--- title: "auxiliary battery — Niche Verdict: Skip it (51/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/auxiliary-battery" last_updated: "2026-07-10T02:31:54.125Z" locale: en meta: description: "a small market ($255K/yr) — auxiliary battery doesn't clear our bar today." "og:description": "a small market ($255K/yr) — auxiliary battery doesn't clear our bar today." "og:title": "auxiliary battery — Niche Verdict: Skip it (51/100) | Amazon United States - Flapen" --- Back to Flapen home # **auxiliary battery** **Skip it****51/100 ** a small market ($255K/yr) — auxiliary battery doesn't clear our bar today. **Market/yr** **$255K** **Growth (1y)** **+294.9%** **Products** **18** **Brands** **13** was 8 a year ago **Sellers** **34** **Price range** **$39.07–$172.15** **Returns** **3.6%** **Rating** **4.4★** **Skip it** Scored 51/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **13** ×0.30 Growth **85** ×0.30 Competition **46** ×0.20 Quality gap **51** ×0.10 Returns **71** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +294.9% year over year. 4K2KSpike '24Holiday '24Prime Day '25Spike '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Nov · busiest ÷ quietest = 1.7× ## **Competition** - WEIZE23% - ACDelco19% - Mighty Max Battery15% - Goodyear12% - Daakmax8% - Autocessking5% - Other (7 brands)17% The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them. 13 brands and 34 sellers compete here. **Brands** **13 **▲rising was 8 a year ago **Sellers** **34** **Top 5 brand share** **77%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Weize AUX14 AGM Auxiliary Battery 36 Months Warranty 200CCA BCI Group 400 Battery](https://m.media-amazon.com/images/I/41zU2fxyIgL.jpg) [**Weize AUX14 AGM Auxiliary Battery 36 Months Warranty 200CCA BCI Group 400 Battery**](https://www.amazon.com/dp/B0DRYSFQ6T) WEIZE$93.204.4★4,73421%▼falling 2 ![ACDelco Gold AUX14-200 (88866185) 36 Month Warranty Auxiliary AGM 200 CCA Battery](https://m.media-amazon.com/images/I/51LR0ek3XYL.jpg) [**ACDelco Gold AUX14-200 (88866185) 36 Month Warranty Auxiliary AGM 200 CCA Battery**](https://www.amazon.com/dp/B08W5HH5FD) ACDelco$104.644.3★79818%▼falling 3 ![Mighty Max Battery MM-AUX14 Auxiliary Battery 12V 14Ah 22RC 200 CCA Rechargeable AGM Car Battery](https://m.media-amazon.com/images/I/41zHlZN-NAL.jpg) [**Mighty Max Battery MM-AUX14 Auxiliary Battery 12V 14Ah 22RC 200 CCA Rechargeable AGM Car Battery**](https://www.amazon.com/dp/B0DS41GX4Y) Mighty Max Battery$98.174.1★1,3078%▼falling 4 ![Daakmax Platinum AUX14 AGM Auxiliary Battery - Group 400 12V 14Ah 200 CCA 20 RC Rechargeable Car Battery with 36-Month Warranty](https://m.media-amazon.com/images/I/417U0cZxucL.jpg) [**Daakmax Platinum AUX14 AGM Auxiliary Battery - Group 400 12V 14Ah 200 CCA 20 RC Rechargeable Car Battery with 36-Month Warranty**](https://www.amazon.com/dp/B0GWLZL89B) Daakmax$81.494.4★708%▲rising 5 ![Goodyear AUX12-AGM 12V 12 AH 20RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery](https://m.media-amazon.com/images/I/01RmK+J4pJL.gif) [**Goodyear AUX12-AGM 12V 12 AH 20RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery**](https://www.amazon.com/dp/B0FHJ7YSZY) Goodyear$97.984.4★2576%▲rising 6 ![Goodyear AUX14-AGM BCI Group Size 400 12V 14 AH 22RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery](https://m.media-amazon.com/images/I/51JyEcDYJyL.jpg) [**Goodyear