AC-DC Switching Regulated Power Supply 16.5VDC @ 4200mA; 2.1 x 5.5mm (+) center polarity; Part # SW-164Q
by PHC Enterprise, Inc.
$72.00
Part #: SW-164Q
Input: 100~240VAC
Output: 16.5VDC @ 4200mA
Plug: 2.1 x 5.5mm 
Desktop