High-voltage home battery
Firefly Pro High Voltage LiFePO4 Battery System
A high voltage LiFePO4 battery system for larger solar systems, three-phase residential applications and compatible high-voltage hybrid inverters.
Model range: FireflyPro-H3 / H4 / H5 / H6 / H7 / H8
Product overview
A high-voltage platform for premium residential storage
Firefly Pro is suited to projects that need higher system voltage, more usable energy and a clean modular structure. It should be paired with a compatible high-voltage residential hybrid inverter.
- Designed for larger residential solar systems where high-voltage battery matching is required
- Flexible 3-8 module configuration supports different backup-time and capacity targets
- 2.5kWh module granularity helps match project-level energy requirements
- CAN, RS485, Wi-Fi and Ethernet support monitoring and integration by system design
Product Core Advantages
Two core reasons Firefly Pro is the premium CVC Energy high voltage home energy storage battery for larger residential solar projects.
A high-voltage home energy storage battery for larger, more beautiful installations
Firefly Pro supports 7.5-20kWh usable capacity with a clean modular stack, making it a premium high voltage home energy storage battery for villas, larger residential PV systems and stronger backup expectations.
2.5kWh module granularity for accurate project-level configuration
The 3-8 module design helps installers match backup time, inverter requirements and budget more precisely, giving channel partners a flexible LiFePO4 battery platform for high-value residential storage projects.
Product strengths
How CVC Energy helps you position this battery
Use these product points to compare fit, explain the solution clearly, and build a reliable high-voltage residential-storage offer for your market.
High-voltage architecture
A practical platform for projects that require high-voltage battery matching.
2.5kWh module granularity
Build 7.5-20.0kWh usable-capacity configurations from 3-8 battery modules.
Cloud and communication options
CAN, RS485, Wi-Fi and Ethernet support monitoring and integration by system design.
Technical specifications
Technical specifications
Use these figures for first-round product selection. Final configuration should be confirmed according to inverter model, local standards and project requirements.
| Model | Firefly Pro-H3 | Firefly Pro-H4 | Firefly Pro-H5 | Firefly Pro-H6 | Firefly Pro-H7 | Firefly Pro-H8 |
|---|---|---|---|---|---|---|
| Battery module | 2.5kWh / 32kg / LiFePO4 per module | |||||
| Battery modules | 3 | 4 | 5 | 6 | 7 | 8 |
| Usable capacity | 7.5kWh | 10.0kWh | 12.5kWh | 15.0kWh | 17.5kWh | 20.0kWh |
| Voltage | 153.6Vdc | 204.8Vdc | 256Vdc | 307.2Vdc | 358.4Vdc | 409.6Vdc |
| Battery voltage range | 134.4-172.8Vdc | 179.2-230.4Vdc | 224-288Vdc | 268.8-345.6Vdc | 313.6-403.2Vdc | 358.4-460.8Vdc |
| Maximum continuous charge / discharge current | 50A | |||||
| Dimensions (W × D × H ±2mm) | 580 × 364 × 775mm | 580 × 364 × 942mm | 580 × 364 × 1110mm | 580 × 364 × 1278mm | 580 × 364 × 1446mm | 580 × 364 × 1614mm |
| Weight (±0.2kg) | 110kg | 143kg | 175kg | 207kg | 239kg | 271kg |
| Communications | CAN / RS485 / Wi-Fi / Ethernet | |||||
| Operating ambient temperature | Charge: 0-50°C; discharge: -20-50°C | |||||
| Operating humidity | 5-90% RH | |||||
| Protection grade | IP55 | |||||
| Cooling method | Natural cooling | |||||
| Certification and safety standards | CE-RED / CB / UN38.3 / RoHS / IEC62619 / IEC62040 / UL1973 / UL9540A / FCC-ID | |||||
| Parallel operation | Up to 3 units can operate in parallel, supporting a maximum total capacity of 60kWh. | |||||
| Technical notes: Charge/discharge mode: CC-CV/CC. Actual available energy varies with ambient temperature, operating power and power-module efficiency. Charging is derated at ambient temperatures from -10°C to 15°C. | ||||||
Standard models support prompt initial supply. Volume orders are produced against confirmed specifications, with a typical lead time of 15-45 days depending on model, quantity, customization, documentation requirements and destination. Final configuration, MOQ, delivery and warranty terms are confirmed in the quotation.
Need full datasheets, pricing or compatibility confirmation?
Tell CVC Energy your target capacity, inverter model and destination market. We will confirm the suitable configuration and commercial details.
Download the available datasheet, technical parameters or installation documents from the CVC Energy Download Center.