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BYD B-Box Premium HVM 13.8 (13.8 kWh) Battery System Home battery High voltage 10 Years Product Warranty
The BYD Battery-Box Premium HVM 13.8 is a scalable high-voltage LiFePO₄ battery designed for on-grid, off-grid, and backup applications. With high efficiency, modular expansion up to 66.2 kWh, and advanced safety features, it ensures reliable and flexible energy storage.
| Quantity | Minimum | Sales unit | Escrow | Reviews | Availability | Price per pc. | Total price |
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20
pcs.
276 kWh
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1
pcs.
14 kWh
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78
Ratings
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In stock,
DE
ID: 146814
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70
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966 kWh
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14 kWh
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9
Ratings
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ID: 237141
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120
pcs.
1,656 kWh
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14 kWh
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47
Ratings
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ID: 111005
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32
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442 kWh
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14 kWh
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155
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ID: 107561
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24
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331 kWh
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14 kWh
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6
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AT
ID: 206583
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7
pcs.
97 kWh
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14 kWh
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155
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ID: 196956
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213
pcs.
2,939 kWh
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1
pcs.
14 kWh
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Piece |
47
Ratings
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as of 19.12.2025,
DE
ID: 241699
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306
pcs.
4,223 kWh
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1
pcs.
14 kWh
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Piece |
47
Ratings
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as of 30.01.2026,
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ID: 227657
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Performance data
| Type | Battery System |
| Capacity | 14 KWh |
| Efficiency | 96.0 % |
| Voltage | 256 V |
| Voltage min | 200 V |
| Voltage max | 288 V |
Measurements
| length | 298 mm |
| width | 585 mm |
| Height | 1.411 mm |
| weight | 205 kg |
Manufacturer warranty
| Product warranty | 10 years |
Certificates
CE
English
| Data Sheet |  |
| Guarantee | |
BYD Battery-Box Premium HVM 13.8 (13.80 kWh) – High-Voltage Battery Storage
Product Overview
The BYD Battery-Box Premium HVM 13.8 is a modular lithium iron phosphate (LiFePO₄) high-voltage battery designed for residential and commercial energy storage applications. With a usable capacity of 13.80 kWh, it can be expanded up to 66.2 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: 13.80 kWh
- Nominal Voltage: 256 V
- Operating Voltage Range: 200 – 288 V
- Max. Output Current: 40 A
- Peak Output Current (5s): 75 A
- Round-Trip Efficiency: ≥96%
Mechanical Properties
- Battery Modules: 5 x HVM modules
- Dimensions (H × W × D): 1411 × 585 × 298 mm
- Weight: 205 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:
- 3 to 8 HVM modules per stack (8.28 – 22.08 kWh)
- Up to 3 stacks in parallel (max. 66.2 kWh)
- Compatible Inverters: Refer to the BYD Battery-Box Premium HVM 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
✔ 13.80 kWh High-Voltage Battery – Scalable up to 66.2 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 HVM 13.8?
The BYD Battery-Box Premium HVM 13.8 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 HVM 8,3–66,2 kWh
The BYD Battery-Box Premium HVM is a modular high-voltage storage system with a capacity of 8.3 to 66.2 kWh. The cobalt-free LFP technology ensures maximum safety, high efficiency, and a service life of up to 10 years. Thanks to its modular design, the HVM series can be flexibly expanded and perfectly adapted to growing energy demands. Parallel connections allow easy scaling up to 66.2 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 HVM 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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