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Premium ClassLiFePO4AC CoupledData Confidence: High

Enphase

IQ Battery 5P

The Enphase IQ 5P is a modular, AC-coupled battery system designed to integrate seamlessly with existing Enphase microinverter solar arrays. Its 5 kWh building blocks offer unmatched granularity for sizing systems to exact household needs.
Size This System for Your Home
Data verified 2026-05-12
Best Considered For
  • Homes already equipped with Enphase microinverters
  • Projects requiring precise, modular capacity sizing
  • Installations where wall space is fragmented
May Be Less Suitable When
  • Off-grid systems requiring massive DC charging
  • Non-Enphase inverter setups

Engineering Verdict

The distributed architecture of the IQ 5P is its strongest engineering asset. By utilizing six integrated microinverters per unit, it eliminates the single point of failure found in traditional centralized battery inverters. The 3.84 kW continuous output from a mere 5 kWh capacity yields an excellent C-rate, making it highly capable of handling sudden load spikes. It is best considered where reliability and modularity outrank brute-force single-unit capacity.

Real-World Considerations

The AC-coupled nature introduces minor conversion losses compared to high-voltage DC systems. However, the 15-year standard warranty provides significant peace of mind. The system is heavily reliant on the Enphase App and System Controller for coordination during grid outages.

Installation Notes

At 66 kg, the 5P is considerably easier to maneuver than 10+ kWh monoliths, often allowing for a single-person installation. Wiring is simplified via the Enphase communications bus. Always verify that your main panel can handle the aggregate AC output if stacking multiple units.

Technical Specifications

Usable Capacity

4.96 kWh

Continuous Output

3.84 kW

Peak Output

7.68 kW (3s)

Chemistry

LiFePO4

Official Sources

Links lead directly to official manufacturer or regulator documentation. BatteryBlueprint does not use affiliate links for hardware specifications.

Economics

Estimated Cost

$3,500 - $5,000 (Per unit)

Reliability

Warranty

15 Years

Cycle Life (Est.)

6,000

End of Life Capacity

60% Retention

Certifications

UL 9540UL 1741
Physical Specs
Weight66 kg
Dimensions980h x 550w x 188d mm
IP RatingIP55
Temp Range-15°C to 55°C
LocationBoth

Disclaimer: Battery specifications are provided for planning and educational purposes only. Always verify compatibility, certification, warranty terms, and installation requirements with the manufacturer and a qualified installer before purchasing. BatteryBlueprint compiles this data from publicly available datasheets and official manufacturer releases; specifications may change without notice or vary by local grid regulations.