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Home battery · Sungrow · SBR series · CEC approved August 2023

Sungrow SBR128

A 12.8 kWh home battery. Smaller home size, the 10 to 15 kWh band.

Installed in Perth, after rebates: ~$5,729Estimate: your own quote will vary
WA Battery Scheme rebate: −$1,300With a Synergy-approved inverter and VPP enrolment
Usable capacity: 12.8kWh
Warranty: 5yrs

SBR128: the short answer

In the SBR seriesThe series' closest fit to the WA rebate cap: 12.8kWhThe series' closest fit to the WA rebate cap
WA Battery Scheme$1,300 with a Synergy-approved inverter and VPP enrolment: Likely eligible$1,300 with a Synergy-approved inverter and VPP enrolment
Works withFrom the manufacturer's documentation; the CEC register doesn't list pairings: Sungrow SH5.0RT, SH6.0RT, SH8.0RT, SH10RT, SH5.0RS, SH6.0RS, SH8.0RS, SH10RSFrom the manufacturer's documentation; the CEC register doesn't list pairings
Continuous powerRuns the essentials, not the whole house: 3.84kWRuns the essentials, not the whole house

Other sizes in the SBR series

Is it right for your home?, Sungrow SBR128

The Sungrow SBR128 is a mid-sized modular battery that suits many Perth households' evening and overnight use. Integrates with Sungrow hybrid inverters and strong Australian support via 1800 number.

Where it wins

12.8kWh capacity covers many households' evening and overnight use
Modular 3.2kWh modules - flexible configuration
Smooth Sungrow inverter integration
Australian 1800 support line
Competitive value per kWh

Where it falls short

Designed for use with Sungrow inverters
Less suitable for very high consumption homes
Consider SBR256 for larger needs

Best for

Average Perth households (15-25kWh daily usage)
Those with Sungrow inverters
Value-focused buyers wanting quality
Mid-range capacity installations

Key specs, in plain terms

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

Usable capacity: 12.8kWh; How much energy it stores for you to use
Continuous power: 3.84kW; How much it can run at once: the essentials, not the whole house
Round-trip efficiency: 100%; How much of the energy you store comes back out
Depth of discharge: 100%; You can use the whole battery, not just part of it
Warranty: 5yr; 80% of capacity guaranteed at the end of it
Battery chemistry: LFP; Lithium iron phosphate, the long-cycle-life type

Warranty and support

SUNGROW covers defects for 5 years. Warranty voids for improper installation or misuse. Claims can be made via email or fax to SUNGROW.

Product: 5 years; transferable; full replacement
At year 10: At least 80% of capacity
Throughput: 100 MWh
Installation: Must be installed by an SAA-accredited installer
Support: Australian officeSungrow Australia; 15 years in the Australian market. Direct manufacturer warranty. Australian consumer law applies.

Warranty document Datasheet Compare warranties

WA Battery Scheme eligibility

Likely eligible

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: Pairs with Sungrow RT.
VPP activation ready: Ready for Synergy VPP participation.
WA Battery Scheme rebate: Up to $1,300 for Synergy customers (10kWh max eligible).
Synergy Battery Rewards: Requires a CSIP-AUS compliant system and reliable internet.
Interest-free loan: Qualifies for up to $10,000 interest-free.

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 Sungrow SBR, by section.

Cell & chemistry

Chemistry: LFP
Cell type: Prismatic

Capacity & power

Nominal capacity: 12.8 kWh
Usable capacity: 12.8 kWh
Continuous power: 3.84 kW
Peak power: 5.12 kW
Depth of discharge: 100%
Round-trip efficiency: 100%
Nominal voltage: 256 V

Lifespan & degradation

Cycle life: 3000 cycles
Capacity retained at year 10: 80%
Warranted throughput: 100 MWh

Modularity & stacking

Modular / stackable: Yes
Maximum stack: 25.6 kWh

Backup & grid services

Backup capable: No
VPP ready: No
Off-grid capable: Yes

Physical

Dimensions (H×W×D): 675 × 625 × 330 mm
Weight: 147 kg
IP rating: IP55

Operating environment

Operating temperature: 11°C to 0°C

Connectivity & monitoring

Coupling: dc-coupled

Installation requirements

Top clearance: 300 mm
Side clearance: 150 mm
Front clearance: 150 mm
AC breaker: 40 A
Cable gauge: 6 mm²
Earthing method: TN-S
DNSP pre-approval: Yes
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.

