Auxiliary Battery
FailDemand is soft, at -18.4% this quarter, so Auxiliary Battery is a Fail.
- Flapen Score
- 42 / 100Ranks 5,591 of 7,287 Automotive niches · −7 vs the category median of 4942
- Market size
- $255K/yr139K searches / yr
- 90-day growth
- -18.4%search demand this quarter
- Competition
- 60%top-5 click share · 13 brands · 34 sellers
Flapen Score
Auxiliary Battery against its category
The dotted line is the Automotive average. Past it, Auxiliary Battery is stronger. Inside it, weaker.
Market
The Auxiliary Battery market on Amazon at a glance
Shoppers on Amazon United States searched for Auxiliary Battery 139K times last year and spent an estimated $255K. The top 5 brands take 77% of clicks. Demand peaks in Nov. Flapen scores it 42 out of 100, a Fail.
01 · Demand
An estimated 2.0% of those searches ended in a purchase.
Shoppers searched for this 139K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.0% of those searches ended in a purchase. Searches in the last 90 days moved -18.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $255K a year.
- Searches, last 12 months
- 139K
- Growth, 90 days vs prior 90
- -18.4%
- Conversion, latest week
- 2.0%
- Market size, estimated
- $255Ka year
- Peak month
- November1.7× the quietest month
- Top search term
- auxiliary battery47K searches a year
02 · Price
A sale here is worth $91.51.
Listings sell for $91.51 on average, from $39.07 to $172.15. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $91.51 that is $9K to $23K a year per listing.
- Average price
- $91.51inside the $15 to $100 sweet spot
- Price range
- $39.07–$172.15
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $9K–$23K
- Returns
- 3.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
89% of listings pay for placement with sponsored ads. 61% ship with Prime. On an average day, 17.3% of listings are out of stock. The average listing ranks #231 within Batteries & Accessories. It carries 1,802 reviews at 4.39 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 61%
- Out of stock, average day
- 17.3%
- Average rank
- #231in Batteries & Accessories
- Average rating
- 4.39 starsAmazon United States average 4.42 stars
- Average reviews
- 1,802per listing
- Listings tracked
- 18
04 · Newcomers
5 of last year's 9 launches cleared the first-year sales bar.
9 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 67 months on average, so the names here are established.
- Launched, last 12 months
- 9
- Successful launches
- 5Amazon's first-year sales bar
- Average brand age
- 67 months
Products
Top Auxiliary Battery products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Weize AUX14 AGM Auxiliary Battery 36 Months Warranty 200CCA BCI Group 400 Battery
- Price
- $93.20
- Rating
- 4.4/5
- Reviews
- 4,734
- Age
- 1y ago

ACDelco Gold AUX14-200 (88866185) 36 Month Warranty Auxiliary AGM 200 CCA Battery
- Price
- $104.64
- Rating
- 4.3/5
- Reviews
- 798
- Age
- 5y ago

Mighty Max Battery MM-AUX14 Auxiliary Battery 12V 14Ah 22RC 200 CCA Rechargeable AGM Car Battery
- Price
- $98.17
- Rating
- 4.1/5
- Reviews
- 1,307
- Age
- 1y ago

Daakmax Platinum AUX14 AGM Auxiliary Battery - Group 400 12V 14Ah 200 CCA 20 RC Rechargeable Car Battery with 36-Month Warranty
- Price
- $81.49
- Rating
- 4.4/5
- Reviews
- 70
- Age
- 3mo ago

Goodyear AUX12-AGM 12V 12 AH 20RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery
- Price
- $97.98
- Rating
- 4.4/5
- Reviews
- 257
- Age
- 12mo ago
Trending
estimated 90-day click momentum
Auxiliary Battery Marxon AUX14 12V 14Ah 200 CCA AGM Maintenance Free Rechargeable SLA Backup Batteries BCI Group 400
- Price
- $87.39
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

UPLUS Auxiliary Battery AUX14-UP 12V 14Ah 200 CCA AGM Maintenance Free Rechargeable SLA Backup Batteries replace for AUX14 AUX12 BCI Group 400
- Price
- $78.98
- Rating
- 4.5/5
- Reviews
- 1,090
- Age
- 6mo ago

Daakmax Platinum AUX14 AGM Auxiliary Battery - Group 400 12V 14Ah 200 CCA 20 RC Rechargeable Car Battery with 36-Month Warranty
- Price
- $81.49
- Rating
- 4.4/5
- Reviews
- 70
- Age
- 3mo ago

AUX14 Auxiliary Battery 12V 14 AH AGM Battery 360 CCA Rechargeable AGM Maintenance Free 38 Months Warranty
- Price
- $79.69
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

Autocessking AUX14 BCI Group 400 AGM Auxiliary Battery 12V 14Ah 200 CCA 20 RC Rechargeable
- Price
- $82.00
- Rating
- 4.6/5
- Reviews
- 106
- Age
- 10mo ago
Newest
by launch date
Daakmax Platinum AUX14 AGM Auxiliary Battery - Group 400 12V 14Ah 200 CCA 20 RC Rechargeable Car Battery with 36-Month Warranty
- Price
- $81.49
- Rating
- 4.4/5
- Reviews
- 70
- Age
- 3mo ago

AUX14 Auxiliary Battery 12V 14 AH AGM Battery 360 CCA Rechargeable AGM Maintenance Free 38 Months Warranty
- Price
- $79.69
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

Auxiliary Battery Marxon AUX14 12V 14Ah 200 CCA AGM Maintenance Free Rechargeable SLA Backup Batteries BCI Group 400
- Price
- $87.39
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

UPLUS Auxiliary Battery AUX14-UP 12V 14Ah 200 CCA AGM Maintenance Free Rechargeable SLA Backup Batteries replace for AUX14 AUX12 BCI Group 400
- Price
- $78.98
- Rating
- 4.5/5
- Reviews
- 1,090
- Age
- 6mo ago

Relistart AUX14 Auxiliary Battery 12V 14Ah AGM Battery 200 CCA Rechargeable AGM Car Battery BCI Group Size 400 Maintenance Free Battery
- Price
- $98.45
- Rating
- 4.4/5
- Reviews
- 12
- Age
- 7mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 rising
Sellers
34
Est. top-5 brand share
77%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 100%
Open market
17%
- WEIZE23%
- ACDelco19%
- Mighty Max Battery15%
- Goodyear12%
- Daakmax8%
- Autocessking5%
- Open — no brand owns it (7 brands, 17%)
Demand
Auxiliary Battery search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Nov · busiest ÷ quietest = 1.7×
Search terms
Top Auxiliary Battery search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- auxiliary battery47K/yr
- aux14 battery13K/yr
- aux14 agm auxiliary battery4K/yr
- chrysler pacifica auxiliary battery8K/yr
- jeep auxiliary battery5K/yr
- aux battery8K/yr
- 2020 chrysler pacifica aux battery3K/yr
- start stop battery3K/yr
- aux 14 battery5K/yr
- volvo auxiliary battery5K/yr
Reviews and returns
What reviews say buyers love and hate about Auxiliary Battery
We read the reviews and the return reasons for every product selling here.
“Short battery life”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Auxiliary Battery questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









