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Home battery · Energizer · CEC approved April 2024

Energizer PS2900H-4

An 11.52 kWh home battery — smaller home size, the 10–15 kWh band.

Installed in Perth, after rebates: ~$7,832; 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: 11.52kWh; Smaller home size — the 10–15 kWh band

Datasheet (PDF)See the whole Powerstack series

What we can tell you

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

11.52 kWh sits in the smaller home band (10–15 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: 11.52kWh
Round-trip efficiency How much of the energy you store comes back out: 95%
Depth of discharge How much of the battery you can actually use: 90%
Warranty 90% of capacity guaranteed at the end of it: 10yr
Battery chemistry The cell type inside it: LiFePO4 Prismatic Cell
Size and weight 590 × 570 × 380 mm — roughly a large suitcase on the wall: 131.9kg

Full datasheet

Every figure on file for the Energizer Powerstack, by section.

Full datasheet, by section
Specification	Value
Cell & chemistry
Chemistry	LiFePO4 Prismatic Cell
Cell type	Prismatic
Capacity & power
Nominal capacity	11.52 kWh
Continuous power	0 kW
Peak power	0 kW
Depth of discharge	90%
Round-trip efficiency	95%
Nominal voltage	230.4 V
Lifespan & degradation
Cycle life	6000 cycles
Capacity retained at year 10	90%
Warranted throughput	2000 MWh
Modularity & stacking
Modular / stackable	Yes
Maximum stack	20.16 kWh
Backup & grid services
Backup capable	No
VPP ready	No
Physical
Dimensions (H×W×D)	590 × 570 × 380 mm
Weight	131.9 kg
IP rating	IP65
Operating environment
Operating temperature	-10°C to 55°C
Installation requirements
Cable gauge	6 mm²

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.

The Energizer Solar Powerstack has a 10-year warranty covering defects, with the major exclusion being non-accredited installation. Claims can be made via customer support.

Duration

years

Throughput

2000

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: 95% rated
•Annual Degradation: ~2.5% per year expected
•Installation: Must be installed by SAA-accredited installer
•Operating Conditions: -10°C to 55°C

✓ TransferableFull replacement≥90% 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 Energizer

View Full Profile →

Years in AU Market3+ years

Local SupportNot verified

CEC-Listed Products6 models

3yr AU

CEC-approved products since 2023

3 years in the Australian market

Fault & error codes — Energizer Powerstack

Extracted from the installation manual

20 documented

Showing 20 of 20. The official install manual is the authoritative source — always confirm before acting.

10min Volt Faultcritical
Manual (PDF)
The grid voltage is out of range for the last 10 Minutes.
Likely cause
Persistent abnormal voltage levels from the grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Grid Freq Faultcritical
Manual (PDF)
Grid frequency out of range.
Likely cause
Frequency wave fluctuation from the power grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Grid Lost Faultcritical
Manual (PDF)
Grid is lost.
Likely cause
Loss of connection to the power grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Grid Volt Faultcritical
Manual (PDF)
Grid voltage out of range.
Likely cause
Voltage being too high or too low from the power grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Ground FaultcriticalCall your installer
Manual (PDF)
The ground connection is failed.
Likely cause
Issue with the ground wiring or connections.
What to do
Check the voltage of neutral and PE. Check AC wiring. Disconnect PV, grid, and battery, then reconnect. Seek help if necessary.
Iso FaultcriticalCall your installer
Manual (PDF)
The isolation is failed.
Likely cause
Damaged insulation of electric wires.
What to do
Check if the insulation of electric wires is damaged. Wait for a while to see if it returns to normal. Seek help if necessary.
PLL_OverTimecritical
Manual (PDF)
Three-phase system access single-phase AC.
Likely cause
Improper connection to the AC grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Res Cur FaultcriticalCall your installer
Manual (PDF)
The residual current is high.
Likely cause
Faulty insulation or a short circuit.
What to do
Check if the insulation of electric wires is damaged. Wait for a while to see if it returns to normal. Seek help if needed.
Bat Volt Faultwarning
Manual (PDF)
Battery voltage fault.
Likely cause
Battery voltage is too low or too high.
What to do
Check if the battery input voltage is within the normal range. Seek help if necessary.
DCI Faultwarning
Manual (PDF)
DC component is out of limit in output current.
Likely cause
Unbalanced current levels at the DC output.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
Eps Over Loadwarning
Manual (PDF)
Over load in off grid mode.
Likely cause
Load power exceeds inverter capacity in EPS mode.
What to do
Check if the EPS load power exceeds the limit. Seek assistance if necessary.
HW Inv Cur Faultwarning
Manual (PDF)
Output current high detected by hardware.
Likely cause
Excessive current draw by the system or load.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
Over Load Faultwarning
Manual (PDF)
Over load in on grid mode.
Likely cause
Load power exceeds inverter limit.
What to do
Check if the load power exceeds the limit. Seek assistance if necessary.
Pv Volt Faultwarning
Manual (PDF)
PV voltage out of range.
Likely cause
The output voltage of PV panels is not within specifications.
What to do
Check the output voltage of PV panels. Seek help if necessary.
SW Bat Cur Faultwarning
Manual (PDF)
Battery current high detected by software.
Likely cause
Excessive current draw from the battery.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
SW Bus Vol Faultwarning
Manual (PDF)
Bus voltage out of range detected by software.
Likely cause
Voltage irregularities on the system bus.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
SW Inv Cur Faultwarning
Manual (PDF)
Output current high detected by software.
Likely cause
Excessive current draw by the system or load.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
SW Pv Cur Faultwarning
Manual (PDF)
PV input current high detected by software.
Likely cause
Excessive current draw from the PV input.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
Temp Faultwarning
Manual (PDF)
The inverter temperature is high.
Likely cause
Environmental temperature is too high.
What to do
Check if the environment temperature is appropriate. Wait for a while to see if it returns to normal. Seek help if necessary.
Bat Power Lowinfo
Manual (PDF)
The battery power is low.
Likely cause
Battery has insufficient charge.
What to do
Wait for the battery to be recharged. Seek help if needed.

