Phone Mount Holder Ideal output: 2000Wh per day; can fully charge a 100Ah battery from 50% in 1.5 hours (depending on the availability of sunlight). With a Renogy 40A MPPT Charge Controller, you can expand your system up to a maximum of 400W (12 Volt) or 800W (24 Volt). Added 8ft 8AWG tray cable for connection between charge controller and battery. Upgraded 10AWG Adaptor Kit for future expansion. EL tested solar modules; no hot-spot heating guaranteed.