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Product specifications, pricing, and availability are subject to change without notice. We make no warranties regarding product performance, longevity, or suitability for your specific needs.
Always verify specifications with the manufacturer and installer before purchase. Warranty terms are set by manufacturers and may have conditions not disclosed here. Battery performance degrades over time.
sonnenBatterie series
sonnen sonnenBatterie — 1 CEC-listed configuration from 10 kWh usable capacity.
1 CEC-resolvable configuration.
| Usable capacity | Power | Weight | |
|---|---|---|---|
| 10 kWhClosest fit to WA rebate cap | — | — | Full specs |
The WA Battery Scheme pays $130 per kWh on the first 10 kWh, capped at $1,300. Capacities under 5 kWh receive nothing, and every capacity from 10 kWh up receives the same $1,300 — a larger battery does not earn a larger rebate. Whether a particular product qualifies also depends on it being Synergy-approved.
Figures come from each configuration's own CEC listing. SBP doesn't hold verified per-configuration pricing for this series — get an installed quote for exact pricing.
Chemistry
LFP
Round-trip efficiency
92.0%
Depth of discharge
90%
Warranty period
10 years
sonnen was one of the first home battery manufacturers. The eco series reflects a German engineering focus on build quality and long cycle life over minimum cost. The 10,000 cycle warranty is roughly 2-3x competitors and suits buyers thinking in decades, not years. The all-in-one design integrates battery, inverter, and energy management in a single cabinet. That simplifies installation and reduces potential failure points. Capacity ranges from 5kWh to 15kWh, suited to homes that prioritise quality over cost-per-kWh. Shell's 2019 acquisition brought additional financial resources while keeping the German manufacturing and engineering base. The sonnenCommunity platform enables peer-to-peer energy sharing where supported, although Australian functionality varies by state. The cells are LFP, paired with conservative charge/discharge rates that prioritise long cycle life over peak power. Early sonnen installations from 2016-2017 show minimal degradation, which is consistent with the design approach. For Perth buyers, sonnen suits owners who value German engineering and plan to stay in their home long term. The 10,000-cycle warranty can outlast typical home tenure, and may add resale value.
Country of origin
Unknown
Australian support
Not verified
Quotes come from verified Perth installers. Compare this series against your existing quote, or email us with specific questions.