Documents

Fault & error codes — Sungrow SBR

Extracted from the installation manual

33 documented

Showing 33 of 33. The official install manual is the authoritative source — always confirm before acting.

703warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
707warningCall your installer
Manual (PDF)
Heat issue
Likely cause
Check for heat sources and ambient temperature outside specifications (0-55℃ for charging; -20-55℃ for discharging).
What to do
Improve installation environment and switch off the battery system if SOC drops below 3%.
708warningCall your installer
Manual (PDF)
Temperature issue
Likely cause
Ambient temperature or battery temperature below operational range.
What to do
Improve installation environment and switch off the battery system if SOC drops below 3%.
711warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
712warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
714warningCall your installer
Manual (PDF)
Communication issue
Likely cause
Check communication cable connections between battery and inverter. Loose connections can cause faults.
What to do
Restart the system after checking connections and switch off if SOC drops below 3%.
715warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
717warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
732warningCall your installer
Manual (PDF)
Software upgrade needed
Likely cause
Upgrade required for hybrid inverter, WiNet, and battery software.
What to do
Contact installer or manufacturer to upgrade software. Switch off battery if SOC drops below 3%.
733warningCall your installer
Manual (PDF)
Heat issue
Likely cause
Check for heat sources and ambient temperature outside specifications (0-55℃ for charging; -20-55℃ for discharging).
What to do
Improve installation environment and switch off the battery system if SOC drops below 3%.
734warningCall your installer
Manual (PDF)
Temperature issue
Likely cause
Ambient temperature or battery temperature below operational range.
What to do
Improve installation environment and switch off the battery system if SOC drops below 3%.
735warningCall your installer
Manual (PDF)
System fault
Likely cause
The battery may return to normal automatically after some time.
What to do
If resolved, no action needed. If not, restart the system and contact installer if persistent. Switch off if SOC drops below 3%.
736warningCall your installer
Manual (PDF)
System fault
Likely cause
The battery may return to normal automatically after some time.
What to do
If resolved, no action needed. If not, restart the system and contact installer if persistent. Switch off if SOC drops below 3%.
737warningCall your installer
Manual (PDF)
System fault
Likely cause
The battery may return to normal automatically after some time.
What to do
If resolved, no action needed. If not, restart the system and contact installer if persistent. Switch off if SOC drops below 3%.
739warningCall your installer
Manual (PDF)
System fault
Likely cause
Restart required after switching off.
What to do
Switch off and restart the system if needed. Contact installer if the issue persists. Switch off if SOC drops below 3%.
740warningCall your installer
Manual (PDF)
Connection issue
Likely cause
Check connections of client RACK; loose connections may be an issue.
What to do
Switch off the system and restart if needed. Contact installer if problem persists. Switch off if SOC drops below 3%.
741warningCall your installer
Manual (PDF)
System configuration issue
Likely cause
Incorrect configuration for battery and inverter pairing.
What to do
Contact installer for configuration check and correction. Switch off if SOC drops below 3%.
742warningCall your installer
Manual (PDF)
Connection issue
Likely cause
Check connection of power cables; possible inverse or loose connections.
What to do
Contact installer if the issue persists after securing connections. Switch off if SOC drops below 3%.
743warningCall your installer
Manual (PDF)
System fault
Likely cause
The battery may return to normal automatically after some time.
What to do
If the problem does not resolve, upgrade the battery software. Switch off if SOC drops below 3%.
744warningCall your installer
Manual (PDF)
Fault detected
Likely cause
Communication issues or software update needed.
What to do
Contact installer for upgrade or check connections; switch off if SOC drops below 3%.
745warningCall your installer
Manual (PDF)
Fault detected
Likely cause
The battery may return to normal automatically after some time.
What to do
If not resolved, upgrade battery software. Switch off if SOC drops below 3%.
746warningCall your installer
Manual (PDF)
Software upgrade needed
Likely cause
Upgrade required for hybrid inverter, WiNet, and battery software.
What to do
Contact installer for upgrade; switch off battery if SOC drops below 3%.
747warningCall your installer
Manual (PDF)
System fault
Likely cause
Switch off the system and restart required after timeout.
What to do
If not resolved, upgrade software and contact installer. Switch off if SOC drops below 3%.
833warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
Need software upgrade for hybrid inverter, WiNet, or battery.
What to do
Contact installer for upgrade; switch off battery if SOC drops below 3%.
932warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
System may return to normal automatically.
What to do
If unresolved, contact installer; switch off if SOC drops below 3%.
933warningCall your installer
Manual (PDF)
Heat issue
Likely cause
Ambient temperature may exceed operational limits.
What to do
Check environment and switch off if necessary; call installer if issue persists.
934warningCall your installer
Manual (PDF)
Temperature issue
Likely cause
Ambient temperature below operational limits.
What to do
Check installation conditions; switch off if necessary and alert installer if issues persist.
935warningCall your installer
Manual (PDF)
System alarm
Likely cause
Battery may return to normal automatically after some time.
What to do
If persists, restart system; switch off if SOC drops below 3%.
937warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
Need for software upgrade or troubleshooting.
What to do
Contact installer for upgrades or corrections; switch off if SOC drops below 3%.
939warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
The battery may return to normal automatically after some time.
What to do
Contact installer if issue persists; switch off if SOC drops below 3%.
941warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
Software upgrades needed for battery and inverter.
What to do
Contact installer for upgrades; switch off if SOC drops below 3%.
942warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
System misconfiguration or need for upgrades.
What to do
Contact installer for checks; switch off battery if SOC drops below 3%.
964warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
Upgrade may be needed to resolve the issue.
What to do
Contact installer for necessary upgrades; switch off battery if SOC drops below 3%.

