Enphase IQ Battery 5P
Home battery · IQ Battery. Specs from the manufacturer page (checked ).

The Enphase IQ Battery 5P is a 5.0 kWh AC-coupled home battery system with 3.84 kW of continuous power. It delivers peak output of 7.68 kW for 3 seconds and 6.14 kW for 10 seconds. It is covered by a 15-year limited warranty up to 6,000 cycles and must be purchased through an authorized Enphase distributor.
Key features
- 5.0 kWh total usable energy capacity
- 3.84 kW continuous power; peak output 7.68 kW for 3 seconds and 6.14 kW for 10 seconds
- Six embedded IQ8D-BAT microinverters
- DC round-trip efficiency 96%; AC round-trip efficiency 90%
- Lithium iron phosphate (LFP) chemistry; 15-year limited warranty up to 6,000 cycles
- Grid-forming capability for backup operation with IQ System Controller 3/3G
- Remote monitoring and control from the Enphase App; supports backup, self-consumption and time of use (TOU) modes
- Cools passively with no moving parts or fans
What it is for
- Home backup
Specifications
| Capacity | 5000 Wh |
|---|---|
| Continuous output | 3840 W |
| Peak / surge | 7680 W |
| Expandable | Yes |
| Battery chemistry | LiFePO4 |
| Cycle life | 6000 cycles |
| Weight | 78.9 kg (173.9 lb) |
| Dimensions | 19.7 × 55.1 × 98.0 cm (7.8 × 21.7 × 38.6 in) |
| Warranty | 15 years |
From the Enphase page. Values the manufacturer does not publish are left out.
How long it runs common appliances
| Appliance | Watts | Runs? | Hours |
|---|---|---|---|
| Refrigerator (with freezer) | 120 W (600 start) | yes | 3.9 days |
| Chest freezer | 100 W (500 start) | yes | 5.5 days |
| CPAP (no humidifier) | 35 W (40 start) | yes | 4.7 days |
| Gas boiler (pump + controls) | 120 W (300 start) | yes | 66 h |
| Wi-Fi router + modem/ONU | 12 W | yes | 13.8 days |
| Starlink (standard dish) | 60 W (100 start) | yes | 66 h |
| TV 50" | 75 W | yes | 53 h |
| Sump pump 1/2 HP | 920 W (2150 start) | yes | 4.3 h |
| Well pump 1/2 HP | 880 W (2000 start) | yes | 4.5 h |
| Space heater 1500 W | 1500 W | yes | 3.8 h |
Assumes 88 % inverter efficiency, 90 % usable capacity and typical duty cycles. Build your own list in the calculator.
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Connection and wiring
Follow the diagrams in the Enphase manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.
Open the Enphase manual (PDF) →
Error codes and troubleshooting
We found no error-code table in this manual. Its troubleshooting section is the reference.
FAQ
How long will the Enphase IQ Battery 5P run a refrigerator?
About 94 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.
Can the Enphase IQ Battery 5P start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 7680 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.