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Tesla's Powerwall 3 and Sungrow's SBR/SBH range are two of the most commonly shortlisted batteries in Perth — but they sit at different ends of the market. Tesla is a premium, US-owned all-in-one with an integrated inverter; Sungrow is a value-focused, modular Chinese-made system with a broad WA installer base. Below is a spec-led look at how they actually differ for a Western Australian home, not a verdict — the right pick depends on your usage, budget and backup needs.
Specifications, pricing and eligibility change over time — always confirm the current details with your installer.
A well-known, popular choice in Perth, positioned at the premium end. Recognised more for its integrated ecosystem and app than for being the cheapest option.
Origin
US-owned — one of the few widely-available batteries not Chinese-made.
Architecture
AC-coupled all-in-one. The Powerwall 3 includes its own inverter, so it works alongside (or in place of) your existing solar inverter rather than needing a separate hybrid unit.
Strengths
Things to weigh
Australian support
Established Australian operations and installer network.
WA rebate
WA-rebate eligibility depends on the specific system being on Synergy's Supported Solutions List — confirm the current listing before relying on the rebate.
Tends to suit
Buyers installing solar and battery together who want a single integrated unit and a familiar brand, and are comfortable paying a premium for it.
A strong value-for-money option with a broad WA installer base. Often shortlisted by buyers who want a proven brand without the premium price.
Origin
Chinese-made — a large, long-established global manufacturer that is one of the more popular and well-regarded local brands in the Perth market.
Architecture
Modular stackable storage (the SBR low-voltage and SBH high-voltage ranges) that pairs with a compatible Sungrow hybrid inverter — so battery and inverter are designed to work together.
Strengths
Things to weigh
Australian support
Established Australian office and support presence.
WA rebate
Sungrow systems are widely listed on Synergy's Supported Solutions List, which generally makes them a straightforward fit for WA-rebate eligibility — confirm the exact model with your installer.
Tends to suit
Value-focused buyers who want modular sizing, a strong track record, and a clean path to WA-rebate eligibility.
Answer a few quick questions and we'll match you with WA installers who quote on the systems that fit your usage, budget and backup needs — no guesswork.