BYD Battery-Box Premium HVM (22.1 kWh)
The BYD Battery-Box Premium HVM is a high-voltage, modular LFP battery system designed for maximum safety, efficiency and flexibility. Its patented plug-in module design requires no internal wiring, making installation fast and scalable. One HVM stack can be built from 3–8 modules; the HVM 22.1 configuration (8 modules) delivers 22.08 kWh usable energy and can be paralleled up to 3 identical stacks for a total of 66.2 kWh.
Key Features
- Capable of high-powered emergency-backup and off-grid functionality.
- Real high-voltage series connection for class-leading efficiency.
- Patented modular plug design – no internal wiring; rapid, flexible installation.
- Cobalt-free Lithium Iron Phosphate (LFP) cells for maximum safety, long life and high power.
- Compatible with leading single- and three-phase high-voltage battery inverters.
- Two module families (HVS/HVM) cover a wide range of system sizes; HVM stacks can be paralleled later for easy expansion.
- Built to the highest safety standards (e.g. VDE 2510-50).
Technical Specifications – HVM 22.1
| Usable Energy | 22.08 kWh |
| Configuration | 8 × HVM modules (2.76 kWh each) in series |
| Max Output Current | 40 A |
| Peak Output Current | 75 A for 5 s |
| Nominal Voltage | 409 V |
| Operating Voltage | 320 – 460 V |
| Dimensions (H × W × D) | 2110 × 585 × 298 mm |
| Weight | 319 kg |
| Round-trip Efficiency | ≥96% |
| Operating Temperature | -10 °C to +50 °C |
| Cell Chemistry | Lithium Iron Phosphate (LFP), cobalt-free |
| Communication | CAN / RS485 |
| Enclosure Rating | IP55 |
| Certification | VDE2510-50 / IEC62619 / CEC / CE / UN38.3 |
| Applications | On-grid, On-grid + Backup, Off-grid |
| Scalability | Parallel up to 3 identical HVM stacks (max 66.2 kWh usable) |
| Warranty | 10 years |
| Compatible Inverters | Refer to BYD Battery-Box Premium HVS/HVM compatible inverter list |
Important:
All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.
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