BYD Battery Box HVB/HVS+/HVM+ - Battery Control Unit (BCU)
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The BYD Battery-Box BCU (Battery Control Unit) + Base is the indispensable "brain" of your energy storage system. Whether you choose the powerful HVB series, the efficient HVS+, or the flexible HVM+, this unit ensures vital communication between the battery modules and your inverter. The BCU manages advanced cell balancing, thermal management, and guarantees the safe operation of the entire system.
Thanks to its robust housing and smart software, you are assured of seamless integration with top inverters like Solis and GoodWe. The Base ensures stable floor mounting and correct grounding of the tower.
- Universal Control: Essential for HVS+, HVM+, and HVB system configurations.
- Robust Security: IP55 certified for indoor and outdoor use.
- Long Lifespan: Supports up to 15 years warranty (model dependent).
- Smart Monitoring: Automatic SOC detection and Remote Updates.
System Comparison: HVS+ vs. HVM+ vs. HVB
Choose the right setup for your project. The BCU controls these specifications:
| Specification | HVS+ (High Voltage) | HVM+ (High Capacity) | HVB (High Voltage Pro) |
|---|---|---|---|
| Warranty | 10 Years | 10 Years | 15 Years |
| Temperature Range | -10°C to +50°C | -10°C to +50°C | -20°C to +50°C |
| Battery Chemistry | LiFePO4 (Cobalt-free) | LiFePO4 (Cobalt-free) | LiFePO4 (Cobalt-free) |
| Max. Capacity | 38.4 kWh | 66.2 kWh | 89.07 kWh |
| IP Rating | IP55 | IP55 | IP55 |
What is included in the package?
The BCU + Base set delivery is complete for installation:
- 1x BYD Battery-Box BCU (Battery Control Unit)
- 1x Base (Floor plate for stable mounting)
- 1x Documentation set (Quick Start Guide)
- Mounting materials and screws
Note: Battery modules are sold separately.
Which inverters are compatible?
BYD Battery-Box systems work seamlessly with market leaders. For optimal performance, we recommend:
- Solis: Full hybrid support and communication.
- GoodWe: Excellent integration with ET/EH series.
- Other brands: Fronius, SMA, Kostal (always consult the latest compatibility list below).
What about safety and certification?
BYD is renowned for the safest LiFePO4 technology. The system features:
- VDE2510-50 & IEC62619: Highest safety standards.
- IP55: Protection against dust and water jets.
- UN38.3: Certified for safe transport.
Is this battery suitable for Dynamic Tariffs / Time-of-Use?
Absolutely. With over 6000 cycles and high-speed BMS communication, this system is perfect for "Time-of-Use" strategies. You can charge the battery during cheap energy hours and discharge it when prices are high. The robust design supports frequent cycling required for dynamic energy contracts.
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