AUX14-AGM BCI Group Size 400 12V 14 AH 22RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery**](https://www.amazon.com/dp/B0FHJ6ZMKL) Goodyear$119.744.4★2576%▼falling 7 ![Autocessking AUX14 BCI Group 400 AGM Auxiliary Battery 12V 14Ah 200 CCA 20 RC Rechargeable](https://m.media-amazon.com/images/I/41PrAno5sbL.jpg) [**Autocessking AUX14 BCI Group 400 AGM Auxiliary Battery 12V 14Ah 200 CCA 20 RC Rechargeable**](https://www.amazon.com/dp/B0FQWD4WDZ) Autocessking$82.004.6★1065%▲rising 8 ![UPLUS Auxiliary Battery AUX14-UP 12V 14Ah 200 CCA AGM Maintenance Free Rechargeable SLA Backup Batteries replace for AUX14 AUX12 BCI Group 400](https://m.media-amazon.com/images/I/417PK0N3VKL.jpg) [**UPLUS Auxiliary Battery AUX14-UP 12V 14Ah 200 CCA AGM Maintenance Free Rechargeable SLA Backup Batteries replace for AUX14 AUX12 BCI Group 400**](https://www.amazon.com/dp/B0G8F6VM28) UPLUS NEW TECHNOLOGY BATTERY$78.984.5★1,0905%▲rising 9 ![Mighty Max Battery MM-AUX12 Auxiliary Battery 12V 12Ah 20RC 200 CCA Rechargeable AGM Car Battery](https://m.media-amazon.com/images/I/419B83SuqLL.jpg) [**Mighty Max Battery MM-AUX12 Auxiliary Battery 12V 12Ah 20RC 200 CCA Rechargeable AGM Car Battery**](https://www.amazon.com/dp/B0F84HZNSM) Mighty Max Battery$84.094.1★1,3074%—flat 10 ![Relistart AUX14 Auxiliary Battery 12V 14Ah AGM Battery 200 CCA Rechargeable AGM Car Battery BCI Group Size 400 Maintenance Free Battery](https://m.media-amazon.com/images/I/51JsaJuP7UL.jpg) [**Relistart AUX14 Auxiliary Battery 12V 14Ah AGM Battery 200 CCA Rechargeable AGM Car Battery BCI Group Size 400 Maintenance Free Battery**](https://www.amazon.com/dp/B0G3P9MV2Y) Relistart$98.454.4★123%▲rising 11 ![Mighty Max Battery YTX14-BS - 12 Volt 12 AH 200 CCA Rechargeable Maintenance Free SLA AGM Motorcycle Battery](https://m.media-amazon.com/images/I/41h0m0QF59L.jpg) [**Mighty Max Battery YTX14-BS - 12 Volt 12 AH 200 CCA Rechargeable Maintenance Free SLA AGM Motorcycle Battery**](https://www.amazon.com/dp/B00K537T9C) Mighty Max Battery$39.074.2★7,8823%—flat 12 ![Weize YTX14 BS ATV Battery High Performance - Maintenance Free - Sealed AGM YTX14-BS Motorcycle Battery compatible with Honda Suzuki Kawasaki Yamaha scooter snowmobile](https://m.media-amazon.com/images/I/51USqcIJJNL.jpg) [**Weize YTX14 BS ATV Battery High Performance - Maintenance Free - Sealed AGM YTX14-BS Motorcycle Battery compatible with Honda Suzuki Kawasaki Yamaha scooter snowmobile**](https://www.amazon.com/dp/B07P6Z7TV3) WEIZE$46.604.4★12,6743%▼falling 13 ![AUX14 Auxiliary Battery 12V 14 AH AGM Battery 360 CCA Rechargeable AGM Maintenance Free 38 Months Warranty](https://m.media-amazon.com/images/I/51805gidiDL.jpg) [**AUX14 Auxiliary Battery 12V 14 AH AGM Battery 360 CCA Rechargeable AGM Maintenance Free 38 Months Warranty**](https://www.amazon.com/dp/B0GGHFNTM4) Forgetyo$79.695.0★12%▲rising 14 ![Interstate Batteries AGM Auxiliary Battery 12V 12Ah (Group Size AUX14) Maintenance Free Rechargeable Automotive Battery (MTX-AUX14)](https://m.media-amazon.com/images/I/413V-7dRPxL.jpg) [**Interstate Batteries AGM Auxiliary Battery 12V 12Ah (Group Size AUX14) Maintenance Free Rechargeable Automotive Battery (MTX-AUX14)**](https://www.amazon.com/dp/B0FV3TYJ4R) Interstate Batteries$172.154.5★4022%▲rising 15 ![ExpertPower YTX14-BS ATV Battery - 220 CCA