Firefly Pro High Voltage Home Energy Storage Battery
Firefly Pro is a high voltage home energy storage battery for larger solar systems, three-phase residential applications and compatible high-voltage hybrid inverters.
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.
How We Help You Use This Product
Use these points to compare product fit, explain the solution clearly, and build a more reliable home energy storage offer for your market.
High-Voltage Architecture
Designed for larger residential solar systems where high-voltage battery matching is required.
2.5kWh Module Granularity
Flexible 3-8 module configuration helps you match different backup-time and capacity targets.
Cloud and Communication Options
CAN, RS485, Wi-Fi and Ethernet support monitoring and integration by system design.
Technical Specifications
Use these figures for first-round product selection. Final configuration should be confirmed according to inverter model, local standards and project application.
| Model range | FireflyPro-H3 / H4 / H5 / H6 / H7 / H8 |
|---|---|
| Battery chemistry | LiFePO4 |
| Usable capacity | 7.5 / 10.0 / 12.5 / 15.0 / 17.5 / 20.0kWh |
| Battery modules | 3-8 modules; 2.5kWh per module |
| Nominal voltage | 153.6-409.6Vdc |
| Continuous current | 50A |
| Communication | CAN / RS485 / Wi-Fi / Ethernet |
| Operating temperature | Charge 0-50C; discharge -20-50C |
| Protection | IP55, natural cooling |
| Standards | CE-RED, CB, UN38.3, RoHS, IEC62619, IEC62040, UL1973, UL9540A, FCC-ID |
Application Fit
Firefly Pro fits larger homes and projects where a high-voltage hybrid inverter is part of the system design.
Larger Residential PV
For homes with stronger PV systems and higher backup expectations.
Three-Phase Homes
A better fit for markets where three-phase residential systems are common.
Premium Installations
Modular stack appearance and high-voltage design support a cleaner technical proposal.
Need full datasheets, pricing or compatibility confirmation?
Send us your target market, inverter brand, required capacity, quantity and certification needs. Our team will recommend a suitable product and document package.
Product FAQ
Find quick answers before you choose a model, match an inverter or request documents.
What capacity range is available?
Firefly Pro covers 7.5-20.0kWh per system, depending on the number of modules.
Does it require a high-voltage inverter?
Yes. It is designed for compatible high-voltage residential hybrid inverters.
Can the protocol be confirmed before order?
Yes. Send the inverter brand and model so the technical team can check communication compatibility.
Which documents are available?
Available certificates depend on model and market. Request the certificate package before final project confirmation.