The BYD battery price in Australia, as at November 2026, is about A$8,100 for a 13.8 kWh Battery-Box Premium HVM after the federal battery discount, before installation and the inverter. Installed, the same battery costs about A$11,100 if you already own a compatible hybrid inverter, or A$13,400 to A$14,700 with a new one (Solar Cobber arithmetic on SolarQuotes figures).
This guide prices the current HVM range from 11.0 to 44.2 kWh. Our full BYD Battery-Box Premium review covers specs and fine print. This is independent desk research: we obtained no quotes and were not paid by BYD or any installer.
Key facts
- The BYD Battery-Box Premium HVM 13.8 (13.80 kWh usable) costs about A$8,100 after the federal discount, including GST and excluding installation and inverter, on the SolarQuotes price list updated 12 May 2026.
- SolarQuotes lists six HVM sizes, from the HVM 11.0 at A$7,100 to the HVM 44.2 (two towers) at A$27,000, all after the federal discount; it lists no HVS prices.
- The federal Cheaper Home Batteries Program factor is 6.8 certificates per usable kWh from 1 May to 31 December 2026, falling to 5.7 on 1 January 2027 (Energy Matters, citing the program settings).
- BYD’s Australian Limited Warranty (V1.1) gives 10 years, with 70% of usable energy retained or a minimum throughput of 42.69 MWh on an HVM 13.8, whichever comes first.
- BYD’s Battery-Box Premium Compatible Inverter List V2.22 (updated 10 October 2026) names Fronius, GoodWe, Kostal, Sungrow, SMA, Solis, Deye, Solplanet and Hoymiles among compatible inverter brands.
BYD battery price list (November 2026)
BYD does not publish Australian retail prices, so the only complete list by size is the SolarQuotes battery price list (updated 12 May 2026), which includes GST and the federal discount but not installation. The table adds our arithmetic: the discount at A$38 to A$40 per certificate, a before-discount price, A$3,000 for installation (SolarQuotes’ standard assumption) and A$2,300 to A$3,600 for a new hybrid inverter (SolarQuotes’ Sungrow 5 kW and 10 kW prices, used as an indicative range for any brand). Checked November 2026.
| Model | Usable kWh | Certificates (6.8 factor) | Federal discount | Battery after discount, not installed | Battery before discount (about) | Installed, existing hybrid inverter | Installed, new hybrid inverter |
|---|---|---|---|---|---|---|---|
| HVM 8.3 | 8.28 | 56 | A$2,128 to A$2,240 | Not listed | Not listed | Not listed | Not listed |
| HVM 11.0 | 11.04 | 75 | A$2,850 to A$3,000 | A$7,100 | A$9,950 to A$10,100 | A$10,100 | A$12,400 to A$13,700 |
| HVM 13.8 | 13.80 | 93 | A$3,534 to A$3,720 | A$8,100 | A$11,630 to A$11,820 | A$11,100 | A$13,400 to A$14,700 |
| HVM 16.6 | 16.56 | 105 | A$3,990 to A$4,200 | A$9,300 | A$13,290 to A$13,500 | A$12,300 | A$14,600 to A$15,900 |
| HVM 19.3 | 19.32 | 116 | A$4,408 to A$4,640 | A$10,600 | A$15,010 to A$15,240 | A$13,600 | A$15,900 to A$17,200 |
| HVM 22.1 | 22.08 | 128 | A$4,864 to A$5,120 | A$12,200 | A$17,060 to A$17,320 | A$15,200 | A$17,500 to A$18,800 |
| HVM 44.2 (two towers) | 44.16 | 168 | A$6,384 to A$6,720 | A$27,000 | A$33,380 to A$33,720 | At least A$30,000 | At least A$32,300 to A$33,600 |
The HVS (5.1 to 12.8 kWh) is sold in Australia, but we found no dated retail price list for it. Where an installer quotes an HVS, price it per kWh against the HVM figures below.
Source: SolarQuotes battery price list, updated 12 May 2026.
