Ключевые слова: background, battery, battery charger, black, camera, camera battery, cell, charge, charger, charging, chemical, collection, conservation, electricity, electronic, energy, equipment, fuel, group, guitar, industry, ion, isolated, light, lithium, macro, metal, mobile, modern, more, old, phone, polarity, power, recharge, rechargeable, recycling, sign, supply, symbol, technology, texture, volt, watt, wattage, white,