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Home battery · FoxESS · CEC approved June 2026
An 11.52 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
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
70% of capacity guaranteed at the end of it
Battery chemistry
Lithium iron phosphate — the long-cycle-life type
Every figure on file for the FoxESS EP12 Plus (w), by section.
| Specification | Value |
|---|---|
| Cell & chemistry | |
| Chemistry | LFP |
| Lifespan & degradation | |
| Capacity retained at year 10 | 70% |
| Warranted throughput | 1492 MWh |
| Physical | |
| IP rating | IP65 |
| Installation requirements | |
| Top clearance | 300 mm |
| Side clearance | 300 mm |
| Front clearance | 300 mm |
| AC breaker | 30 A |
| Cable gauge | 15 mm² |
| Earthing method | Ground Terminal |
| DNSP pre-approval | No |
| Estimated install time | 4 hrs |
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.
This warranty covers Fox ESS batteries for 10 years, ensuring 70% capacity retention. Claims for defects must be reported to an accredited installer.
10
years
1492
MWh
45°
celsius
Level 0
No Backup
FoxESS Australia
Direct manufacturer warranty. Australian consumer law applies.
Rated to 45°C. Give it a shaded or indoor spot through Perth summers.
This battery is AC-coupled. To get the WA rebate, the interest-free loan, VPP payments or DEBS export credits, it needs a gateway device from Synergy's approved list (for example SMA or Redback), or an inverter and battery from the same brand (Sungrow or Fronius). Without one, exports are capped at 1.5kW.
Some third-party gateways struggle to pass compliance testing, and adding anything to an AC-coupled system later means the whole system has to be re-checked. For many homes, switching to a hybrid (DC-coupled) inverter is the simpler path. AC vs DC coupling
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
7 years in the Australian market
$8,400
Typical installed price, before rebates
The WA Battery Scheme (up to $1,300) needs a Synergy-approved inverter and VPP enrolment. We don't know which inverter you'd pair this with, so it isn't deducted above — ask your installer. 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 11.52 kWh battery
The FoxESS EP12 Plus (w) against the closest-sized batteries from other brands.
| Specification | FoxESS EP12 Plus (w)FoxESS | Energizer PS2900H-4Energizer | Solplanet Ai-HB 125ASolplanet |
|---|---|---|---|
| Usable capacity? | 11.52 kWh | 11.52 kWh | 11.52 kWh |
| Continuous power? | Not verified | Not verified | Not verified |
| Peak power? | Not verified | Not verified | Not verified |
| Round-trip efficiency? | 92% | 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 FOXESS available in Australia.
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.