View the data as a table
| Price after discount | |
|---|---|
| HVM 11.0 | A$7,100 |
| HVM 13.8 | A$8,100 |
| HVM 16.6 | A$9,300 |
| HVM 19.3 | A$10,600 |
| HVM 22.1 | A$12,200 |
| HVM 44.2 | A$27,000 |
Each extra module costs about A$1,000 to A$1,600 more, so the HVM 22.1 costs A$5,100 more than the HVM 11.0 for double the storage.
Price per usable kWh
The cheapest BYD kWh is in the middle of the range. The chart divides each SolarQuotes price by its usable capacity (Solar Cobber calculation).
Source: SolarQuotes battery price list, updated 12 May 2026; Solar Cobber calculation (price divided by usable kWh). SolarQuotes lists these as needing a separate inverter. Integrated products such as the Sigenergy SigenStor are priced differently.
View the data as a table
| A$ per usable kWh | |
|---|---|
| BYD HVM 19.3 | A$549 |
| BYD HVM 22.1 | A$553 |
| BYD HVM 16.6 | A$562 |
| Sungrow SBR 16 | A$581 |
| BYD HVM 13.8 | A$587 |
| Sungrow SBR 12.8 | A$633 |
| BYD HVM 11.0 | A$643 |
| iStore 15 kWh | A$907 |
BYD HVM costs about A$550 to A$590 per usable kWh from 13.8 kWh up, in line with Sungrow’s SBR, and about A$640 at the 11.0 kWh entry size.
What changes the price
The inverter and site work move a BYD quote more than the modules do.
- The hybrid inverter. A Battery-Box has no inverter of its own. A hybrid inverter from BYD’s compatible list adds roughly A$2,300 to A$3,600 or more (SolarQuotes’ Sungrow prices; other brands differ). A Fronius GEN24 Plus or Sungrow SH-RS is the usual partner. See AC vs DC coupling if you have an older solar system.
- Module count and phase. BYD’s list sets minimum and maximum modules per inverter. A single-phase Fronius Primo GEN24 Plus takes only four to seven HVM modules, which caps it at the HVM 19.3.
- Installation. SolarQuotes assumes A$3,000 for a straightforward install next to the switchboard, and cable runs from a distant switchboard can add A$1,000 or more.
- Backup. Backup depends on the inverter and is often quoted as an extra.
- State rebates. Some states add a top-up (see battery rebates by state); SolarQuotes’ prices exclude them.
How the federal battery discount applies
The Cheaper Home Batteries Program gives an upfront discount through small-scale technology certificates (STCs). According to Energy Matters’ summary of the settings, installs from 1 May to 31 December 2026 earn 6.8 certificates per usable kWh for the first 14 kWh, 60% of that for the next 14 kWh and 15% for kWh 28 to 50.
Worked example, HVM 13.8: 13.8 x 6.8 = 93.84, so 93 certificates when rounded down. At A$38 to A$40 each (the Clean Energy Regulator Clearing House price is A$40, and the spot price traded near A$39.85 to A$39.90 through October 2026) that is A$3,534 to A$3,720. For an HVM 22.1: 14 x 6.8 + 8.08 x 4.08 = 128.17, so 128 certificates, A$4,864 to A$5,120. See the federal rebate guide.
The factor falls every six months, so the date of installation, not signing, sets the discount.
Source: STC factors from Energy Matters, 'Cheaper Home Batteries Program changes from 1 May 2026'; Solar Cobber calculation. Factors: 6.8, 5.7, 5.2, 4.6, 4.1, 3.6, 3.1, 2.6, 2.1 certificates per kWh.
View the data as a table
| Discount | |
|---|---|
| May-Dec 26 | A$3,720 |
| Jan-Jun 27 | A$3,120 |
| Jul-Dec 27 | A$2,840 |
| Jan-Jun 28 | A$2,520 |
| Jul-Dec 28 | A$2,240 |
| Jan-Jun 29 | A$1,960 |
| Jul-Dec 29 | A$1,680 |
| Jan-Jun 30 | A$1,400 |
| Jul-Dec 30 | A$1,120 |
The discount on a 13.8 kWh BYD falls by A$600 on 1 January 2027 and by about A$2,600 by the second half of 2030, so a delay costs real money.
Before and after the discount
- Before discount
- After discount
Source: SolarQuotes battery price list (12 May 2026); Solar Cobber calculation.
