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Home battery · Ecactus · CEC approved July 2025

Ecactus WH-BXC4992-6S

A 29.95 kWh home battery — medium home size, the 20–30 kWh band.

Installed in Perth, after rebates: ~$20,810; Typical estimate — your own quote will vary
WA Battery Scheme rebate: Depends on your inverter; The scheme needs a Synergy-approved inverter — we don't know yours
Usable capacity: 29.95kWh; Medium home size — the 20–30 kWh band

Datasheet (PDF)See the whole Myrtillo series

What we can tell you

Read from the figures on this page. No review written yet.

29.95 kWh sits in the medium home band (20–30 kWh).
It is CEC-approved, which is a condition of both the federal STC discount and the WA Battery Scheme.
We can't score it: a value score needs a price and full specs, and without them any number would be guesswork.

Key specs, in plain terms

The numbers that matter for a home. The full datasheet is below.

Usable capacity How much energy it stores for you to use: 29.95kWh
Continuous power How much it can run at once — enough for a whole home, air conditioning included: 12kW
Round-trip efficiency How much of the energy you store comes back out: 90%
Depth of discharge How much of the battery you can actually use: 90%
Warranty 80% of capacity guaranteed at the end of it: 10yr
Battery chemistry Lithium iron phosphate — the long-cycle-life type: LFP

Full datasheet

Every figure on file for the Ecactus Myrtillo, by section.

Full datasheet, by section
Specification	Value
Cell & chemistry
Chemistry	LFP
Capacity & power
Nominal capacity	29.95 kWh
Usable capacity	29.95 kWh
Continuous power	12 kW
Peak power	12 kW
Depth of discharge	90%
Round-trip efficiency	90%
Nominal voltage	576 V
Lifespan & degradation
Cycle life	10000 cycles
Capacity retained at year 10	80%
Warranted throughput	25 MWh
Modularity & stacking
Modular / stackable	Yes
Maximum stack	29.95 kWh
Backup & grid services
Backup capable	No
VPP ready	No
Physical
Dimensions (H×W×D)	2100 × 600 × 350 mm
Weight	354 kg
IP rating	IP65
Operating environment
Operating temperature	-20°C to 55°C
Installation requirements
AC breaker	63 A

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.

Documents

Warranty and support

Warranty terms and Australian support structure.

This warranty covers manufacturing defects for 10 years. Claims are made through the support email. Warranty voids include non-accredited installs.

Duration

years

Throughput

MWh

Max Temp

55°

celsius

Max Backup

Level 0

No Backup

Australian support structure

Not verified

We have not verified this brand's Australian support structure. Confirm warranty arrangements with the manufacturer or your installer.

Perth heat

Rated to 55°C, which covers Perth's hottest days.

Key warranty terms

•Depth of Discharge: 90% usable capacity
•Round-trip Efficiency: 90% rated
•Annual Degradation: ~2.5% per year expected
•Installation: Must be installed by SAA-accredited installer
•Operating Conditions: -20°C to 55°C

✓ TransferablePro-rata≥80% capacity at year 10

Warranty Document Datasheet Compare Warranties

WA Battery Scheme eligibility

Check eligibility

Synergy SSL inverter pairing, VPP participation and state-rebate qualification for this battery. Rebate and STC amounts are shown in the pricing panel.

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

About ECACTUS

View Full Profile →

Years in AU Market2+ years

Local SupportNot verified

CEC-Listed Products18 models

2yr AU

CEC-approved products since 2024

2 years in the Australian market

Fault & error codes — Ecactus Myrtillo

Extracted from the installation manual

3 documented

Showing 3 of 3. The official install manual is the authoritative source — always confirm before acting.

DSP faultcriticalCall your installer
Manual (PDF)
Digital Signal Processing fault
Likely cause
Internal communication error in the device's control system
What to do
Turn off the system and contact the manufacturer for assistance.
Battery com. faultwarning
Manual (PDF)
Battery communication fault
Likely cause
Issue in communication between the battery and inverter
What to do
Check battery connections, and if the problem persists, contact the installer.
Meter com. faultwarning
Manual (PDF)
Meter communication fault
Likely cause
Communication issue with the energy meter
What to do
Verify the connections of the meter; if issues continue, consult the installer.

What it costs in Perth

$26,955

Typical installed price, before rebates

WA Battery Scheme: Depends on your inverter
Federal STCs: −$6,145
You’d pay about: $20,810

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.

Explore your options

Which size band is your home?

Usable capacity, for one battery system

Smaller home: 10–15 kWh
Medium home: 20–30 kWh
Big home: 30–40 kWh
Very big home: 40+ kWh

This battery is one unit in the medium home band. The WA rebate caps at 10 kWh, but that is a rebate limit, not a sizing guide.

Does waiting change the rebate?

Estimated federal rebate (STCs) for this 29.95 kWh battery

How it compares

The Ecactus WH-BXC4992-6S against the closest-sized batteries from other brands.

Specification	Ecactus WH-BXC4992-6SEcactus	FoxESS CQ6-L5FoxESS	Whes BXC-4.992kWh-6SWhes

Usable capacity?	29.95 kWh	29.95 kWh	29.952 kWhbest value
Continuous power?	12 kW	Not verified	Not verified
Peak power?	12 kW	Not verified	Not verified

Round-trip efficiency?	90%	92%best value	92%best value
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.

Want to take the next step?

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 Information Disclaimer:

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.