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BYD B-Box Premium HVS 7.7 (7.68 kWh) (7.68 kWh) Battery System Home battery High voltage 10 Years Product Warranty
BYD B-Box Premium HVS 7.7 (7.68 kWh) Battery box with usable energy capacity of 7.68 kWh and comes with 10 years warranty.
| Quantity | Minimum | Sales unit | Escrow | Reviews | Availability | Price per pc. | Total price |
|---|---|---|---|---|---|---|---|
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20
pcs.
154 kWh
|
1
pcs.
8 kWh
|
Piece |
78
Ratings
|
In stock,
DE
ID: 91878
|
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|
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|
|
21
pcs.
161 kWh
|
1
pcs.
8 kWh
|
Piece |
9
Ratings
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In stock,
DE
ID: 130074
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15
pcs.
115 kWh
|
1
pcs.
8 kWh
|
Piece |
37
Ratings
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In stock,
DE
ID: 217819
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448
pcs.
3,441 kWh
|
1
pcs.
8 kWh
|
Piece |
47
Ratings
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In stock,
DE
ID: 110968
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|
712
pcs.
5,468 kWh
|
1
pcs.
8 kWh
|
Piece |
155
Ratings
|
In stock,
DE
ID: 65633
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|
2
pcs.
15 kWh
|
1
pcs.
8 kWh
|
Piece |
58
Ratings
|
In stock,
NL
ID: 150190
|
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|
|
20
pcs.
154 kWh
|
1
pcs.
8 kWh
|
Piece |
155
Ratings
|
In stock,
DE
ID: 215682
|
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|
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|
|
20
pcs.
154 kWh
|
1
pcs.
8 kWh
|
Piece |
387
Ratings
|
In stock,
DE
ID: 215324
|
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|
50
pcs.
384 kWh
|
1
pcs.
8 kWh
|
Piece |
6
Ratings
|
In stock,
AT
ID: 206592
|
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|
|
15
pcs.
115 kWh
|
1
pcs.
8 kWh
|
Piece |
24
Ratings
|
In stock,
HU
ID: 73581
|
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|
|
17
pcs.
131 kWh
|
1
pcs.
8 kWh
|
Piece |
58
Ratings
|
as of 16.12.2025,
NL
ID: 248649
|
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|
602
pcs.
4,623 kWh
|
1
pcs.
8 kWh
|
Piece |
47
Ratings
|
as of 13.02.2026,
DE
ID: 227647
|
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|
910
pcs.
6,989 kWh
|
1
pcs.
8 kWh
|
Piece |
47
Ratings
|
as of 13.03.2026,
DE
ID: 244922
|
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Performance data
| Type | Battery System |
| Capacity | 8 KWh |
| Efficiency | 96.0 % |
| Voltage | 307 V |
| Voltage min | 240 V |
| Voltage max | 345 V |
Measurements
| length | 298 mm |
| width | 585 mm |
| Height | 945 mm |
| weight | 129 kg |
Manufacturer warranty
| Product warranty | 10 years |
Certificates
CE
German
| Data Sheet |  |
| Guarantee | |
| Data Sheet | |
English
| Data Sheet | |
| Guarantee | |
| Manual | |
| Other | |
BYD Battery-Box Premium HVS 7.7 (7.68 kWh) – High-Voltage Battery Storage
Product Overview
The BYD Battery-Box Premium HVS 7.7 is a modular high-voltage lithium iron phosphate (LiFePO₄) battery designed for residential and commercial energy storage. With a usable capacity of 7.68 kWh, it supports scalable expansion up to 38.4 kWh via parallel connection. Its cobalt-free battery technology, high efficiency, and IP55 protection ensure safety, durability, and long-term reliability for on-grid, off-grid, and backup applications.
Technical Data & Specifications
Electrical Data
- Usable Energy: 7.68 kWh
- Nominal Voltage: 307 V
- Operating Voltage Range: 240 – 345 V
- Max. Output Current: 25 A
- Peak Output Current (5s): 50 A
- Round-Trip Efficiency: ≥96%
Mechanical Properties
- Battery Modules: 3 x HVS modules
- Dimensions (H × W × D): 945 × 585 × 298 mm
- Weight: 129 kg
- Installation Type: Floor-standing, stackable design
Operating Conditions
- Operating Temperature Range: -10°C to +50°C
- Protection Rating: IP55
- Battery Cell Technology: Lithium Iron Phosphate (LiFePO₄, cobalt-free)
- Communication Interfaces: CAN / RS485
Compatibility & Scalability
- Scalability: Up to 3 identical HVS units in parallel (max. 38.4 kWh)
- Compatible Inverters: Refer to the BYD Battery-Box Premium HVS Compatible Inverter List
Certifications & Standards
- Certification Standards: VDE 2510-50, IEC 62619, CEC, CE, UN38.3
- Applications: On-Grid, On-Grid + Backup, Off-Grid
Warranty
- Warranty: 10 years (conditions apply)
Key Features for Installers
✔ 7.68 kWh High-Voltage Battery – Scalable up to 38.4 kWh
✔ High Efficiency – ≥96% round-trip efficiency for optimal energy storage
✔ Advanced Safety – Cobalt-free LiFePO₄ technology and IP55 rating
✔ Flexible Energy Management – Supports on-grid, backup, and off-grid applications
✔ Modular & Expandable Design – Parallel connection for higher capacities
✔ Broad Inverter Compatibility – Works with leading high-voltage battery inverters
✔ High Efficiency – ≥96% round-trip efficiency for optimal energy storage
✔ Advanced Safety – Cobalt-free LiFePO₄ technology and IP55 rating
✔ Flexible Energy Management – Supports on-grid, backup, and off-grid applications
✔ Modular & Expandable Design – Parallel connection for higher capacities
✔ Broad Inverter Compatibility – Works with leading high-voltage battery inverters
Why Choose the BYD Battery-Box Premium HVS 7.7?
The BYD Battery-Box Premium HVS 7.7 is a high-performance modular energy storage system designed for residential and commercial applications. With high efficiency, advanced safety features, and flexible scalability, it provides a reliable and future-proof solution for energy independence.
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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