About Sungrow

Years in the Australian market: 15+ (CEC-approved products since 2011)
Local support: Not verified
CEC-listed products: 19 models

View full profile →

What it costs in Perth

$10,500

Typical installed price, before rebates

WA Battery Scheme: −$1,300
Federal STCs: −$3,471
You’d pay about: $5,729

The WA Battery Scheme pays $1,300 on this size when it is installed with a Synergy-approved inverter and enrolled in a VPP. 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 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 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 12.8 kWh battery

Frequently asked questions

How it compares

The Sungrow SBR128 against the closest-sized batteries from other brands.

Specification	Sungrow SBR128Sungrow	Business Battery Solutions 22-01-600281Business Battery Solutions	BYD HVS 12.8BYD

Usable capacity?	12.8 kWh	12.8 kWh	12.8 kWh
Continuous power?	3.84 kW	Not verified	Not verified
Peak power?	5.12 kW	Not verified	Not verified

Round-trip efficiency?	100%best value	92%	92%
Warranty	5 years	Not verified	Not verified
Chemistry	LFP	LFP	LFP

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

Compatible inverters

CEC-approved inverters compatible with Sungrow batteries.

Sungrow

SH5.0RT

5 kWhybrid

Sungrow

SH10RT

9.999 kWhybrid

Sungrow

SH5.0RS

4.999 kWhybrid

Sungrow

SH6.0RS

6 kWhybrid

Sungrow

SH8.0RS

8 kWhybrid

Sungrow

SH10RS

9.999 kWhybrid

More from Sungrow

Other CEC-approved products from Sungrow available in Australia.

