BYD vs Sigenergy:Which is more popular?
In September 2026, Sigenergy had more branded searches than BYD among home battery brands in Australia. Sigenergy had about 8,100 branded searches, while BYD had 1,000. Sigenergy made up 25.3% of all home battery brand searches we track, and BYD accounted for 3.1%. When we asked ChatGPT and Google AI Overviews about home battery brands, BYD and Sigenergy each appeared in two of the five answers. BYD was mentioned before Sigenergy in two out of three answers that named either.
Who do people search for more?
Sigenergy, about 8 searches for every 1 for BYD
Who does AI mention more?
Both were mentioned in 2 of 5 answers.
Who does AI recommend more?
BYD, named ahead of Sigenergy in 2 of 3 answers
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Top home battery brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, BYD was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Sigenergy was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. BYD was listed before Sigenergy in two out of three answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Sungrow4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Tesla4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Sigenergy2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
GoodWe2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- BYD2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
AlphaESS1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
SolarEdge1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Enphase1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Fox ESS0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Redback Technologies0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about home battery brands
5 answers
Asked ChatGPT
“What's the best home battery to add to solar in Australia?”
Asked ChatGPT
“Which solar battery brand is the most reliable?”
Asked ChatGPT
“Is it worth getting a home battery with the government rebate?”
Searched Google, AI Overview
“solar battery”
Searched Google, AI Overview
“home battery”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in Australia on October 27, 2026.
Is BYD or Sigenergy more popular in search?
This chart shows how often people search Google for BYD and Sigenergy by name. Each line represents a brand's share of searches for all ten home battery brands we track, month by month, from searches in Australia.
Share of searches by month for Sigenergy, BYD. The figures are in the table below the chart.
View monthly share of searches table
| Month | Sigenergy | GoodWe | Fox ESS | Sungrow | AlphaESS | Tesla | BYD | Redback Technologies | SolarEdge | Enphase |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 28.6% | 5.7% | 19.6% | 15.6% | 10.4% | 8.5% | 3.1% | 2.4% | 3.8% | 2.4% |
| Nov 2025 | 29.1% | 5.7% | 19.3% | 15.9% | 10.6% | 8.6% | 2.6% | 2.6% | 3.1% | 2.6% |
| Dec 2025 | 24.9% | 9% | 16.3% | 16.6% | 11.1% | 9% | 3.3% | 2.5% | 4% | 3.3% |
| Jan 2026 | 22.6% | 12.3% | 20.5% | 15% | 8.2% | 8.2% | 3.6% | 3% | 3.6% | 3% |
| Feb 2026 | 22% | 14.7% | 21.8% | 14.7% | 8% | 8% | 3.6% | 2.2% | 2.9% | 2.2% |
| Mar 2026 | 17.2% | 17.2% | 23.4% | 14.1% | 6.3% | 11.5% | 4.2% | 1.7% | 2.8% | 1.7% |
| Apr 2026 | 18.8% | 18.8% | 20.9% | 12.5% | 10.2% | 8.3% | 3.6% | 2.5% | 2.5% | 1.9% |
| May 2026 | 23.6% | 15.8% | 16.9% | 12.8% | 10.5% | 8.5% | 3.8% | 2.9% | 2.6% | 2.6% |
| Jun 2026 | 22.1% | 18.1% | 14.4% | 12% | 9.7% | 9.7% | 3.3% | 4.4% | 3.3% | 2.9% |
| Jul 2026 | 25.8% | 21% | 13.7% | 11.5% | 7.6% | 9.2% | 2.8% | 3.2% | 2.8% | 2.3% |
| Aug 2026 | 24.8% | 20.2% | 13.1% | 11% | 8.9% | 11% | 3.1% | 3.1% | 2.7% | 2.2% |
| Sep 2026 | 25.3% | 20.6% | 13.4% | 11.3% | 9.1% | 9.1% | 3.1% | 3.1% | 2.8% | 2.3% |
BYD sells other things too, so only its searches that name this product count here, like “byd battery”.
How has the BYD and Sigenergy comparison changed over the last 12 months?
3 findings
- Sigenergy was ahead of BYD in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, BYD’s share of searches among home battery brands in Australia held steady at 3.1%, and its estimated monthly branded searches moved from 1.3K to 1K.
- Across the 12 months ending September 2026, Sigenergy’s share of searches among home battery brands in Australia moved from 28.6% to 25.3%, and its estimated monthly branded searches moved from 12.1K to 8.1K.
How did search popularity change for Australia home battery brands in September 2026?
2 changes
In September 2026, Sigenergy gained share of searches among home battery brands in Australia, from 24.8% to 25.3%.
Estimated monthly branded searches for BYD in Australia fell 23.1% over 12 measured months, from 1.3K to 1K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using BYD’s and Sigenergy’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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