Minimum efficiency: 77.75% @ 115VAC Input and output at full load. [Power Specs]: Input: 100-240V ~ 50/60Hz 0.5A; Output: 12V 1A (1000MA). / 12.6V max. Cord length: 56in. / Connector size: 5.5mm x 2.1mm (10mm long).
eBay