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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.
1.0
Years in AU Market
30
CEC-Listed Batteries
0
CEC-Listed Inverters
Not verified
AU Office
Not verified
Local Support
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 · 1.0 years in Australia
Years in AU Market
30 batteries · 0 inverters
Verify warranty support and local service availability before purchase.
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
1.0
Years in market
81
Active listings
Based on 30 models from SAJ
Avg product warranty
10 years
Warranty range
10 years
Models with warranty terms
30 of 30
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
81
Active CEC listings
Currently approved
11
Delisted
Expired or removed from the register
44.9 kWh
Avg. battery capacity
Across 30 models
1 year in the Australian market
SAJ on the CEC register, from Australian market entry to now
⚡ 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.
30
Listed products
81
Currently active
11
Delisted
1 yrs
Years in AU market
SAJ models grouped into their product series — open a series to compare every capacity or power variant side by side.
30 CEC-approved batteries · grouped into 2 series
CHS2-29.9K-T4-204.8V/280Ah/51.5kWh (AS4777-2 2020)
CHS2-29.9K-T4-256.0V/280Ah/64.4kWh (AS4777-2 2020)
CHS2-29.9K-T4-307.2V/280Ah/77.3kWh (AS4777-2 2020)
CHS2-29.9K-T4-358.4V/280Ah/90.2kWh (AS4777-2 2020)
CHS2-50K-T6-204.8V/280Ah/51.5kWh (AS4777-2 2020)
CHS2-50K-T6-256.0V/280Ah/64.4kWh (AS4777-2 2020)
CHS2-50K-T6-307.2V/280Ah/154.6kWh (AS4777-2 2020)
CHS2-50K-T6-307.2V/280Ah/77.3kWh (AS4777-2 2020)
CHS2-50K-T6-358.4V/280Ah/180.4kWh (AS4777-2 2020)
CHS2-50K-T6-358.4V/280Ah/90.2kWh (AS4777-2 2020)
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
B2-51.2-HV1-S
Rather than naming favourites, apply two tests: has the brand been popular in the Australian market for 5+ years, and has it done so with no recalls or safety issues? Tenure plus a clean record beats marketing claims. Check recall history on our risk-alerts page and tenure on each manufacturer profile, and verify warranty support and local service availability before you buy — particularly for brands newer to the Australian market.
Start with the two tools on this site: the ACCC-sourced recall list on our risk-alerts page, and each brand's manufacturer profile showing years in the Australian market and CEC listing history. A note on delistings — an expired CEC listing is not automatically a red flag. Regulations change and products get relisted with minor updates, and old models are routinely retired when new ones launch. A safety removal is different from an expiry. The pattern that matters: if a manufacturer hasn't renewed or listed anything for a few years, it's safe to say they're no longer present in the market.
Most home batteries sold in Australia are made in China — including products from the biggest global brands — so 'Chinese-made' tells you very little on its own. Quality tracks the cells and the warranty, not the country: the best cells carry warranties up to 10,000+ cycles, while cheaper packs are warranted for far fewer. That's usually how the pricing works — a lower price per kWh can mean a shorter warranted life and faster degradation. Popular Chinese-made brands in the WA market include Sigenergy, Sungrow, GoodWe, Growatt, Sofar, FoxESS, and iStore. Very few brands can claim non-Chinese ownership (and manufacturing origin is hard to verify) — US-owned Tesla and Austrian-owned Fronius are the main ones still available here.
Six questions, two minutes. We'll match you with SAA-accredited Perth installers who quote based on your actual usage.
Installed price range
$4,320 – $162,360
30 models with pricing
~$900/kWh average
Market average
Up to $5,011 in rebates
WA Battery Scheme + Federal STCs (10 kWh system)
*Prices are installed estimates including GST, excluding rebates. Actual quotes may vary.
