Compatible with: Various electrical devices that have a 12V 2.5mm x 5.5mm DC-In jack. High Quality AC Home/Wall Charger/Adapter (Non-OEM). Input: 100v – 240v. Output: 2000mA max. ( Fit current 2000mA and below ) Connector: DC 5.5mm ( outer ) x 2.5mm ( inner ) With smart IC circuit inside and LED light indicator for preventing overcharging and for short circuit protection.