specifcation related power 10w voc 20.6v vop 17.3v short circuit current isc 0.69a working current iop 0.58a output tolerance 3 temperate coefficient of isc 010 0.01 temperate coefficient of voc 0.38 0.01 temperate coefficient of power voc 0.47 temperature range 40 to 80 frame heavy duty aluminum ki