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Home battery · Hiconics · MH-BAT series · CEC approved July 2026

Hiconics MH-BAT21-HPE-Pro

A 20.58 kWh home battery. Medium home size, the 20 to 30 kWh band.

Installed in Perth, after rebates: ~$13,654Estimate, modelled from its size, Feb 2026 rates
WA Battery Scheme rebate: Depends on your inverterThe scheme needs a Synergy-approved inverter; we don't know yours
Usable capacity: 20.58kWh
Warranty: 10yrs

Datasheet (PDF)

MH-BAT21-HPE-Pro: the short answer

In the MH-BAT seriesOne of 15 sizes, from 5 to 50 kWh: 20.58kWhOne of 15 sizes, from 5 to 50 kWh
WA Battery SchemeThe scheme needs a Synergy-approved inverter; we don't know yours: ConditionalThe scheme needs a Synergy-approved inverter; we don't know yours

Other sizes in the MH-BAT series

What we can tell you

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

20.58 kWh sits in the medium home band (20 to 30 kWh).
It is CEC-approved, which is a condition of both the federal STC discount and the WA Battery Scheme.

Key specs, in plain terms

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

Usable capacity: 20.58kWh; How much energy it stores for you to use
Continuous power: Not on file: we don't have this figure from the manufacturer's documents yet; How much it can run at once
Round-trip efficiency: 98%; How much of the energy you store comes back out
Warranty: 10yr; 60% of capacity guaranteed at the end of it
Battery chemistry: LFP; Lithium iron phosphate, the long-cycle-life type
Size and weight: 1134 × 1762 × 30mm; Roughly a large suitcase on the wall; weight not on record

Not on file: we don’t have this figure from the manufacturer’s documents yet, so we leave it blank rather than print a typical value. Ask your installer to confirm it on the quote. Seen it in a document? Tell us

Warranty and support

This warranty covers the Hiconics ESS products for 10 years, ensuring at least 60% capacity retention over this period. Claims must follow the specified process.

Product: 10 years; transferable; full replacement
At year 10: At least 60% of capacity
Throughput: 98.3 MWh
Installation: Must be installed by an SAA-accredited installer
Support: Not verifiedWe 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.

Warranty document Datasheet Compare warranties

WA Battery Scheme eligibility

Conditional

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

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

Full datasheet

Every figure on file for the Hiconics MH-BAT, by section.

Cell & chemistry

Chemistry: LFP

Capacity & power

Round-trip efficiency: 97.8%

Lifespan & degradation

Cycle life: 6000 cycles
Capacity retained at year 10: 60%
Warranted throughput: 98.3 MWh

Physical

Dimensions (H×W×D): 1134 × 1762 × 30 mm
IP rating: IP66

Operating environment

Operating temperature: -20°C to 55°C

Installation requirements

Top clearance: 65 mm
Side clearance: 95 mm
Front clearance: 65 mm
AC breaker: 32 A
Cable gauge: 6 mm²
Earthing method: PE Connection
DNSP pre-approval: Yes
Estimated install time: 6 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.

Documents

Fault & error codes — Hiconics MH-BAT

Extracted from the installation manual

12 documented

Showing 12 of 12. The official install manual is the authoritative source — always confirm before acting.

Battery overcurrent alarmcriticalCall your installer
Manual (PDF)
Excessive current flow through the battery.
Likely cause
Heavy load or malfunction in current control.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.
Battery overtemperature alarmcriticalCall your installer
Manual (PDF)
Battery temperature exceeds safe limits.
Likely cause
Poor ventilation or heavy load.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.
Battery overvoltage alarmcriticalCall your installer
Manual (PDF)
Battery voltage is too high.
Likely cause
External current flow or internal battery malfunction.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.
Battery SOC too highcriticalCall your installer
Manual (PDF)
State of charge is exceeding safe levels.
Likely cause
Malfunction or improper settings.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.
Battery SOC too lowcriticalCall your installer
Manual (PDF)
State of charge is below minimum safe levels.
Likely cause
Battery over-discharge.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.
Battery under temperature alarmcriticalCall your installer
Manual (PDF)
Battery temperature is too low.
Likely cause
Very cold ambient conditions.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.
Battery undervoltage alarmcriticalCall your installer
Manual (PDF)
Battery voltage is too low.
Likely cause
Battery discharge beyond minimum voltage level.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.
Battery voltage difference too largecriticalCall your installer
Manual (PDF)
Voltage difference between battery cells exceeds limit.
Likely cause
Uneven charge distribution or malfunction.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.
BMS communication failurecriticalCall your installer
Manual (PDF)
The Battery Management System communication is lost.
Likely cause
Connection or communication error.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the issue continues.
DSP communication failurecriticalCall your installer
Manual (PDF)
The Digital Signal Processor can't communicate correctly.
Likely cause
Internal communication error.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, then reconnect them after 5 minutes. Contact the dealer if the problem persists.
NVM checksum failurecriticalCall your installer
Manual (PDF)
There is an issue with the non-volatile memory checksum.
Likely cause
Possible internal fault or data corruption.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, then reconnect them after 5 minutes. Contact the dealer if the problem persists.
Temperature difference too largecriticalCall your installer
Manual (PDF)
Temperature readings from battery cells are inconsistent.
Likely cause
Internal sensor issue or uneven cooling.
What to do
Disconnect the AC output switch, DC input switch, and Battery switch, reconnect after 5 minutes. Contact the dealer if the problem persists.

About Hiconics

Years in the Australian market: 4+ (CEC-approved products since 2022)
Local support: Not verified
CEC-listed products: 41 models

View full profile →

What it costs in Perth

$18,522

Estimated installed price, before rebates

Estimatemodelled from its sizeFeb 2026 rates

WA Battery Scheme: Depends on your inverter
Federal STCs: −$4,868
You’d pay about: $13,654

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. Estimated installed price, modelled from its size at February 2026 rates. Installer quotes vary.

Explore your options

Which size band is your home?

Usable capacity, for one battery system

Smaller home: 10 to 15 kWh
Medium home: 20 to 30 kWh
Big home: 30 to 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 20.58 kWh battery

How it compares

The Hiconics MH-BAT21-HPE-Pro against the closest-sized batteries from other brands.

Specification	Hiconics MH-BAT21-HPE-ProHiconics	Midea MEBC2-B21H-AIO-ProMidea	Midea MEBC2-B21H-ProMidea

Usable capacity?	20.58 kWh	20.58 kWh	20.58 kWh
Continuous power?	Not verified	Not verified	Not verified
Peak power?	Not verified	Not verified	Not verified

Round-trip efficiency?	98%	Not verified	Not verified
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.

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