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BYD B-Box Premium HVS 2.5 kWh module (2.56 kWh) Battery Module Home battery 10 Years Product Warranty
The BYD B-Box Premium HVS is a 2.56 kWh LiFePO4 modular battery module (102.4 V, 38 kg) offering ≥96% round-trip efficiency and 25 A continuous power capability. With plug-in modularity (2–5 modules per Battery-Box HVS), CAN/RS485 communications, IP55 protection and a 10-year warranty, it’s ideal for scalable residential and light-commercial energy storage.
| Quantity | Minimum | Sales unit | Escrow | Reviews | Availability | Price per pc. | Total price |
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120
pcs.
307 kWh
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1
pcs.
3 kWh
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Piece |
73
Ratings
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In stock,
CZ
ID: 194114
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47
pcs.
120 kWh
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1
pcs.
3 kWh
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Piece |
5
Ratings
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In stock,
DE
ID: 238118
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20
pcs.
51 kWh
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1
pcs.
3 kWh
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78
Ratings
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In stock,
DE
ID: 91880
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60
pcs.
154 kWh
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1
pcs.
3 kWh
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Piece |
155
Ratings
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In stock,
DE
ID: 215680
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570
pcs.
1,459 kWh
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1
pcs.
3 kWh
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Piece |
9
Ratings
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In stock,
DE
ID: 130072
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1,344
pcs.
3,441 kWh
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1
pcs.
3 kWh
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Piece |
47
Ratings
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In stock,
DE
ID: 112488
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2,136
pcs.
5,468 kWh
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1
pcs.
3 kWh
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Piece |
155
Ratings
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In stock,
DE
ID: 111388
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100
pcs.
256 kWh
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1
pcs.
3 kWh
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Piece |
387
Ratings
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In stock,
DE
ID: 112424
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2
pcs.
5 kWh
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1
pcs.
3 kWh
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Piece |
31
Ratings
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In stock,
ES
ID: 248335
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7
pcs.
18 kWh
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1
pcs.
3 kWh
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Piece |
58
Ratings
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In stock,
NL
ID: 177940
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150
pcs.
384 kWh
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1
pcs.
3 kWh
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Piece |
6
Ratings
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In stock,
AT
ID: 206561
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7
pcs.
18 kWh
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1
pcs.
3 kWh
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Piece |
12
Ratings
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In stock,
DE
ID: 193344
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61
pcs.
156 kWh
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1
pcs.
3 kWh
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Piece |
58
Ratings
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as of 16.12.2025,
NL
ID: 248698
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1,807
pcs.
4,626 kWh
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1
pcs.
3 kWh
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Piece |
47
Ratings
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as of 13.02.2026,
DE
ID: 227575
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2,731
pcs.
6,991 kWh
|
1
pcs.
3 kWh
|
Piece |
47
Ratings
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as of 13.03.2026,
DE
ID: 244811
|
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Performance data
| Type | Battery Module |
| Capacity | 3 KWh |
| Efficiency | 96.0 % |
| Voltage | n/a |
| Voltage min | n/a |
| Voltage max | n/a |
Measurements
| length | 298 mm |
| width | 585 mm |
| Height | 233 mm |
| weight | 39 kg |
Manufacturer warranty
| Product warranty | 10 years |
Certificates
CE
German
| Data Sheet |  |
| Guarantee | |
| Data Sheet | |
English
| Data Sheet | |
| Guarantee | |
| Manual | |
| Other | |
BYD B-Box Premium HVS — 2.56 kWh module (LiFePO4, high-voltage modular)
The BYD B-Box Premium HVS module is a 2.56 kWh nominal LiFePO4 (cobalt-free) battery module with a nominal voltage of 102.4 V and a mass of 38 kg — designed for safe, modular high-voltage storage systems. It delivers ≥96% round-trip efficiency, IP55 enclosure rating, CAN / RS485 communications and supports 25 A continuous / 50 A peak (5 s) per module, making it suitable for scalable residential and commercial installations. Each Battery-Box Premium HVS system is built from 2–5 HVS modules in series (usable system energy ≈5.12–12.8 kWh), and up to 3 stacks can be paralleled for larger systems.
✅ Advantages for installers
- Modular scalability – Build systems from single HVS modules (2–5 in series) and later expand by adding modules or parallel stacks.
- High efficiency – ≥96% round-trip keeps storage losses low and increases usable energy for self-consumption.
- Safe chemistry – LiFePO4 (cobalt-free) cells for high safety, long cycle life and stable thermal behavior.
- Compact, installer-friendly units – Single-module weight 38 kg and plug-in modular design eliminate internal wiring and speed up installation.
- Good power capability – 25 A continuous / 50 A peak (5 s) per module supports effective backup and short bursts for loads.
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Certified & durable – IP55 enclosure, wide operating range and industry certifications (e.g., VDE-AR-E 2510-50 / IEC 62619 / UN38.3) simplify approval and installation.
Technical Data — BYD B-Box Premium HVS (per module / system notes)
- Module nominal energy: 2.56 kWh (per HVS module)
- Usable system energy: ≈5.12 – 12.8 kWh (2–5 modules in series per Battery-Box HVS); up to 38.4 kWh per HVS stack when 3 stacks are paralleled (system dependent)
- Module nominal voltage: 102.4 V
- Continuous / Peak output current (per module): 25 A / 50 A (5 s)
- Round-trip efficiency: ≥96%
- Cell chemistry: Lithium Iron Phosphate (LFP), cobalt-free
- Communications: CAN, RS485
- Protection / Enclosure: IP55
- Operating temperature: −10 °C to +50 °C (power derating below 0 °C)
- Weight (per module): 38 kg
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Warranty: 10 years product warranty
Secure your project offer
The BYD B-Box Premium HVS module is a safe, efficient and highly scalable building block for modern solar + storage systems — ideal if you want simple on-site expansion, high round-trip efficiency and a proven LFP platform. Buy through certified distributors for secure, transparent trading. Register for free and get a personalized quote.
Advantages BYD B-Box Premium HVS 5,1–38,4 kWh
The BYD Battery-Box Premium HVS is a modular high-voltage storage system with a capacity of 5.1 to 38.4 kWh. The cobalt-free LFP technology ensures maximum safety, efficiency, and a service life of up to 10 years.Thanks to its modular design, the HVS series can be flexibly expanded and optimally adapted to energy needs. Parallel connections allow easy scaling up to 38.4 kWh. It is suitable for self-consumption optimization, backup power supply, and off-grid applications. Request your individual offer for the BYD Battery-Box Premium HVS today.
BYD
BYD Energy Storage – Reliability and Performance for Professionals
BYD is a global leader in advanced energy storage systems. Using safe and durable lithium iron phosphate technology, BYD batteries deliver high efficiency, long lifespan, and flexible applications for both residential and commercial projects. With sustainable quality and strong B2B conditions, BYD is the trusted choice for professional solar installers.
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