
BYD HVB 17.8 Battery Box - 17.82 KWH
The BYD Battery-Box HVB 17.8 is a powerful high-voltage battery storage system for private and commercial photovoltaic systems. With a usable storage capacity of 17.82 kWh and the proven lithium iron phosphate (LiFePO₄) technology, the system offers maximum safety, high efficiency, and a long service life.
Thanks to its modular design, the Battery-Box HVB can be flexibly expanded and adapted to increasing energy requirements. The compact design allows for space-saving installation, while the cobalt-free battery cells ensure maximum operational safety and thermal stability.
In combination with compatible hybrid inverters, the BYD Battery-Box HVB 17.8 is ideal for self-consumption optimization, backup applications, and emergency power solutions. The system impresses with high flexibility, easy expandability, and the proven quality of the BYD Battery-Box series.
Compatibility note:
The BYD Battery-Box HVB storage systems are compatible with hybrid inverters from leading manufacturers such as Kostal, Fronius, GoodWe, SMA, and Solis. The current compatibility list for HVB can be found in the "Downloads" section on this product page.

High Safety
BYD Blade Battery Technology
The BYD Blade battery technology in combination with the innovative Cell-to-Pack (CTP) structure ensures maximum safety and stability. The sophisticated battery design offers high protection against thermal influences and guarantees reliable operation over the entire service life of the storage system.
Lightweight and Compact Design
Easy Installation and Flexible Expansion
With only 27.3 kg per 2.97 kWh battery module, the BYD Battery-Box HVB allows for easy handling, quick installation, and flexible expansion of the storage system. The compact design simplifies transport, assembly, and subsequent system expansions.

15 Years Manufacturer's Warranty
Long-term Investment Security
The BYD Battery-Box HVB Series impresses with its highest quality and durability. Thanks to the 15-year manufacturer's warranty, you benefit from long-term investment security and a reliable energy storage system for many years.
TECHNICAL CHARACTERISTICS
Model Name: BYD Battery-Box HVB (6 Modules)
Battery Cell Type: Lithium Iron Phosphate (LiFePO₄)
Energy / Capacity: 17.8 kWh usable (6 modules)
Number of Battery Modules: 6 per system
Nominal Voltage: approx. 307.2 V
Operating Voltage: 240–345.6 V
Charge/Discharge Current: Depending on configuration, optimized for high efficiency
Depth of Discharge (DoD): 95% usable capacity
Short-Circuit Current: Protection integrated
Communication Interface: CAN / RS485
Over/Under Voltage Protection: Integrated
Overcurrent Protection: Integrated
Over/Under Temperature Protection: Integrated
DC Disconnect Switch: External switch required
Dimensions & Weight: 903 × 610 × 282 mm / 177.9 kg
Operating Location: Indoor and outdoor use
Operating Temperature / Humidity: –10 °C to +50 °C / max. 95% RH (non-condensing)
Protection Class: IP55
Cooling Type: Natural convection (passive)
Mounting Type: Floor mounting (mandatory)
Scalability: Up to 10 modules per system (29.6 kWh), max. 3 systems in parallel (89.07 kWh)
Warranty: 15 years
