collection, complete, concept, display, ecar, electrical installation, electricity, electronic, energy, fuel cell, helped, hydrogen, illustration, inexperienced, isolated, lightning, load, loaded, low, low battery, mobile, modern, origin, pattern, phone charging, pointer, polarity, power supply, rechargeable batteries, red, signed, smartphones, spark, spirit level, status, strength, symbol, technology, unfilled, white,