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Home battery · sonnen · CEC approved November 2025
CEC listing: sonnenBatterie Evo (AS4777-2 2020)
An 11 kWh home battery — smaller home size, the 10–15 kWh band.
Read from the figures on this page. No review written yet.
The numbers that matter for a home. The full datasheet is below.
Usable capacity
How much energy it stores for you to use
Continuous power
How much it can run at once — most of a home, but not everything at full tilt
Round-trip efficiency
How much of the energy you store comes back out
Depth of discharge
How much of the battery you can actually use
Warranty
80% of capacity guaranteed at the end of it
Battery chemistry
Lithium iron phosphate — the long-cycle-life type
Every figure on file for the sonnen sonnenBatterie, by section.
| Specification | Value |
|---|---|
| Cell & chemistry | |
| Chemistry | LFP |
| Capacity & power | |
| Nominal capacity | 11 kWh |
| Usable capacity | 11 kWh |
| Continuous power | 5 kW |
| Round-trip efficiency | 94.4% |
| Lifespan & degradation | |
| Capacity retained at year 10 | 80% |
| Warranted throughput | 100 MWh |
| Physical | |
| IP rating | IP56 |
| Operating environment | |
| Operating temperature | 5°C to 40°C |
Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.
sonnen offers a 10-year warranty on all defects in workmanship and materials for selected products, excluding damage from unauthorized modifications. Claims may be filed by the original purchaser.
10
years
100
MWh
40°
celsius
Level 0
No Backup
sonnen Australia
Direct manufacturer warranty. Australian consumer law applies.
Rated only to 40°C. Perth summers can get hotter than that, so it needs to go indoors or in a cooled space.
CSIP-AUS compliant
Inverter must be CSIP-AUS compliant under the current WA framework.
Synergy SSL approved inverter
Needs pairing with a Synergy SSL approved inverter.
VPP activation ready
VPP activation requires a Synergy SSL approved inverter.
WA Battery Scheme rebate
Requires Battery Rewards participation under the current WA framework.
Synergy Battery Rewards
Requires a CSIP-AUS compliant system and reliable internet.
Interest-free loan
Not eligible for interest-free financing.
Under current WA rules, new rebate applications require VPP enrolment and CSIP-AUS compliance. How the scheme works · Estimate VPP earnings
10 years in the Australian market
$9,900
Typical installed price, before rebates
The WA rebate is $0 here: its built-in inverter isn't on Synergy's approved list. STCs assume about $39.9 a certificate. Estimates only; your quote will vary.
Usable capacity, for one battery system
This battery is one unit in the smaller home band. The WA rebate caps at 10 kWh, but that is a rebate limit, not a sizing guide.
Estimated federal rebate (STCs) for this 11 kWh battery
The sonnen sonnenBatterie Evo against the closest-sized batteries from other brands.
| Specification | SolaX Power T-BAT H 12.0 V2SolaX Power | ||
|---|---|---|---|
| Usable capacity? | 11 kWh | 11 kWh | 11.04 kWhbest value |
| Continuous power? | 5 kW | Not verified | Not verified |
| Peak power? | Not verified | Not verified | Not verified |
| Round-trip efficiency? | 94%best value | 92% | 92% |
| Warranty | 10 years | Not verified | Not verified |
| Chemistry | LFP | LFP | LFP |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
Other CEC-approved products from SONNEN available in Australia.
sonnenBatterie Evo (AS4777-2 2020)
5 kW · 1φ
sonnenBatterie Hybrid 9.53/10 (AS4777-2 2020)
4.6 kW · 1φ
sonnenBatterie Hybrid 9.53/10 + sonnenProtect (AS4777-2 2020)
4.6 kW · 1φ
sonnenBatterie Hybrid 9.53/12.5 (AS4777-2 2020)
4.6 kW · 1φ
sonnenBatterie Hybrid 9.53/12.5 + sonnenProtect (AS4777-2 2020)
4.6 kW · 1φ
sonnenBatterie Hybrid 9.53/15 (AS4777-2 2020)
4.6 kW · 1φ
Get a quote from an installer from our network that covers your area. You choose whether to act on it. No obligation.
This model is one entry in the desk's index of solar batteries for Perth — every CEC-approved battery on one comparable dataset.
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.