- The 2-POWER range is a perfect solution for any retailer, e-tailer or reseller, with a comprehensive selection of power accessories for nearly every type of electronic device. Batteries, chargers, adapters and power supplies for laptops, digital cameras, camcorders, smartphones, tablets, GPS, UPS – even power tools.- To satisfy the power demands of today’s portable mobile devices, 2-POWER’s range of power banks, USB chargers and universal chargers covers every base. The universal tip system for laptop chargers means you can hold minimal inventory, while covering the maximum range of devices.