... plug adapter 1. Switching power adapter 2. America power adapter 3. Universal plug adapter 4. AC100V~240V, DC5V~12V Product categoryAC plug adapterAdapterAC DC adapterAC DC plug ... circuit protectionOvervoltage protectionOvercurrent protectionRCC control circuit, apply to mobile phone, digital camera, and gamer ... powered by single Lithium cellAdds up to 240mAh to devices per AA alkaline batteryDischarge ...