Sungrow Inverters

SC110CX

110 kW · 3φ

SC50HV-20

50 kW

SC50HV

50 kW · 3φ

SG100CX-P2

99.99 kW · 3φ

SG10RS

9.999 kW

SG10RT

9.999 kW · 3φ

View all Sungrow inverters

Sungrow Solar Panels

SG-48TG2D-470

470W

SG-48TG2D-475

475W

SG-48TG2D-480

480W

SG-48TG2D-X-465

465W

SG-48TG2D-X-470

470W

SG-48TG2D-X-475

475W

View all Sungrow panels

View full Sungrow 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.

Explore your options Compare batteries

Spotted something outdated?

Home battery · Sungrow · SBR series · CEC approved August 2023

Sungrow SBR128

A 12.8 kWh home battery. Smaller home size, the 10 to 15 kWh band.

Installed in Perth, after rebates: ~$5,729Estimate: your own quote will vary
WA Battery Scheme rebate: −$1,300With a Synergy-approved inverter and VPP enrolment
Usable capacity: 12.8kWh
Warranty: 5yrs

Datasheet (PDF)

SBR128: the short answer

In the SBR seriesThe series' closest fit to the WA rebate cap: 12.8kWhThe series' closest fit to the WA rebate cap
WA Battery Scheme$1,300 with a Synergy-approved inverter and VPP enrolment: Likely eligible$1,300 with a Synergy-approved inverter and VPP enrolment
Works withFrom the manufacturer's documentation; the CEC register doesn't list pairings: Sungrow SH5.0RT, SH6.0RT, SH8.0RT, SH10RT, SH5.0RS, SH6.0RS, SH8.0RS, SH10RSFrom the manufacturer's documentation; the CEC register doesn't list pairings
Continuous powerRuns the essentials, not the whole house: 3.84kWRuns the essentials, not the whole house

Other sizes in the SBR series

Is it right for your home?, Sungrow SBR128

The Sungrow SBR128 is a mid-sized modular battery that suits many Perth households' evening and overnight use. Integrates with Sungrow hybrid inverters and strong Australian support via 1800 number.

Where it wins

12.8kWh capacity covers many households' evening and overnight use
Modular 3.2kWh modules - flexible configuration
Smooth Sungrow inverter integration
Australian 1800 support line
Competitive value per kWh

Where it falls short

Designed for use with Sungrow inverters
Less suitable for very high consumption homes
Consider SBR256 for larger needs

Best for

Average Perth households (15-25kWh daily usage)
Those with Sungrow inverters
Value-focused buyers wanting quality
Mid-range capacity installations

Key specs, in plain terms

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

Usable capacity: 12.8kWh; How much energy it stores for you to use
Continuous power: 3.84kW; How much it can run at once: the essentials, not the whole house
Round-trip efficiency: 100%; How much of the energy you store comes back out
Depth of discharge: 100%; You can use the whole battery, not just part of it
Warranty: 5yr; 80% of capacity guaranteed at the end of it
Battery chemistry: LFP; Lithium iron phosphate, the long-cycle-life type

Warranty and support

SUNGROW covers defects for 5 years. Warranty voids for improper installation or misuse. Claims can be made via email or fax to SUNGROW.

Product: 5 years; transferable; full replacement
At year 10: At least 80% of capacity
Throughput: 100 MWh
Installation: Must be installed by an SAA-accredited installer
Support: Australian officeSungrow Australia; 15 years in the Australian market. Direct manufacturer warranty. Australian consumer law applies.

Warranty document Datasheet Compare warranties

WA Battery Scheme eligibility

Likely eligible

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: Pairs with Sungrow RT.
VPP activation ready: Ready for Synergy VPP participation.
WA Battery Scheme rebate: Up to $1,300 for Synergy customers (10kWh max eligible).
Synergy Battery Rewards: Requires a CSIP-AUS compliant system and reliable internet.
Interest-free loan: Qualifies for up to $10,000 interest-free.

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 Sungrow SBR, by section.

