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Sigenergy and Sungrow are two of the more popular Chinese-made battery brands in Perth right now, and they're often shortlisted against each other. Both are modular, but they take different approaches: Sigenergy's SigenStor is a high-power DC tower with strong backup options, while Sungrow's SBR/SBH range pairs with its own widely-installed hybrid inverters at competitive value. Here's a fair, spec-led comparison for WA homes.
Specifications, pricing and eligibility change over time — always confirm the current details with your installer.
A rising challenger known for high-power, flexible SigenStor systems that combine inverter, battery and (optionally) EV charging in one stack.
Origin
Chinese-made — a newer but rapidly-growing brand that has gained strong traction in the Perth market.
Architecture
Modular DC-coupled 'tower' (SigenStor) that integrates the hybrid inverter and stackable battery modules, with strong three-phase and backup options at higher configurations.
Strengths
Things to weigh
Australian support
Has an Australian office and is regarded as well-supported locally.
WA rebate
Check the specific SigenStor configuration against Synergy's Supported Solutions List for WA-rebate eligibility — your installer can confirm.
Tends to suit
Buyers who prioritise power output, three-phase or whole-home backup, and an all-in-one stack, and are comfortable with a fast-growing newer brand.
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.