TenTec power supply (937) - matches 516 Argonaut V, 526 6N2 VHF, 555 Scout. 115 VAC, 60 Hz input. 13.8 VDC, 11 amp output @ 50% duty, 7 amp continuous. DC output binding posts, foldback current limiting, over voltage protection. $65.00 shipped CONUS. -- Jeff