This system is designed with top of the range components with a track record of high efficiency and durability. For example, the battery bank has a warranty of 10 years. We designed and installed the system with the following components; – 7,140W Solarworld Sunmodule Solar Panels (28 x SW255) – 11kW SMA Sunny Mini Central 11000TL PV Inverter. – 6kW SMA Sunny Island 8.0H Battery Inverter. – SMA SRC-20 Remote – 48V 1202AH Trojan Industrial INDV17 Lead Acid Battery.