Ключевые слова: accumulator, adapter, aluminum, background, bank, battery, button, cable, cell, cellphone, charge, charger, communication, concept, connection, connector, customer, design, device, digital, electric, electricity, energy, equipment, external, flat, internet, mobile, modern, object, phone, plug, portable, power, powerbank, recharge, screen, service, sign, silver, smart, smartphone, supply, tablet, technology, telephone, tool, usb, white,