BYD Battery-Box HVS+ 7.7 (7.68kWh)
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The BYD Battery-Box HVS+ 7.7 is a premium, modular high-voltage battery system designed for maximum efficiency and safety in residential applications. Featuring a usable capacity of 7.68 kWh and a patented modular plug-and-play architecture, this system offers the perfect balance of performance and flexibility. Utilizing LiFePO4 (LFP) technology, it ensures a safe, cobalt-free storage solution with a long lifespan.
- High Capacity: 7.68 kWh usable energy with 100% Depth of Discharge (DOD).
- High Voltage (HV): Nominal voltage of 307.2 V for superior system efficiency.
- Safety First: Cobalt-free Lithium Iron Phosphate (LFP) technology with VDE2510-50 certification.
- High Performance: Continuous output up to 25 A and peak output up to 55 A (5s).
Technical Specifications
| Model | Battery-Box HVS+ 7.7 |
|---|---|
| Usable Capacity | 7.68 kWh |
| Technology | Lithium Iron Phosphate (LiFePO4) |
| Nominal Voltage | 307.2 V |
| Dimensions (H x W x D) | 987 x 610 x 282 mm |
| Weight | 129.6 kg |
| IP Rating | IP55 (Indoor and Outdoor installation) |
| Warranty | 10 Years |
Frequently Asked Questions (FAQ)
What is included in the package?
The delivery includes everything for a fully operational 7.7 system:
- 1x BCU (Battery Control Unit) + Base
- 3x BYD HVS+ Battery Modules
- 1x Smart WiFi/LAN Module
- 2x Power cable connectors & Terminal resistor
- Mounting hardware: Wall brackets (Hanger 1 & 2), screws (M4, M5, M8), adjustable feet, and rubber plugs.
- Documentation: Quick Start Guide & Certificates.
Which inverters are compatible?
The BYD HVS+ series works seamlessly with market-leading hybrid inverters. We recommend the following brands from our range for the most stable performance:
- Solis: S6 Series High Voltage Hybrid Inverters.
- GoodWe: ET series (15-30kW) and ET G2 series.
Always check the official compatibility list for the latest firmware requirements.
Is the HVS+ 7.7 expandable?
Yes, the system is highly flexible. You can expand the HVS+ 7.7 (which consists of 3 modules) up to a maximum of 5 modules in a single tower, resulting in a capacity of 12.8 kWh. Additionally, up to 3 identical towers can be connected in parallel for a total capacity of 38.4 kWh.
How safe is this system and where can it be installed?
Safety is at the core of BYD's design. The system uses LiFePO4 chemistry, which is thermally more stable than NMC batteries. The enclosure is IP55 rated, allowing for installation both indoors and outdoors (sheltered). The system complies with strict standards, including VDE2510-50, IEC62619, CE, and UN38.3.
Is this battery suitable for Time-of-Use / Dynamic pricing contracts?
Absolutely. The BYD HVS+ is perfectly suited for dynamic energy contracts. Due to its high voltage architecture and high C-rate capability, the system can quickly respond to price signals—charging from the grid when prices are low and discharging during peak price periods. This significantly improves the ROI of your energy system beyond just self-consumption.
View our full range of BYD home batteries for more configurations.
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