Solar Panel, 90 (117?) Watts, Monocrystalline BEST (Grid, on grid, grid tie, solar panel) 90 Watts (our measurement shows 117W at noon) 18.11 volts (use our regulator to work with 12V systems), 4.97 amperes 47.2 x 21.7 x 1.38 inches. 20 lbs. Open circuit: 22.32 volts, 5.25 amperes. Junction box w/MC4 cables Note: Any suppliers' panels over 10W are never 12V, regulator needed