View the data as a table
| Before discount | After discount | |
|---|---|---|
| HVM 11.0 | A$10,100 | A$7,100 |
| HVM 13.8 | A$11,820 | A$8,100 |
| HVM 16.6 | A$13,500 | A$9,300 |
| HVM 19.3 | A$15,240 | A$10,600 |
| HVM 22.1 | A$17,320 | A$12,200 |
| HVM 44.2 | A$33,720 | A$27,000 |
The discount is about 30% off an HVM 11.0 to 22.1 and falls to about 20% on the two-tower HVM 44.2, because the program pays only 15% of the normal rate above 28 kWh.
BYD vs rivals on price
Installed, a BYD system is not the cheapest way into a battery. Solar Choice’s November 2026 index averages A$7,984 for 10 kWh and A$15,172 for 20 kWh, installed with an inverter, after the federal rebate and across all brands (updated 6 November 2026).
| System | Usable kWh | Installed with new inverter, after discount | Source basis |
|---|---|---|---|
| BYD HVM 11.0 | 11.04 | A$12,400 to A$13,700 | Solar Cobber, from SolarQuotes (May 2026) |
| All-brand average, 10 kWh | 10 | A$7,984 | Solar Choice Battery Price Index, November 2026 |
| BYD HVM 19.3 | 19.32 | A$15,900 to A$17,200 | Solar Cobber, from SolarQuotes (May 2026) |
| All-brand average, 20 kWh | 20 | A$15,172 | Solar Choice, November 2026 |
At 20 kWh BYD sits close to the market average; at 10 kWh it is well above it. For integrated alternatives see Sigenergy battery prices, Tesla Powerwall 3 prices, Sungrow battery prices, Fox ESS and GoodWe. Read our Sungrow SBR review for the closest like-for-like rival.
Is it worth it? A worked payback example
A BYD HVM 13.8 pays back inside its 10-year warranty only where power is dear and the battery is worked hard (Solar Cobber calculation, not a measured result).
Assumptions: the battery delivers 8 kWh of stored solar a day (2,920 kWh a year); each kWh avoids the 2026-27 Default Market Offer flat usage rate for the network and gives up an assumed 3 c/kWh export credit; losses and degradation are ignored. Prices: A$11,100 (existing hybrid inverter) and A$13,400 (new inverter at A$2,300). Rates are from the AER final determination as set out in our tariff data, GST inclusive.
| Network | Usage rate | Saving a year | Payback at A$11,100 | Payback at A$13,400 |
|---|---|---|---|---|
| SA Power Networks | 41.9103 c/kWh | A$1,136 | 9.8 years | 11.8 years |
| Essential Energy | 35.0054 c/kWh | A$935 | 11.9 years | 14.3 years |
| Endeavour Energy | 33.7273 c/kWh | A$897 | 12.4 years | 14.9 years |
| Ausgrid | 33.1372 c/kWh | A$880 | 12.6 years | 15.2 years |
| Energex | 27.9744 c/kWh | A$729 | 15.2 years | 18.4 years |
- Existing hybrid inverter (A$11,100)
- New inverter (A$13,400)
View the data as a table
| Existing hybrid inverter (A$11,100) | New inverter (A$13,400) | |
|---|---|---|
| SA Power Networks | 9.8 yrs | 11.8 yrs |
| Essential Energy | 11.9 yrs | 14.3 yrs |
| Endeavour Energy | 12.4 yrs | 14.9 yrs |
| Ausgrid | 12.6 yrs | 15.2 yrs |
| Energex | 15.2 yrs | 18.4 yrs |
Only the Adelaide case pays back well inside the warranty. A household cycling 4 kWh a day roughly doubles each figure. Households on time-of-use or solar-sharing plans should model their own bill: our battery size guide helps.
The warranty clock
BYD’s warranty ends at 70% capacity, 10 years or the throughput cap, whichever comes first. For the HVM 13.8 the cap is 42.69 MWh, about 3.09 MWh per usable kWh (our division of BYD’s table). At 8 kWh a day that lasts about 14.6 years, so the 10 years applies; at one full 13.8 kWh cycle a day it lasts about 8.5 years. See how long solar batteries last.