Cell & chemistry

Chemistry: LFP
Cell type: Prismatic

Capacity & power

Nominal capacity: 12.8 kWh
Usable capacity: 12.8 kWh
Continuous power: 3.84 kW
Peak power: 5.12 kW
Depth of discharge: 100%
Round-trip efficiency: 100%
Nominal voltage: 256 V

Lifespan & degradation

Cycle life: 3000 cycles
Capacity retained at year 10: 80%
Warranted throughput: 100 MWh

Modularity & stacking

Modular / stackable: Yes
Maximum stack: 25.6 kWh

Backup & grid services

Backup capable: No
VPP ready: No
Off-grid capable: Yes

Physical

Dimensions (H×W×D): 675 × 625 × 330 mm
Weight: 147 kg
IP rating: IP55

Operating environment

Operating temperature: 11°C to 0°C

Connectivity & monitoring

Coupling: dc-coupled

Installation requirements

Top clearance: 300 mm
Side clearance: 150 mm
Front clearance: 150 mm
AC breaker: 40 A
Cable gauge: 6 mm²
Earthing method: TN-S
DNSP pre-approval: Yes
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.

Documents

Fault & error codes — Sungrow SBR

Extracted from the installation manual

33 documented

Showing 33 of 33. The official install manual is the authoritative source — always confirm before acting.

703warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
707warningCall your installer
Manual (PDF)
Heat issue
Likely cause
Check for heat sources and ambient temperature outside specifications (0-55℃ for charging; -20-55℃ for discharging).
What to do
Improve installation environment and switch off the battery system if SOC drops below 3%.
708warningCall your installer
Manual (PDF)
Temperature issue
Likely cause
Ambient temperature or battery temperature below operational range.
What to do
Improve installation environment and switch off the battery system if SOC drops below 3%.
711warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
712warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
714warningCall your installer
Manual (PDF)
Communication issue
Likely cause
Check communication cable connections between battery and inverter. Loose connections can cause faults.
What to do
Restart the system after checking connections and switch off if SOC drops below 3%.
715warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
717warningCall your installer
Manual (PDF)
Battery fault
Likely cause
Fault will disappear by itself within 20 min. If it persists, battery system needs to be checked.
What to do
Switch off the battery system if the SOC drops below 3% and contact the installer if the issue persists.
732warningCall your installer
Manual (PDF)
Software upgrade needed
Likely cause
Upgrade required for hybrid inverter, WiNet, and battery software.
What to do
Contact installer or manufacturer to upgrade software. Switch off battery if SOC drops below 3%.
733warningCall your installer
Manual (PDF)
Heat issue
Likely cause
Check for heat sources and ambient temperature outside specifications (0-55℃ for charging; -20-55℃ for discharging).
What to do
Improve installation environment and switch off the battery system if SOC drops below 3%.
734warningCall your installer
Manual (PDF)
Temperature issue
Likely cause
Ambient temperature or battery temperature below operational range.
What to do
Improve installation environment and switch off the battery system if SOC drops below 3%.
735warningCall your installer
Manual (PDF)
System fault
Likely cause
The battery may return to normal automatically after some time.
What to do
If resolved, no action needed. If not, restart the system and contact installer if persistent. Switch off if SOC drops below 3%.
736warningCall your installer
Manual (PDF)
System fault
Likely cause
The battery may return to normal automatically after some time.
What to do
If resolved, no action needed. If not, restart the system and contact installer if persistent. Switch off if SOC drops below 3%.
737warningCall your installer
Manual (PDF)
System fault
Likely cause
The battery may return to normal automatically after some time.
What to do
If resolved, no action needed. If not, restart the system and contact installer if persistent. Switch off if SOC drops below 3%.
739warningCall your installer
Manual (PDF)
System fault
Likely cause
Restart required after switching off.
What to do
Switch off and restart the system if needed. Contact installer if the issue persists. Switch off if SOC drops below 3%.
740warningCall your installer
Manual (PDF)
Connection issue
Likely cause
Check connections of client RACK; loose connections may be an issue.
What to do
Switch off the system and restart if needed. Contact installer if problem persists. Switch off if SOC drops below 3%.
741warningCall your installer
Manual (PDF)
System configuration issue
Likely cause
Incorrect configuration for battery and inverter pairing.
What to do
Contact installer for configuration check and correction. Switch off if SOC drops below 3%.
742warningCall your installer
Manual (PDF)
Connection issue
Likely cause
Check connection of power cables; possible inverse or loose connections.
What to do
Contact installer if the issue persists after securing connections. Switch off if SOC drops below 3%.
743warningCall your installer
Manual (PDF)
System fault
Likely cause
The battery may return to normal automatically after some time.
What to do
If the problem does not resolve, upgrade the battery software. Switch off if SOC drops below 3%.
744warningCall your installer
Manual (PDF)
Fault detected
Likely cause
Communication issues or software update needed.
What to do
Contact installer for upgrade or check connections; switch off if SOC drops below 3%.
745warningCall your installer
Manual (PDF)
Fault detected
Likely cause
The battery may return to normal automatically after some time.
What to do
If not resolved, upgrade battery software. Switch off if SOC drops below 3%.
746warningCall your installer
Manual (PDF)
Software upgrade needed
Likely cause
Upgrade required for hybrid inverter, WiNet, and battery software.
What to do
Contact installer for upgrade; switch off battery if SOC drops below 3%.
747warningCall your installer
Manual (PDF)
System fault
Likely cause
Switch off the system and restart required after timeout.
What to do
If not resolved, upgrade software and contact installer. Switch off if SOC drops below 3%.
833warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
Need software upgrade for hybrid inverter, WiNet, or battery.
What to do
Contact installer for upgrade; switch off battery if SOC drops below 3%.
932warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
System may return to normal automatically.
What to do
If unresolved, contact installer; switch off if SOC drops below 3%.
933warningCall your installer
Manual (PDF)
Heat issue
Likely cause
Ambient temperature may exceed operational limits.
What to do
Check environment and switch off if necessary; call installer if issue persists.
934warningCall your installer
Manual (PDF)
Temperature issue
Likely cause
Ambient temperature below operational limits.
What to do
Check installation conditions; switch off if necessary and alert installer if issues persist.
935warningCall your installer
Manual (PDF)
System alarm
Likely cause
Battery may return to normal automatically after some time.
What to do
If persists, restart system; switch off if SOC drops below 3%.
937warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
Need for software upgrade or troubleshooting.
What to do
Contact installer for upgrades or corrections; switch off if SOC drops below 3%.
939warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
The battery may return to normal automatically after some time.
What to do
Contact installer if issue persists; switch off if SOC drops below 3%.
941warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
Software upgrades needed for battery and inverter.
What to do
Contact installer for upgrades; switch off if SOC drops below 3%.
942warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
System misconfiguration or need for upgrades.
What to do
Contact installer for checks; switch off battery if SOC drops below 3%.
964warningCall your installer
Manual (PDF)
Battery alarm
Likely cause
Upgrade may be needed to resolve the issue.
What to do
Contact installer for necessary upgrades; switch off battery if SOC drops below 3%.

About Sungrow

Years in the Australian market: 15+ (CEC-approved products since 2011)
Local support: Not verified
CEC-listed products: 19 models

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What it costs in Perth

$10,500

Typical installed price, before rebates

WA Battery Scheme: −$1,300
Federal STCs: −$3,471
You’d pay about: $5,729

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 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 12.8 kWh battery

Frequently asked questions

How it compares

The Sungrow SBR128 against the closest-sized batteries from other brands.

Specification	Sungrow SBR128Sungrow	Business Battery Solutions 22-01-600281Business Battery Solutions	BYD HVS 12.8BYD

Usable capacity?	12.8 kWh	12.8 kWh	12.8 kWh
Continuous power?	3.84 kW	Not verified	Not verified
Peak power?	5.12 kW	Not verified	Not verified

Round-trip efficiency?	100%best value	92%	92%
Warranty	5 years	Not verified	Not verified
Chemistry	LFP	LFP	LFP