Pylontech US5000B 4.8kWh LiFePO4 Rack Battery (48V 74Ah)

The Pylontech US5000B is a 4.8kWh (48V / 74Ah) rack-mount LiFePO4 battery module — the successor to Pylontech's widely-deployed US2000 and US3000 series, with larger cell format for reduced internal resistance and improved high-C-rate performance. Pylontech is the world's largest dedicated residential energy storage manufacturer by shipped capacity, with their batteries deployed in over 1 million systems across 70 countries. Built-in BMS with cell-level monitoring, active cell balancing, and auto-protection. Stack 1–8 units per inverter bus using Pylontech's proprietary parallel power cables (P-Box) and RS485 daisy-chain master/slave communication. Compatible with virtually all major hybrid inverters: Victron, Deye, Growatt, SMA Sunny Island, SolarEdge, Huawei, and Fronius. Cycle life: ≥6000 cycles to 80% at 0.5C. Operating range: 44–54V (auto-protected by BMS). Self-discharge <3% per month. IP20 rated (indoor rack installation). Standard 19-inch 3.5U rack format. Dimensions: 442 × 410 × 132mm. Weight: 24kg. Ships with communication cables and RS485 master/slave jumper. Certifications: CE, IEC 62619, IEC 62477, UL 9540 listed (US energy storage system permit eligibility).