What to check on your quote
- The exact BYD model (HVM or HVS) and module count, and that your exact inverter model and module count are on BYD’s current compatible list. The warranty excludes inverters not on it.
- The certificates claimed, the price per certificate and the installation date.
- A line-by-line inverter price, installation, backup and switchboard work.
- Written confirmation the model is on the Clean Energy Council approved battery list on install day. Our October 2026 review recorded HVM and HVS listings expiring in December 2026 and January 2027; we could not reload the live list, which needs JavaScript, so check it yourself.
- BYD’s Australian importer and service partner: the HVM (AU) datasheet (V1.5, 29 September 2026) names BYD Australia Pty Ltd as importer and Alps Power Pty Ltd as service partner.
Get at least three quotes (how to compare solar quotes), compare bundles in our solar and battery package prices guide, and find installers in our directory. Check any installer on the Clean Energy Council approved retailer list and the Solar Accreditation Australia register yourself.
FAQ
How much does a BYD battery cost in Australia?
A BYD Battery-Box Premium HVM costs about A$7,100 (11.0 kWh) to A$12,200 (22.1 kWh) after the federal discount, before installation and inverter, on SolarQuotes’ May 2026 list. Installed with a new inverter, an HVM 13.8 is about A$13,400 to A$14,700.
What is the BYD battery box price?
The Battery-Box Premium HVM 13.8 is about A$8,100 after the federal discount, excluding installation and inverter (SolarQuotes, 12 May 2026). Add about A$3,000 for installation and A$2,300 to A$3,600 for a hybrid inverter if you need one.
What is the BYD HVM price?
The HVM range is A$7,100 (HVM 11.0), A$8,100 (13.8), A$9,300 (16.6), A$10,600 (19.3), A$12,200 (22.1) and A$27,000 (44.2), all after the federal discount and before installation (SolarQuotes, May 2026). The HVM 8.3 is not on that list.
Is a BYD battery cheaper than a Sungrow or Tesla?
A BYD HVM 13.8 and a Sungrow SBR 12.8 are both about A$8,100 after the discount, but both need a separate inverter, which Tesla’s Powerwall 3 includes. Compare installed quotes, not battery-only prices.
How much is the federal rebate on a BYD battery?
About A$3,534 to A$3,720 on an HVM 13.8 installed from 1 May to 31 December 2026, at A$38 to A$40 per certificate. It falls to about A$3,120 at A$40 from 1 January 2027.
What inverters work with a BYD battery?
BYD’s compatible inverter list (V2.22, 10 October 2026) includes Fronius, GoodWe, Kostal, Sungrow, SMA, Solis, Deye, Solplanet and Hoymiles models, each with set module counts. Pair the exact models, not just the brand.
How long is the BYD battery warranty?
Ten years, or until the throughput cap of about 3 MWh per usable kWh is reached, whichever comes first, per BYD’s Australian Limited Warranty V1.1. The throughput cap applies to every kind of use.
Is the BYD HVS cheaper than the HVM?
We found no dated retail price list for the HVS, so we cannot say. The HVS has smaller modules (2.56 kWh against 2.76 kWh) and lower current, so compare quotes per usable kWh.
Sources
- SolarQuotes: Solar battery prices and system costs in Australia (updated 12 May 2026)
- Solar Choice: Battery Price Index (updated 6 November 2026)
- BYD Battery-Box: downloads page (Australian datasheet V1.5, warranty V1.1)
- BYD Battery-Box Premium HVS and HVM Compatible Inverter List V2.22 (PDF)
- Energy Matters: Cheaper Home Batteries Program changes from 1 May 2026
- Australian Energy Regulator: final Default Market Offer 2026-27
- Clean Energy Regulator: buy and sell small-scale technology certificates
- Demand Manager: Certificate Report October 2026 (PDF)
About this guide
This guide was written by the Solar Cobber editorial team from independent desk research, checked in November 2026. We did not test products or obtain quotes. Solar Cobber is a free directory that may earn referral or advertising fees from installers; commercial relationships never affect our content. Prices change quickly and this is general information, not financial advice. To report an error, contact us.
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