BYD Battery-Box Premium LVS 20.0 (48V Low Voltage Battery)
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The BYD Battery-Box Premium LVS 20.0 delivers 20 kWh of usable storage capacity right out of the box via five stacked LFP battery modules at 51.2 V nominal. The system includes a PDU (Power Distribution Unit), the Base and the integrated BMU (Battery Management Unit). Thanks to the patented internal plug system, all five modules are stacked without additional wiring — further expandable to 24 kWh within the same tower, or up to 256 kWh by connecting multiple towers in parallel. With 250 A continuous and 360 A peak discharge current, this system is ideally suited to demanding emergency backup, off-grid and semi-commercial applications. Compatible with leading single-phase and three-phase inverters from GoodWe, Solis, Victron Energy and SMA.
- Capacity: 20.0 kWh usable (5 modules), expandable to 256 kWh (64 modules in parallel).
- Low Voltage 48V: Nominal voltage 51.2 V — maximum safety and wide inverter compatibility.
- Cobalt-free LFP technology: Maximum safety, long service life and high thermal stability.
- Maximum discharge current: 250 A continuous / 360 A peak (5 s) — ideal for emergency power, off-grid and heavy-duty use.
- IP55 and 10-year warranty: Reliable in demanding environments; round-trip efficiency ≥ 95%.
Scalable from 20 kWh to 256 kWh
The LVS series is designed for maximum flexibility. The LVS 20.0 starts with 5 modules — just one module away from the maximum tower height of 24 kWh — and can be expanded further by connecting additional towers in parallel, up to 256 kWh total. The system supports on-grid self-consumption optimisation, on-grid with backup function, and full off-grid operation. Communication is via CAN or RS485. Operating temperature: −10 °C to +50 °C (charge derating applies between −10 °C and +5 °C).
Not included: The BYD DC connection set for the LVS PDU (35–50 mm² connector set) — consisting of DC connectors, metal terminals, rubber cores, O-rings, claws and caps — and the battery cables to the inverter (2 × 35/50 mm² with M8 cable lugs, approx. 2 m) must be ordered separately.
| Specification | Value |
|---|---|
| Model | BYD Battery-Box Premium LVS 20.0 |
| Number of modules | 5 × LVS 4 kWh module |
| Usable capacity | 20.0 kWh |
| Technology | Cobalt-free Lithium Iron Phosphate (LiFePO4) |
| Nominal voltage | 51.2 V |
| Operating voltage | 40 – 57.6 V |
| Max. continuous discharge current | 250 A |
| Peak discharge current | 360 A (5 seconds) |
| Round-trip efficiency | ≥ 95% |
| Communication | CAN / RS485 |
| Dimensions (H × W × D) | 1460 × 650 × 298 mm |
| Weight | 244 kg (5 × 45 kg modules + 19 kg PDU/BMU) |
| Protection class | IP55 |
| Operating temperature | −10 °C to +50 °C |
| Applications | On-Grid / On-Grid + Backup / Off-Grid |
| Warranty | 10 years |
| Certifications | VDE2510-50, IEC62619, CE, CEC, UN38.3 |
What is included in the package?
| Component | Description / Quantity |
|---|---|
| PDU (Power Distribution Unit) | 1 × |
| Base (foot plate) | 1 × |
| BMU (Battery Management Unit) | Integrated in PDU |
| Battery modules LVS 4.0 kWh | 5 × (45 kg each) |
| Hangers – PDU side | 2 × |
| Hangers – wall side | 2 × |
| Screws and nuts (M4, M5, M6) | Assorted |
| Communication glands | 2 × |
| Documentation | 1 set |
| Not included | BYD DC connection set LVS PDU (35–50 mm² connector set): DC connectors ×2, metal terminals ×2, rubber cores ×2, O-rings ×2, claws ×2, caps ×2 |
| Not included | Battery cables to inverter (2 × 35/50 mm², M8 cable lugs, approx. 2 m) |
Which inverters are compatible with the LVS 20.0?
The BYD Battery-Box Premium LVS 20.0 is a 48V Low-Voltage battery system communicating via CAN or RS485, compatible with leading single-phase and three-phase inverters, including:
- GoodWe (ES/EM/SBP series)
- Solis (RHI/S6 series)
- Victron Energy (MultiPlus / Quattro)
- SMA (Sunny Boy Storage / Tripower)
- Fronius, Studer and other certified brands
Always consult the current BYD compatibility list at bydbatterybox.com.
How far can I expand this system?
The LVS series is highly scalable. Starting from the LVS 20.0 (5 modules):
- Up to 6 modules (24 kWh) per tower — just one more module to reach maximum tower height.
- Up to 64 modules (256 kWh) by connecting multiple towers in parallel.
Each additional tower increases total capacity and discharge current proportionally, allowing the system to grow with your energy needs.
Does this battery help avoid feed-in costs?
Yes. By storing surplus solar energy in the LVS 20.0 and consuming it yourself later, you significantly increase your self-consumption rate, reducing feed-in to the grid and associated costs. Combined with a compatible inverter, the system also supports time-of-use (TOU) scheduling for maximum savings on your energy bill.
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