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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.
Data from CEC product listings, public regulatory records and verified manufacturer details. Office and support presence shows as "Not verified" until confirmed.
Manufacturer profile
Battery manufacturer · 8.0 years in Australia
Years in AU Market
Quick answer
Saj has 30 batteries listed on the CEC register, and has been in the Australian market since 2018.
Sources: CEC register · documented market-entry record
SAJ Electric (Guangzhou Sanjing Electric Co Ltd) was founded in 2005 and manufactures both solar inverters and battery energy storage systems. With 16 CEC-approved battery models in Australia, SAJ has built a notable presence in the Australian residential market, complementing its established inverter business with integrated storage solutions.
SAJ's battery range uses LFP chemistry and is designed to pair seamlessly with their own HS2 and AS hybrid inverter series. The modular battery design allows configurations from approximately 5 kWh to 25+ kWh. SAJ differentiates through its integrated inverter-battery ecosystem, offering a single-brand solution that simplifies installation and support for solar installers.
In Australia, SAJ products are distributed through established wholesale channels, with some distributor-level technical support available. The company has been selling inverters in Australia since approximately 2019, giving it a longer market track record than many battery-only entrants. SAJ appeals to installers who prefer a single-manufacturer solar + battery solution at competitive pricing.
2005
Founded
2019
AU entry
~1000
Employees
Local presence not yet verified
We have not verified this brand's Australian office or support arrangements. Confirm the warranty claim process with the manufacturer or your installer.
30
CEC batteries
8.0
Years in market
71
Active listings
Batteries since 2025
Based on 19 models from SAJ
Avg product warranty
10 yrs
Warranty range
10 years
Models with warranty terms
19 of 19
Local warranty support not yet verified
We have not verified this brand's Australian warranty channels. Confirm the claim process with the manufacturer or your installer.
From the Clean Energy Council approved-product register
71
Active CEC listings
Currently approved
21
Delisted
Expired or removed from the register
20.7 kWh
Avg. battery capacity
Across 19 models
8 years in the Australian market
SAJ on the CEC register, from Australian market entry to now
Entered Australian market
Market entry year sourced from CEC Inverter Approvals.
⚡ 10 Inverter Models Listed
INVInverter range expanded to 10 CEC-approved models.
First CEC Approval
Received initial Clean Energy Council certification.
⚡ First CEC-Approved Inverter
INVSAJ entered Australian inverter market with R5-10K-T2-15 (AS4777-2 2020).
⚡ 5 Inverter Models Listed
INVInverter range expanded to 5 CEC-approved models.
⚡ 20 Inverter Models Listed
INVInverter range expanded to 20 CEC-approved models.
⚡ 50 Inverter Models Listed
INVInverter range expanded to 50 CEC-approved models.
⚡ 11 Inverter Listings Delisted (2025)
INV11 inverter listings removed from CEC approved list in 2025.
⚡ 10 Inverter Listings Delisted (2026)
INV10 inverter listings removed from CEC approved list in 2026.
30
Listed products
71
Currently active
21
Delisted
8 yrs
Years in AU market
Every CEC-listed model grouped into its product series. Open a series to see each capacity or power variant, or jump to a model for full specs.
19 CEC-approved batteries
B2-10.0-HV1
B2-10.0-HV5
B2-12.8-HV1-S
B2-15.0-HV1
B2-15.0-HV5
B2-19.2-HV1-S
B2-19.2-HV2-S
B2-20.0-HV1
B2-20.0-HV5
B2-25.0-HV1
B2-25.0-HV5
B2-25.6-HV1-S
B2-25.6-HV2-S
B2-32.0-HV1-S
B2-32.0-HV2-S
B2-38.4-HV1-S
B2-44.8-HV1-S
B2-5.0-HV1
B2-5.0-HV5
SAJ is headquartered in Guangzhou, China and was founded in 2005. Its products are sold in Australia through CEC-accredited installers.
Yes — SAJ entered the Australian market in 2019, and its products are installed across Perth and Western Australia by SAA-accredited installers. Confirm local support and warranty handling with your installer before you buy.
SAJ's home batteries use LFP cells. LFP (lithium iron phosphate) is the most common residential chemistry in WA for its long cycle life and stability in Perth's heat.
WA's rebate ($130/kWh, up to $1,300) depends on the system pairing with a Synergy-approved (SSL) inverter — eligibility is set by the inverter, not the battery brand. Whether a given SAJ system qualifies depends on the inverter it's installed with, so confirm the pairing with your installer.
SAJ has held Clean Energy Council approved-product listings since 2019. CEC approval is required for the WA rebate and is a baseline safety and quality check.
We list 19 CEC-approved SAJ battery models with specs, indicative pricing and warranty detail — compare them against other brands to find the best fit for your Perth home.
Two modular systems Perth buyers often shortlist together, compared spec by spec.
Synergy customers get $130/kWh back, capped at $1,300.
A 10 kWh usable LFP tower that stacks in 5 kWh modules, with a 10-year warranty.
Compare quotes from SAA-accredited local installers — you choose which to act on. No obligation, no pressure.
Installed price range
$4,320 – $40,320
19 models with pricing
~$900/kWh average
Market average
Up to $4,013 in rebates
WA Battery Scheme + Federal STCs (10 kWh system)
*Prices are installed estimates including GST, excluding rebates. Actual quotes may vary.
