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Home battery · Deye · CEC approved December 2025

Deye BOS-G65-Pro

A 66.56 kWh home battery with backup power — very big home size, the 40+ kWh band.

Installed in Perth, after rebates: ~$52,961; 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: 66.56kWh; Very big home size — the 40+ kWh band

Datasheet (PDF)See the whole BOS-G-Pro series

What we can tell you

Read from the figures on this page — no review written yet

66.56 kWh sits in the very big home band (40+ 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: 66.56kWh
Continuous power How much it can run at once — enough for a whole home, air conditioning included: 66.56kW
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 70% 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 Deye BOS-G-Pro, by section.

Full datasheet, by section
Specification	Value
Cell & chemistry
Chemistry	LFP
Cell type	Li-ion
Capacity & power
Nominal capacity	66.56 kWh
Usable capacity	66.56 kWh
Continuous power	66.56 kW
Peak power	66.56 kW
Depth of discharge	90%
Round-trip efficiency	90%
Nominal voltage	1000 V
Lifespan & degradation
Cycle life	6000 cycles
Capacity retained at year 10	70%
Warranted throughput	6000 MWh
Modularity & stacking
Modular / stackable	Yes
Maximum stack	66.56 kWh
Backup & grid services
Backup capable	Yes
VPP ready	No
Physical
Dimensions (H×W×D)	570 × 440 × 150 mm
Weight	46 kg
IP rating	IP20
Operating environment
Operating temperature	-20°C to 55°C

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 warranty covers defects and performance issues for 10 years, excluding damage from improper installation. Claims can be made by contacting customer support.

Duration

years

Throughput

6000

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: 90% rated
•Annual Degradation: ~2.5% per year expected
•Installation: Must be installed by SAA-accredited installer
•Operating Conditions: -20°C to 55°C

✗ Non-transferableFull replacement≥70% 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 Deye

View Full Profile →

Years in AU Market6+ years

Local SupportNot verified

CEC-Listed Products53 models

6yr AU

CEC-approved products since 2020

6 years in the Australian market

Fault & error codes — Deye BOS-G-Pro

Extracted from the installation manual

6 documented

Showing 6 of 6. The official install manual is the authoritative source — always confirm before acting.

ISOcriticalCall your installer
Manual (PDF)
Insulation failure
Likely cause
Risk of current leakage due to insulation failure.
What to do
Disconnect immediately and check the insulation.
OCwarningCall your installer
Manual (PDF)
Charging overcurrent
Likely cause
The charging current exceeds the set parameter.
What to do
Reduce the charging current.
OTwarningCall your installer
Manual (PDF)
Overtemperature
Likely cause
The system temperature exceeds the limit.
What to do
Ensure proper ventilation; check for overheating components.
OVwarningCall your installer
Manual (PDF)
Overvoltage
Likely cause
The total charge voltage exceeds the safe level.
What to do
Check the voltage readings; reduce the supply if necessary.
UVwarningCall your installer
Manual (PDF)
Undervoltage
Likely cause
The total discharge voltage is too low.
What to do
Recharge the system immediately.
OFinfo
Manual (PDF)
Other faults
Likely cause
General faults that do not fall under other categories.
What to do
Refer to user manual for specific guidance.

What it costs in Perth

$59,904

Typical installed price, before rebates

WA Battery Scheme: Depends on your inverter
Federal STCs: −$6,943
You’d pay about: $52,961

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 very big home band. The WA rebate caps at 10 kWh, but that is a rebate limit, not a sizing guide.

The federal rebate shrinks each year

STC value for this 66.56 kWh battery

How it compares

The Deye BOS-G65-Pro against the closest-sized batteries from other brands.

Specification	Deye BOS-G65-ProDeye	Dyness STACK100 Pro-13SDyness	SolaX Power T-HS66.5SolaX Power

Usable capacity?	66.56 kWhbest value	66.56 kWhbest value	66.5 kWh
Continuous power?	66.56 kW	Not verified	Not verified
Peak power?	66.56 kW	Not verified	Not verified

Round-trip efficiency?	90%	92%best value	92%best value
Warranty	10 years	10 years	10 years
Chemistry	LFP	LFP	LFP

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

More from Deye

Other CEC-approved products from Deye available in Australia.

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View all Deye inverters

View full Deye manufacturer profile

Want to take the next step?

Compare quotes from SAA-accredited local installers — you choose which to act on. 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.