... ) Aluminum alloy box2) It is composed of solar panel, lithium power battery, intelligent controller and inverter.3) The built-in rechargeable ... circuit, over-load and over-discharge.7) Two kinds of power-supply modes: 20W solar panel and AC 110V/220V adapterAdvantages ... *520mmNW: 13.2kgGW: 14.3kg .... Multifunctional 20W~150W portable solar power for fans,TV,laptop,home and outdoor camping