Specs don't show it being able to power a KX3. * Solar Power: 20W sunpower solar panel * Transformation efficiency: 22%-25% * Output 1: 5V2.4A(Max) * Output: 2: 5V2.4A(Max) -- View this message in context: http://elecraft.365791.n2.nabble.com/X-Dragon-20W-Solar-Panel-tp7601649p7601650.html Sent from the Elecraft mailing list archive at Nabble.com.