etfe 40w flexible solar panel module kit car boat charger dual usb dc controller

material:pet+monocrystalline silicon cell waterproof rating: ip65 solar energy conversion rate: 20% pmax:40w noct(nominal operating cell temperature):40-85°c output :double usb+dc size:500x350x2mm the product is used for emergency charging on field vehicles. -you can place the panel in the sun and use it to directly charge your device. -equipped with 4 protective corners to protect the edges of the solar panel from damage.