Firefly Pro High Voltage Residential Battery — product view 1

Firefly Pro High Voltage Residential Battery — product view 2

Firefly Pro High Voltage Residential Battery — product view 3

Firefly Pro High Voltage Residential Battery

Categories：

CEC Listing Residential Energy Storage

Tag：

Residential High Voltage Residential Storage CEC Listed

Firefly Pro is a modular high voltage lithium iron phosphate (LiFePO4) battery system for residential energy storage. A battery control unit and three to eight stackable 2.5 kWh modules provide six configurations from 7.5 to 20 kWh nominal capacity.

Designed for use with compatible high voltage residential inverters, the system supports solar energy storage and household energy management. Backup operation depends on the selected inverter and installation configuration.

AUSTRALIA · APPROVED BATTERIES

CEC listed battery family

Firefly Pro-H3Firefly Pro-H4Firefly Pro-H5Firefly Pro-H6Firefly Pro-H7Firefly Pro-H8

All six models are listed as pre-assembled battery systems. Approved 10 December 2025; current listed expiry 31 December 2027. Listing checked 6 November 2026.

The listing covers these battery models. Inverter selection and installation requirements are assessed separately.

Check the official CEC register ↗

DataSheet

YOUR PROJECT. A CLEARER NEXT STEP.

Discuss Firefly Pro High Voltage Residential Battery.

Bring your site requirements to our Australian team. We will help identify the relevant model documents and configuration information.

Your starting configurationEnquire about this product View product documents

Documents for this product.

All product documents

DATASHEETFirefly Pro High Voltage Residential Battery — datasheetV1.3 · See document USER & INSTALLATION MANUALFirefly Pro installation and product manual (EN & AU)V1.3 · Australia (EN & AU)INVERTER COMPATIBILITYFirefly Pro inverter compatibility listV1.3 · 20 May 2025 · Europe and Australia WARRANTY TERMSFirefly battery warranty terms — AustraliaSee supplied terms · Australia SAFETY DATAFirefly Pro safety data sheet (SGS)CANEC24029678903 · See document

ENGINEERED FOR PERFORMANCE

Technical specifications

Explore the details behind the system.

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
Battery module	3	4	5	6	7	8
Nominal battery capacity	7.5 kWh	10.0 kWh	12.5 kWh	15.0 kWh	17.5 kWh	20.0 kWh
Usable battery capacity	6.75 kWh	9.0 kWh	11.25 kWh	13.5 kWh	15.75 kWh	18.0 kWh
Voltage	153.6 Vdc	204.8 Vdc	256 Vdc	307.2 Vdc	358.4 Vdc	409.6 Vdc
Battery voltage range	134.4-172.8 Vdc	179.2 - 230.4 Vdc	224 ~ 288 Vdc	268.8 ~ 345.6 Vdc	313.6 ~ 403.2 Vdc	358.4 ~ 460.8 Vdc
Maximum continuous charge/discharge current	50A
Dimension (WDH±2mm)	580364775mm	580364942mm	5803641110mm	5803641278mm	5803641446mm	5803641614mm
Weight (±0.2kg)	110kg	143kg	175kg	207kg	239kg	271kg
Communications	CAN / RS485 / Wi-Fi / Ethernet
Operating temperature	Charging: 0~50°C; Discharging: -20~50°C
Operating humidity	5~90% RH
Protection grade	IP55
Cooling mode	Natural cooling
Listing and certification documents	CEC listed battery models: Firefly Pro-H3 to H8. Refer to the current manufacturer datasheet for additional certification details.
Parallel operation	Up to 3 units of parallel operation/a total capacity of 60 kWh are supported at maximum