Energy controllers / Enphase

Enphase IQ System Controller 3 INT

Required system component for IQ Battery 5P outage backup in the Australian owner guide.

Sources checked: United States, Australia, United Kingdom, Canada

Regional versions and model notes

Direct AU data-sheet retrieval returned HTTP 403; not retried or bypassed. Exact controller SKU/phase capability needs datasheet review.
Regional product listing is not site-specific grid approval. Tariffs, utility programmes and export permission are not assessed.
Qualified professional system design, electrical installation and commissioning required; no DIY wiring guidance.
No Apple Home, Google Home, Alexa or universal device compatibility inferred from brand, network connectivity or app support.
Transport protocols not verified for this exact regional component; empty protocol list means unknown, not absent.

What it can do

Compatible IQ Battery 5P/FlexPhase system, gateway communication and protected-load design.

Features and the setup they need.

Features, setup and recorded confirmation
Feature & setup	Confirmation & sources
Enphase App Manufacturer app Works with Enphase App. What you’ll need Compatible IQ Battery 5P/FlexPhase system, gateway communication and protected-load design. Use a compatible phone for this app.	✓ Manufacturer confirmed enphase.com · 2026-10-26 Enphase IQ Battery 5P with FlexPhase (INT) — product, support or regional documentation ↗Australia: support information available; local listing unconfirmed

Model and source notes

Direct AU data-sheet retrieval returned HTTP 403; not retried or bypassed. Exact controller SKU/phase capability needs datasheet review.
Regional product listing is not site-specific grid approval. Tariffs, utility programmes and export permission are not assessed.
Qualified professional system design, electrical installation and commissioning required; no DIY wiring guidance.
No Apple Home, Google Home, Alexa or universal device compatibility inferred from brand, network connectivity or app support.
Transport protocols not verified for this exact regional component; empty protocol list means unknown, not absent.

Enphase IQ Battery 5P with FlexPhase (INT) — product, support or regional documentation ↗enphase.com · checked 2026-10-26
Feature documentation · Model details · Australia: support information available; local listing unconfirmed
Enphase IQ System Controller 3 INT — product, support or regional documentation ↗enphase.com · checked 2026-10-26
United Kingdom: support information available; local listing unconfirmed

Features are based on the linked manufacturer documentation. Household results also check the equipment and software you select. How we check.