What it costs in Perth

$10,944

Typical installed price, before rebates

WA Battery Scheme: Depends on your inverter
Federal STCs: −$3,112
You’d pay about: $7,832

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 smaller 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 11.52 kWh battery

How it compares

The Energizer PS2900H-4 against the closest-sized batteries from other brands.

Specification	Energizer PS2900H-4Energizer	FoxESS EP12 Plus (w)FoxESS	Solplanet Ai-HB 125ASolplanet

Usable capacity?	11.52 kWh	11.52 kWh	11.52 kWh
Continuous power?	0 kW	Not verified	Not verified
Peak power?	0 kW	Not verified	Not verified

Round-trip efficiency?	95%best value	92%	92%
Warranty	10 years	Not verified	Not verified
Chemistry	LiFePO4 Prismatic Cell	LFP	LFP

Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.

More from Energizer

Other CEC-approved products from Energizer available in Australia.

Energizer Inverters

Force 10.0HS+ (AS4777-2 2020)

10 kW · 1φ

Force 10.0HT+ (AS4777-2 2020)

10 kW · 3φ

Force 10.0S (AS4777-2 2020)

10 kW · 1φ

Force 10.5HS+ (AS4777-2 2020)

10.5 kW · 1φ

Force 10.5S (AS4777-2 2020)

10.5 kW · 1φ

Force 12.0HT+ (AS4777-2 2020)

12 kW · 3φ

View all Energizer inverters

Energizer Solar Panels

ENSP48NDG3440BF (IEC 61215-2021)

440W · 22.5% · Mono PERC

ENSP48NDG3440BL (IEC 61215-2021)

440W · 22.5% · Mono PERC

ENSP48NDG3445BF (IEC 61215-2021)

445W · 22.8% · Mono PERC

ENSP48NDG3445BL (IEC 61215-2021)

445W · 22.8% · Mono PERC

ENSP48NDG3450BF (IEC 61215-2021)

450W · 23.0% · Mono PERC

ENSP48NDG3450BL (IEC 61215-2021)

450W · 23.0% · Mono PERC

View all Energizer panels

View full Energizer manufacturer profile

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.

Home battery · Energizer · CEC approved April 2024

Energizer PS2900H-4

An 11.52 kWh home battery — smaller home size, the 10–15 kWh band.

Installed in Perth, after rebates: ~$7,832; 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: 11.52kWh; Smaller home size — the 10–15 kWh band

Datasheet (PDF)See the whole Powerstack series

Spotted something outdated?

What we can tell you

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

11.52 kWh sits in the smaller home band (10–15 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: 11.52kWh
Round-trip efficiency How much of the energy you store comes back out: 95%
Depth of discharge How much of the battery you can actually use: 90%
Warranty 90% of capacity guaranteed at the end of it: 10yr
Battery chemistry The cell type inside it: LiFePO4 Prismatic Cell
Size and weight 590 × 570 × 380 mm — roughly a large suitcase on the wall: 131.9kg

Full datasheet

Every figure on file for the Energizer Powerstack, by section.

Full datasheet, by section
Specification	Value
Cell & chemistry
Chemistry	LiFePO4 Prismatic Cell
Cell type	Prismatic
Capacity & power
Nominal capacity	11.52 kWh
Continuous power	0 kW
Peak power	0 kW
Depth of discharge	90%
Round-trip efficiency	95%
Nominal voltage	230.4 V
Lifespan & degradation
Cycle life	6000 cycles
Capacity retained at year 10	90%
Warranted throughput	2000 MWh
Modularity & stacking
Modular / stackable	Yes
Maximum stack	20.16 kWh
Backup & grid services
Backup capable	No
VPP ready	No
Physical
Dimensions (H×W×D)	590 × 570 × 380 mm
Weight	131.9 kg
IP rating	IP65
Operating environment
Operating temperature	-10°C to 55°C
Installation requirements
Cable gauge	6 mm²

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.

The Energizer Solar Powerstack has a 10-year warranty covering defects, with the major exclusion being non-accredited installation. Claims can be made via customer support.

