The Grid Down Redoubt is one of the worlds most robust, affordable, and complete solar systems available on the market. Based around the Lion Energy Sanctuary solar inverter and LiFeP04 energy storage battery system, our Redoubt provides an advanced energy solution of off grid and grid-tied applications. Every system we sell comes with everything needed to use the system including: panels, cables, and EMP Shield (EMP, CME, and lightning protection) ensuring your system remains operational even during the worst times.