Rubix manufactures advanced lithium solar battery systems. Engineered in the USA, both the Stack and R-Series are ready for residential, commercial, off-grid, and backup solar power applications. Stack Series delivers scalable, modular energy storage that grows with your needs. The R-Series provides rugged, high-capacity performance for demanding installations. Rubix batteries have Premium LiFePO4 chemistry for safe, stable energy storage, Impactiv Balancing for up to 30% longer battery life. Designed by experienced installers, Rubix batteries are engineered for reliability, safety, and long-term value. Rubix offers flexible solutions backed by real-world expertise. Legacy Giga Stack Series systems continue to support customers nationwide.