eco-worthy solar panel kit for rv off grid solar power system with battery and inverter: 2pcs 100w 12v solar panel + 30a charge controller + 2pcs 20ah lithium battery + 600w solar inverter eco-worthy <b>eco-worthy is a one-stop shop for quick solar power system.</b><br><br> eco-worthy was established in 2007, engaged in solar panel,charge controller, battery, inverter and solar panel system accessories, the design and production.<br><br> our mission is to make solar products cost down and more people enjoy the life far away from city “——eco-worthy team’s words<br><br> we are committed in the lower cost, the more people using solar power.<br><br> right now get 1 kwh electricity from solar panel system people has to invest over 500 dollars. it’s still expensive in compared with utility power. if you choose eco-worthy, you'll achieving the provision of renewable and clean energy for society and get more 25% return on annual investment income.