More specs are in the photos. These are 5-7 years old but test like new. The item "SunPower SPR-305-WHT-U 305 watt 54 volt Solar Panel" is in sale since Friday, January 11, 2019.This item is in the category "Home & Garden\Home Improvement\Electrical & Solar\Alternative & Solar Energy\Solar Panels". The seller is "motorcycleer" and is located in Petaluma, California. This item can't be shipped, the buyer must pick up the item.