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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
Inverter manufacturer · 13.0 years in Australia
Years in AU Market
Quick answer
Delta has 1 battery and 14 inverters listed on the CEC register, and has been in the Australian market since 2013.
Sources: CEC register · documented market-entry record
Delta Electronics, founded in Taiwan in 1971, is a global leader in power electronics with over 50 years of manufacturing experience. The company produces a vast range of products from data center power supplies to industrial automation, bringing this expertise to solar inverters and energy storage.
Delta's strength lies in engineering excellence and manufacturing quality control across their global facilities. Their E5 hybrid inverter series and BX battery modules represent their residential energy storage offering, designed with the reliability standards expected from industrial power equipment.
In Australia, Delta operates through established distribution channels and provides support from their Sydney office. While less prominent in the residential battery space than brands like Tesla or BYD, Delta appeals to buyers valuing industrial-grade engineering and the backing of a large, stable corporation.
The company's focus on commercial and industrial applications means their residential products sometimes lag in consumer-friendly features compared to dedicated residential brands. However, for technically-minded homeowners, Delta offers durable, well-engineered systems.
1971
Founded
2012
AU entry
~80,000
Employees
Global leader in
Market position
Local support confirmed
13.0 years in Australian market
1
CEC batteries
13.0
Years in market
2
Active listings
Inverters since 2021 · Batteries since 2022
Based on 1 models from Delta
Avg product warranty
10 yrs
Warranty range
10 years
Models with warranty terms
1 of 1
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
2
Active CEC listings
Currently approved
13
Delisted
Expired or removed from the register
6.2 kWh
Avg. battery capacity
Across 1 model
13 years in the Australian market
Delta on the CEC register, from Australian market entry to now
Entered Australian market
Market entry year sourced from CEC Inverter Approvals.
First CEC Approval
Received initial Clean Energy Council certification.
⚡ First CEC-Approved Inverter
INVDelta entered Australian inverter market with PCS100HV (AS4777-2 2020).
⚡ 10 Inverter Models Listed
INVInverter range expanded to 10 CEC-approved models.
🔋 First CEC-Approved Battery
BATDelta entered the Australian battery market with BX6.3_DD.
⚡ 5 Inverter Models Listed
INVInverter range expanded to 5 CEC-approved models.
🔋 BX6.3_DD Delisted
BATBattery removed from CEC approved list.
⚡ 12 Inverter Listings Delisted (2025)
INV12 inverter listings removed from CEC approved list in 2025.
15
Listed products
2
Currently active
13
Delisted
13 yrs
Years in AU market
Batteries
0 active, 1 delisted
Inverters
2 active, 12 delisted
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.
0 CEC-approved batteries, 1 expired listing
Delta is headquartered in Taipei, Taiwan and was founded in 1971. Its products are sold in Australia through CEC-accredited installers.
Yes — Delta entered the Australian market in 2012, 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.
Delta'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 Delta system qualifies depends on the inverter it's installed with, so confirm the pairing with your installer.
Delta has held Clean Energy Council approved-product listings since 2015. CEC approval is required for the WA rebate and is a baseline safety and quality check.
We list 1 CEC-approved Delta battery model 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 local installers you choose — no obligation, no pressure.
Installed price range
$5,553 – $5,553
1 model 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.
