Enphase home battery
Enphase IQ Battery 5P with FlexPhase
The Enphase IQ Battery 5P with FlexPhase is a home battery with 10 models on the Clean Energy Council approved list as at 23 Sept 2026, with usable capacity from 5 kWh.
Key specs
- Usable capacity
- 5.0 kWh
- Rated (continuous) output power
- Up to 3.84 kVA (1.28 kVA per phase)
- Coupling
- AC-coupled, six IQ8T-BAT Microinverters
- Phases
- Single-phase or three-phase (FlexPhase)
- Chemistry
- Lithium iron phosphate (LFP)
- Mounting
- Wall-mount or pedestal-mount
- Ambient operating temperature
- -20°C to 55°C
- IP rating - IQ Battery
- IP55
- Limited warranty
- >60% capacity, up to 15 years or 6000 cycles
Copied from Enphase's own datasheet, checked 9 Oct 2026. Figures can differ between models in the range. Open the datasheet · Enphase product page
Questions to ask installers about the IQ Battery 5P with FlexPhase
- Which size suits my usage, and is that usable capacity or nominal capacity?
- Which inverter will it run with, and does my existing solar need to change?
- Will it keep power on in a blackout, and which circuits are backed up?
- What does the warranty cover, for how long, and is there a throughput or cycle limit?
- Where will it be installed, and does that location suit its protection rating?
- Can I add capacity later, and can it join a virtual power plant?
Our home battery guide explains each of these, and the battery cost guide covers what affects the price.
Approved IQ Battery 5P with FlexPhase models
10 current models
| Model | Usable capacity | Nominal capacity | Approved until |
|---|---|---|---|
| IQBATTERY-5P-3P-INT-1.65-1P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-1.84-3P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-2.50-1P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-2.50-3P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-3.00-1P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-3.00-3P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-3.68-1P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-3.68-3P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-3.84-1P | 5 kWh | 5 kWh | 31 Dec 2027 |
| IQBATTERY-5P-3P-INT-3.84-3P | 5 kWh | 5 kWh | 31 Dec 2027 |
More from Enphase
Before you choose
Source: Clean Energy Council approved products lists, data as at 23 Sept 2026. Approval means a product meets the standards needed to be installed with government small-scale technology certificates (STCs). It isn't a recommendation, and Energy Quotes doesn't rank products. Check the manufacturer's datasheet and ask your installer before you buy.
Energy Quotes isn't affiliated with Enphase. Listing a product doesn't mean participating installers sell it. Mention it in the quote form and installers will tell you whether they can supply it.
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