Coming Data 12V 4A Battery Adapter Power Supply w/ Barrel Coaxial Connector 5.5mm*2.5mm (12V) 12 Volt 4Amp 48 Watt Battery Charger w/ Barrel Coaxial Connector, Tip Size: 5.5mm x 2.5mm Input: AC100-240V Output: DC 12V 4A Works with any devices required 12V 4A DC power and physically fits the plug UL Certified, short circuit protection, Intelligent full automatic charger, plug-n-go US seller, ship from US, 1 year limited warranty