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Home battery · BYD · CEC approved October 2023
A 12.8 kWh home battery — smaller home size, the 10–15 kWh band.
Read from the figures on this page. No review written yet.
The numbers that matter for a home. The full datasheet is below.
Usable capacity
How much energy it stores for you to use
Continuous power
How much it can run at once — most of a home, but not everything at full tilt
Round-trip efficiency
How much of the energy you store comes back out
Depth of discharge
How much of the battery you can actually use
Warranty
60% of capacity guaranteed at the end of it
Battery chemistry
Lithium iron phosphate — the long-cycle-life type
Every figure on file for the BYD HVS, by section.
| Specification | Value |
|---|---|
| Cell & chemistry | |
| Chemistry | LFP |
| Capacity & power | |
| Nominal capacity | 12.8 kWh |
| Usable capacity | 12.8 kWh |
| Continuous power | 7.65 kW |
| Round-trip efficiency | 96% |
| Lifespan & degradation | |
| Capacity retained at year 10 | 60% |
| Warranted throughput | 30.82 MWh |
| Physical | |
| Dimensions (H×W×D) | 585 × 712 × 298 mm |
| Weight | 91 kg |
| IP rating | IP55 |
| Operating environment | |
| Operating temperature | -10°C to 50°C |
| Installation requirements | |
| Cable gauge | 10 mm² |
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.
This warranty covers defects and performance for 10 years. It excludes damage from improper installation. Claims can be made through BYD or a partner.
10
years
30.82
MWh
50°
celsius
Level 0
No Backup
BYD Australia
Direct manufacturer warranty through Australian subsidiary.
Rated to 50°C, which covers Perth's hottest days.
CSIP-AUS compliant
On the Synergy Supported Solutions List (SSL) for remote management.
Synergy SSL approved inverter
Pairs with FRONIUS AUSTRALIA PTY LTD SYMO GEN24 PLUS SC.
VPP activation ready
Ready for Synergy VPP participation.
WA Battery Scheme rebate
Up to $1,300 for Synergy customers (10kWh max eligible).
Synergy Battery Rewards
Earns credits during VPP activation events (up to 30/year).
Interest-free loan
Qualifies for up to $10,000 interest-free.
Under current WA rules, new rebate applications require VPP enrolment and CSIP-AUS compliance. How the scheme works · Estimate VPP earnings
10 years in the Australian market
Extracted from the installation manual
Showing 14 of 14. The official install manual is the authoritative source — always confirm before acting.
11criticalCall your installerBMS and BMU communication failure
14criticalCall your installerSystem initiating failed
2criticalCall your installerPrecharge transistor or relay failure
4criticalCall your installerBattery sensor failure
5criticalCall your installerBCU voltage sensor faulty
6criticalCall your installerCurrent sensor failure
8criticalCall your installerPrecharge failed
1warningCall your installerDC cable connection incorrect
12warningInverter communication failure
3warningBIC communication failed
7warningCell data abnormal
9warningBIC balancing failed
10infoReserved
13infoAddress registration failed
$10,900
Typical installed price, before rebates
The WA Battery Scheme pays $1,300 on this size when it is installed with a Synergy-approved inverter and enrolled in a VPP. STCs assume about $39.9 a certificate. Estimates only; your quote will vary.
Usable capacity, for one battery system
This battery is one unit in the smaller home band. The WA rebate caps at 10 kWh, but that is a rebate limit, not a sizing guide.
Estimated federal rebate (STCs) for this 12.8 kWh battery
The BYD HVS 12.8 against the closest-sized batteries from other brands.
| Specification | BYD HVS 12.8BYD | Business Battery Solutions 22-01-600281Business Battery Solutions | |
|---|---|---|---|
| Usable capacity? | 12.8 kWh | 12.8 kWh | 12.8 kWh |
| Continuous power? | 7.65 kW | Not verified | 8.96 kWbest value |
| Peak power? | Not verified | Not verified | Not verified |
| Round-trip efficiency? | 96%best value | 92% | 94% |
| Warranty | 10 years | Not verified | 10 years |
| Chemistry | LFP | LFP | LFP |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
CEC-approved inverters compatible with BYD batteries.
Fronius
Symo GEN24 3.0 Plus (AS4777-2 2020)
Fronius
Symo GEN24 3.0 Plus SC (AS4777-2 2020)
Fronius
Symo GEN24 4.0 Plus (AS4777-2 2020)
Fronius
Symo GEN24 4.0 Plus SC (AS4777-2 2020)
Fronius
Symo GEN24 5.0 Plus (AS4777-2 2020)
Fronius
Symo GEN24 5.0 Plus SC (AS4777-2 2020)
Other CEC-approved products from BYD available in Australia.
Get a quote from an installer from our network that covers your area. You choose whether to act on it. 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 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.