Humsienk 51.2V 400Ah Wall-mounted Bluetooth LiFePO4 Battery 20.48kWh
Energy powerhouse! Delivering massive 20.48kWh in one all-in-one unit, replacing 4× 48V 100Ah batteries to reduce wiring and cost. Built with BYD LiFePO4 cells for 6000+ cycles, featuring 200A output for 7–10kW systems, smart BMS with Bluetooth, wide-temp performance, inverter compatibility, and expandable up to 307.2kWh for home, solar, and commercial use.
Battery Size: L1251 × W741 × H200 mm | 186 kg
⚠️Battery in stock – ships immediately. Inverter on pre-order – ships separately once available.
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20.48kWh All-in-One Energy Storage：Replaces 4× standard 48V 100Ah batteries, simplifying installation while reducing wiring complexity and cost.
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200A High Output for 7–10kW Systems：Handles high surge loads and supports whole-home or commercial power demands with stable performance.
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Expandable Up to 307.2kWh Capacity：Supports up to 15 units for flexible energy scaling, ideal for growing home or business needs.
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6000+ Cycles with BYD Battery Cells：Delivers exceptional lifespan at 80% DoD, ensuring reliable long-term performance beyond industry standards.
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Advanced Safety & Smart BMS System：Features steel casing, 15mV active balancing, and Bluetooth/LCD monitoring for safe and intelligent operation.
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All-Weather Performance (-20°C to 60°C)：Operates reliably in extreme temperatures, ensuring stable energy supply year-round.
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Plug & Play with Major Inverters：Seamlessly integrates with Victron, Growatt, SRNE via CAN/RS485/RS232 for easy system setup.
| Mechanical | |
|---|---|
| Battery Cells | BYD |
| Shell Type | Metal |
| Terminal | M8 |
| Size / in (L×W×H) | 49.26 × 7.88 × 29.17 in |
| Weight | 410.06 lb ±5% |
| Electrical Characteristics | |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 400Ah |
| Energy | 20.48kWh |
| Cycle Life | 6000 Cycles @ DoD80% |
| Months Self Discharge | ≤3% / Month |
| Efficiency Of Charge | 100% @0.2C |
| Efficiency Of Discharge | 96%–99% @0.5C |
| Standard Charge | |
| Charge Voltage | 56.8–58.4V |
| Charge Mode | CC / CV |
| Charge Recommended Current | ≤80A |
| Max. Continuous Charge Current | 200A |
| Standard Discharge | |
| Discharge Recommended Current | 200A |
| Max. Continuous Discharge Current | 200A |
| Discharge Cut-Off Voltage | 40V |
| Environmental | |
| Charge Temperature | 32°F–131°F / 0°C–55°C |
| Discharge Temperature | -4°F–140°F / -20°C–60°C |
| Storage Temperature | 32°F–113°F / 0°C–45°C |
| Ingress Protection Rating | IP20 |
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