T21 / 21.31kWh Dyness High Voltage Battery Tower  Scalable 21.31kWh High-Voltage Battery / LiFePO4 / IP58  Description: Dyness Tower T21 – High-Performance Energy Storage for Industrial & Commercial Applications The Dyness Tower T21 21.31kWh High-Voltage Battery is engineered for professional energy storage applications, providing efficient power backup and grid independence . Designed with LiFePO4 (Lithium Iron Phosphate) cells , this scalable system offers long life, safety, and high energy density—ideal for businesses, industrial installations, and large-scale solar storage projects . Key Features for Professionals: High-Capacity Power Storage: 21.31kWh nominal energy , 20.245kWh usable capacity , and 95% depth of discharge (DOD) for maximum efficiency. Scalable Energy Solution: Modular system allows for expansion to meet growing energy demands. Optimized for High-Voltage Performance: 504V–657V operating range ensures stable energy output. Fast Charge & Discharge: 12.78kW continuous power for rapid energy utilization. Long Lifecycle & Reliability: 6,000+ charge cycles for extended service life in demanding environments. Seamless Communication: CAN & RS485 protocols ensure compatibility with advanced energy management systems. Robust & Weather-Resistant: IP58-rated protection for indoor and outdoor installations . Technical Specifications: Battery Type: Lithium Iron Phosphate (LiFePO4) Modules: 6 Nominal Voltage: 576V Capacity: 37Ah Max Charge/Discharge Power: 12.78kW Cycle Life: ≥6,000 cycles Weight: 269kg Ingress Protection: IP58 Dimensions: 504 × 380 × 1500 mm Compatibility & Installation: Works with leading inverter brands : Goodwe, Solis, Deye, Growatt, and more. Installation must be performed by a certified electrician , compliant with SANS 10142 regulations . Warranty: 10-Year Manufacturer Warranty (COC required for claims).