Duration

years

Throughput

2000

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: 95% rated
•Annual Degradation: ~2.5% per year expected
•Installation: Must be installed by SAA-accredited installer
•Operating Conditions: -10°C to 55°C

✓ TransferableFull replacement≥90% 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 Energizer

View Full Profile →

Years in AU Market3+ years

Local SupportNot verified

CEC-Listed Products6 models

3yr AU

CEC-approved products since 2023

3 years in the Australian market

Fault & error codes — Energizer Powerstack

Extracted from the installation manual

20 documented

Showing 20 of 20. The official install manual is the authoritative source — always confirm before acting.

10min Volt Faultcritical
Manual (PDF)
The grid voltage is out of range for the last 10 Minutes.
Likely cause
Persistent abnormal voltage levels from the grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Grid Freq Faultcritical
Manual (PDF)
Grid frequency out of range.
Likely cause
Frequency wave fluctuation from the power grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Grid Lost Faultcritical
Manual (PDF)
Grid is lost.
Likely cause
Loss of connection to the power grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Grid Volt Faultcritical
Manual (PDF)
Grid voltage out of range.
Likely cause
Voltage being too high or too low from the power grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Ground FaultcriticalCall your installer
Manual (PDF)
The ground connection is failed.
Likely cause
Issue with the ground wiring or connections.
What to do
Check the voltage of neutral and PE. Check AC wiring. Disconnect PV, grid, and battery, then reconnect. Seek help if necessary.
Iso FaultcriticalCall your installer
Manual (PDF)
The isolation is failed.
Likely cause
Damaged insulation of electric wires.
What to do
Check if the insulation of electric wires is damaged. Wait for a while to see if it returns to normal. Seek help if necessary.
PLL_OverTimecritical
Manual (PDF)
Three-phase system access single-phase AC.
Likely cause
Improper connection to the AC grid.
What to do
System will reconnect if the utility is back to normal. Seek help if it does not return to normal state.
Res Cur FaultcriticalCall your installer
Manual (PDF)
The residual current is high.
Likely cause
Faulty insulation or a short circuit.
What to do
Check if the insulation of electric wires is damaged. Wait for a while to see if it returns to normal. Seek help if needed.
Bat Volt Faultwarning
Manual (PDF)
Battery voltage fault.
Likely cause
Battery voltage is too low or too high.
What to do
Check if the battery input voltage is within the normal range. Seek help if necessary.
DCI Faultwarning
Manual (PDF)
DC component is out of limit in output current.
Likely cause
Unbalanced current levels at the DC output.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
Eps Over Loadwarning
Manual (PDF)
Over load in off grid mode.
Likely cause
Load power exceeds inverter capacity in EPS mode.
What to do
Check if the EPS load power exceeds the limit. Seek assistance if necessary.
HW Inv Cur Faultwarning
Manual (PDF)
Output current high detected by hardware.
Likely cause
Excessive current draw by the system or load.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
Over Load Faultwarning
Manual (PDF)
Over load in on grid mode.
Likely cause
Load power exceeds inverter limit.
What to do
Check if the load power exceeds the limit. Seek assistance if necessary.
Pv Volt Faultwarning
Manual (PDF)
PV voltage out of range.
Likely cause
The output voltage of PV panels is not within specifications.
What to do
Check the output voltage of PV panels. Seek help if necessary.
SW Bat Cur Faultwarning
Manual (PDF)
Battery current high detected by software.
Likely cause
Excessive current draw from the battery.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
SW Bus Vol Faultwarning
Manual (PDF)
Bus voltage out of range detected by software.
Likely cause
Voltage irregularities on the system bus.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
SW Inv Cur Faultwarning
Manual (PDF)
Output current high detected by software.
Likely cause
Excessive current draw by the system or load.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
SW Pv Cur Faultwarning
Manual (PDF)
PV input current high detected by software.
Likely cause
Excessive current draw from the PV input.
What to do
Disconnect PV, grid, and battery, then reconnect. Seek help if it does not return to normal state.
Temp Faultwarning
Manual (PDF)
The inverter temperature is high.
Likely cause
Environmental temperature is too high.
What to do
Check if the environment temperature is appropriate. Wait for a while to see if it returns to normal. Seek help if necessary.
Bat Power Lowinfo
Manual (PDF)
The battery power is low.
Likely cause
Battery has insufficient charge.
What to do
Wait for the battery to be recharged. Seek help if needed.

What it costs in Perth

$10,944

Typical installed price, before rebates

WA Battery Scheme: Depends on your inverter
Federal STCs: −$3,112
You’d pay about: $7,832

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 smaller 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 11.52 kWh battery

How it compares

The Energizer PS2900H-4 against the closest-sized batteries from other brands.

Specification	Energizer PS2900H-4Energizer	FoxESS EP12 Plus (w)FoxESS	Solplanet Ai-HB 125ASolplanet

Usable capacity?	11.52 kWh	11.52 kWh	11.52 kWh
Continuous power?	0 kW	Not verified	Not verified
Peak power?	0 kW	Not verified	Not verified

Round-trip efficiency?	95%best value	92%	92%
Warranty	10 years	Not verified	Not verified
Chemistry	LiFePO4 Prismatic Cell	LFP	LFP

Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.