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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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CEC approved: Apr 2024Report outdated info

Energizer PS2900H-2

Name: Energizer PS2900H-2
Brand: Energizer

Powerstack series

CEC Approved

View datasheet (PDF)

Part of Powerstack — see all configurations

Usable capacity: 2.88 kWh
Round-trip efficiency: 92%
Warranty: 10 yr
Chemistry: LiFePO4 Prismatic Cell

Full specifications

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.

Cell & chemistry

Chemistry: LiFePO4 Prismatic Cell
Cell type: Prismatic

Capacity & power

Nominal capacity: 5.76 kWh
Usable capacity: 2.88 kWh
Continuous power: 0 kW
Peak power: 0 kW
Nominal voltage: 115.2 V

Lifespan & degradation

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): 350 × 570 × 380 mm
Weight: 67.1 kg
IP rating: IP65

Operating environment

Operating temperature: -10°C to 55°C

Resources

Datasheet Warranty terms Installation guide

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 climate suitability

Suited to Perth climate

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

Key warranty terms

•Depth of Discharge: 90% usable capacity
•Round-trip Efficiency: 92% 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 Market2+ years

Local SupportNot verified

CEC-Listed Products6 models

2yr AU

CEC-approved products since 2024

2 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.

Perth pricing

Typical installed price

$2,736

WA State RebateSubject to eligibility

Federal STCs-$0

After Rebates~$2,736

Prices are estimates. Final pricing depends on installation requirements. STC value is based on the current certificate price of about $39.9.

The WA Battery Scheme rebate (up to $1,300) requires a Synergy-approved (SSL) inverter and VPP enrolment — not all systems qualify, so it is not included above. Confirm eligibility with your installer.

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Part of the Energizer Powerstack

See all configurations in this series →

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How it compares

The Energizer PS2900H-2 against the closest-sized batteries from other brands.

Specification	Energizer PS2900H-2Energizer	Alpha ESS M4856-PAlpha ESS	SolaX Power T-BAT H 3.0 V2SolaX Power

Usable capacity?	2.88 kWhbest value	2.8 kWh	2.8 kWh
Continuous power?	0 kW	Not verified	Not verified
Peak power?	0 kW	Not verified	Not verified

Round-trip efficiency?	92%	92%	92%
Warranty	10 years	10 years	10 years
Chemistry	LiFePO4 Prismatic Cell	LFP	LFP

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

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