Sigenergy Vs Growatt Battery

 


As solar adoption accelerates across Australia, more homeowners are adding battery storage to unlock energy independence, reduce bills, and provide backup during outages. But with many brands on the market, how do you choose? Two nameplate contenders in 2025 are Sigenergy (SigenStor) and Growatt (ALP / APX / ARK series). Let’s dig into technical specifications, compare real-world performance, and help you decide which might suit your home best.

Overview

Sigenergy is a relatively new but fast-growing player in the energy storage space. It offers integrated modular battery systems (SigenStor) and has quickly gained traction in the Australian market. Sigenergy claims strong sales and brand presence in Australia.

Growatt is more established globally in solar inverters and battery systems. In Australia, Growatt’s battery lines (ALP LV, APX HV, ARK, etc.) are well known among installers. Growatt modular and hybrid designs make it a favorite in both new installations and retrofits.

Each brand offers systems based on LiFePO₄ (Lithium Iron Phosphate) chemistry — known for safer thermal behaviour, long cycle life, and stable performance.

Real-World Considerations in Australia

While specs help, practical performance and experience matter for homeowners. Below are factors you’ll want to consider:

1. Compatibility & Retrofit Ease

  • Growatt’s modular batteries (e.g. ALP LV) are built to integrate smoothly with their inverter ecosystem, making retrofits or expansions easier.

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