Built with Grade A+ LiFePO4 cells and an intelligent BMS, this modular system ensures safety, longevity, and peak performance for off-grid solar setups. SR Brackets are an open battery stacking system that is flexible, secure, and sets up in only a few minutes. The SRB2 Battery Cabinet is an outdoor-rated enclosure that can hold up to 2x SR5K-UL battery. What is a rack cabinet battery? A stacked or rack design solar battery is a modular energy storage system where individual battery modules are housed vertically within a standardized metal rack or custom cabinet. Engineered primarily with highly stable LiFePO4 (Lithium Iron Phosphate) cell. Modular Flexibility Drives Adoption: Stackable battery systems allow users to start with minimal capacity (as low as 2. Designed and engineered in the United States, our battery systems are certified and compatible with top inverter manufacturers providing you with the flexibility to. Expandable 5-40KWH LiFePO4 battery rack with 6000+ cycles, intelligent BMS, and multi-protection safety features. Compatible with top solar inverters (Deye, Growatt, SMA, etc. ), UL/CE/IEC-certified, and backed by a 5-year warranty. Perfect for off-grid solar systems.