The DOKIO 300W Portable Solar Panel Kit is an excellent choice for individuals seeking a cost-effective and dependable way to power their home or business. It is made of high-quality materials and comes with a 5-year limited warranty on material and workmanship. It is also IP65 waterproof and has two UDB ports. The included carrying bag makes it easy to transport. The max voltage of this solar panel kit is 18 V, and the max current is 16.67 A.