Fox ESS vs Sigenergy:Which is more popular?
In September 2026, Sigenergy had more branded searches than Fox ESS among home battery brands in the United Kingdom. Sigenergy had about 8,100 branded searches, while Fox ESS had 2,900. Sigenergy made up 28.4% of all home battery brand searches we track, and Fox ESS accounted for 10.2%. When we asked ChatGPT and Google AI Overviews about home battery brands, Fox ESS appeared in three of the five answers and Sigenergy in one. Fox ESS was mentioned before Sigenergy in every answer that named either.
Who do people search for more?
Sigenergy, about 3 searches for every 1 for Fox ESS
Who does AI mention more?
Fox ESS, mentioned in 3 of 5 answers, Sigenergy in 1
Who does AI recommend more?
Fox ESS, named ahead of Sigenergy in 2 of 2 answers
Follow Fox ESS vs Sigenergy and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top home battery brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Fox ESS was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Sigenergy was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Fox ESS was listed before Sigenergy in every answer 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.
Tesla3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Fox ESS3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
GivEnergy2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Sigenergy1 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
myenergi1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Sunsynk0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
SolarEdge0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Puredrive Energy0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Duracell Energy0 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 for solar panels in the UK?”
Asked ChatGPT
“Which home battery brand is the most reliable?”
Asked ChatGPT
“Is a home battery worth it in the UK?”
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 United Kingdom on October 27, 2026.
Is Fox ESS or Sigenergy more popular in search?
This chart shows how often people search Google for Fox ESS 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 United Kingdom.
Share of searches by month for Sigenergy, Fox ESS. The figures are in the table below the chart.
View monthly share of searches table
| Month | Sigenergy | Tesla | GivEnergy | Fox ESS | Sunsynk | SolarEdge | Enphase | Puredrive Energy | myenergi | Duracell Energy |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 19.4% | 19.4% | 35.9% | 5.7% | 10.4% | 3.2% | 1.7% | 2.1% | 1.4% | 0.75% |
| Nov 2025 | 17.8% | 21.9% | 34.5% | 6.5% | 9.7% | 2.9% | 1.9% | 2.4% | 1.3% | 1.1% |
| Dec 2025 | 19.7% | 19.7% | 38% | 5.8% | 8.5% | 2.6% | 1.4% | 2.1% | 1.2% | 0.94% |
| Jan 2026 | 18.8% | 23% | 34.8% | 8.4% | 6.6% | 2.5% | 1.7% | 2.1% | 1.4% | 0.9% |
| Feb 2026 | 21.4% | 21.4% | 33.6% | 7.5% | 7.5% | 2.8% | 1.5% | 1.9% | 1.3% | 1% |
| Mar 2026 | 19.1% | 23.3% | 35.3% | 6.8% | 6.8% | 3.1% | 1.7% | 1.7% | 1.4% | 0.75% |
| Apr 2026 | 13.4% | 13.4% | 60.8% | 3.9% | 3.9% | 1.4% | 0.97% | 0.97% | 0.8% | 0.43% |
| May 2026 | 16.7% | 20.5% | 42.3% | 6.1% | 7.3% | 2.2% | 1.2% | 1.8% | 1.2% | 0.66% |
| Jun 2026 | 21.5% | 21.5% | 32.6% | 7.8% | 7.8% | 2.9% | 1.6% | 1.9% | 1.3% | 1% |
| Jul 2026 | 25.6% | 20.9% | 26% | 9.3% | 9.3% | 2.8% | 1.5% | 2.3% | 1.2% | 1% |
| Aug 2026 | 24.5% | 30.1% | 21.2% | 8.9% | 7.1% | 2.7% | 1.4% | 2.2% | 0.97% | 0.97% |
| Sep 2026 | 28.4% | 23.2% | 21.1% | 10.2% | 8.4% | 3.1% | 1.7% | 1.7% | 1.4% | 0.91% |
How has the Fox ESS and Sigenergy comparison changed over the last 12 months?
3 findings
- Sigenergy was ahead of Fox ESS in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Fox ESS’s share of searches among home battery brands in the United Kingdom moved from 5.7% to 10.2%, and its estimated monthly branded searches moved from 1.6K to 2.9K.
- Across the 12 months ending September 2026, Sigenergy’s share of searches among home battery brands in the United Kingdom moved from 19.4% to 28.4%, and its estimated monthly branded searches moved from 5.4K to 8.1K.
How did search popularity change for United Kingdom home battery brands in September 2026?
2 changes
In September 2026, Sigenergy overtook Tesla to become the leader among home battery brands in the United Kingdom, with 28.4% of the searches.
In September 2026, Fox ESS gained share of searches among home battery brands in the United Kingdom, from 8.9% to 10.2%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Fox ESS’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.
Other head-to-heads among home battery brands
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.