AGM Motorcycle Battery 12V 14Ah 10Hr ETX14-BS UTV Scooter Snowmobile 4 Wheeler Powersports Batteries Fourtrax 300 Rancher 420 Pioneer 500-700-1000](https://m.media-amazon.com/images/I/41XvY7JqDaL.jpg) [**ExpertPower YTX14-BS ATV Battery - 220 CCA AGM Motorcycle Battery 12V 14Ah 10Hr ETX14-BS UTV Scooter Snowmobile 4 Wheeler Powersports Batteries Fourtrax 300 Rancher 420 Pioneer 500-700-1000**](https://www.amazon.com/dp/B075FGL62R) ExpertPower$44.604.3★1,4632%▼falling **~~Showing 15 of 18 — show all ~~** ## **Product shelf** All 18 tracked products in this niche. Top sellersNewestTrending [![Weize AUX14 AGM Auxiliary Battery 36 Months Warranty 200CCA BCI Group 400 Battery](https://m.media-amazon.com/images/I/41zU2fxyIgL.jpg)**Weize AUX14 AGM Auxiliary Battery 36 Months Warranty 200CCA BCI Group 400 Battery** WEIZE**$93.20**4.4★4,734 reviews](https://www.amazon.com/dp/B0DRYSFQ6T) [![ACDelco Gold AUX14-200 (88866185) 36 Month Warranty Auxiliary AGM 200 CCA Battery](https://m.media-amazon.com/images/I/51LR0ek3XYL.jpg)**ACDelco Gold AUX14-200 (88866185) 36 Month Warranty Auxiliary AGM 200 CCA Battery** ACDelco**$104.64**4.3★798 reviews](https://www.amazon.com/dp/B08W5HH5FD) [![Mighty Max Battery MM-AUX14 Auxiliary Battery 12V 14Ah 22RC 200 CCA Rechargeable AGM Car Battery](https://m.media-amazon.com/images/I/41zHlZN-NAL.jpg)**Mighty Max Battery MM-AUX14 Auxiliary Battery 12V 14Ah 22RC 200 CCA Rechargeable AGM Car Battery** Mighty Max Battery**$98.17**4.1★1,307 reviews](https://www.amazon.com/dp/B0DS41GX4Y) [![Daakmax Platinum AUX14 AGM Auxiliary Battery - Group 400 12V 14Ah 200 CCA 20 RC Rechargeable Car Battery with 36-Month Warranty](https://m.media-amazon.com/images/I/417U0cZxucL.jpg)**Daakmax Platinum AUX14 AGM Auxiliary Battery - Group 400 12V 14Ah 200 CCA 20 RC Rechargeable Car Battery with 36-Month Warranty** Daakmax**$81.49**4.4★70 reviews](https://www.amazon.com/dp/B0GWLZL89B) [![Goodyear AUX12-AGM 12V 12 AH 20RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery](https://m.media-amazon.com/images/I/01RmK+J4pJL.gif)**Goodyear AUX12-AGM 12V 12 AH 20RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery** Goodyear**$97.98**4.4★257 reviews](https://www.amazon.com/dp/B0FHJ7YSZY) [![Goodyear AUX14-AGM BCI Group Size 400 12V 14 AH 22RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery](https://m.media-amazon.com/images/I/51JyEcDYJyL.jpg)**Goodyear AUX14-AGM BCI Group Size 400 12V 14 AH 22RC 200 CCA Platinum series Rechargeable AGM Maintenance Free Auxiliary Battery** Goodyear**$119.74**4.4★257 reviews](https://www.amazon.com/dp/B0FHJ6ZMKL) [![Autocessking AUX14 BCI Group 400 AGM Auxiliary Battery 12V 14Ah 200 CCA 20 RC Rechargeable](https://m.media-amazon.com/images/I/41PrAno5sbL.jpg)**Autocessking AUX14 BCI Group 400 AGM Auxiliary Battery 12V 14Ah 200 CCA 20 RC Rechargeable** Autocessking**$82.00**4.6★106 reviews](https://www.amazon.com/dp/B0FQWD4WDZ) [![UPLUS Auxiliary Battery AUX14-UP 12V 14Ah 200 CCA AGM Maintenance Free Rechargeable SLA Backup Batteries replace for AUX14 AUX12 BCI Group 400](https://m.media-amazon.com/images/I/417PK0N3VKL.jpg)**UPLUS Auxiliary Battery AUX14-UP 12V 14Ah 200 CCA AGM Maintenance Free Rechargeable SLA Backup Batteries replace for AUX14 AUX12 BCI Group 400** UPLUS NEW TECHNOLOGY BATTERY**$78.98**4.5★1,090 reviews](https://www.amazon.com/dp/B0G8F6VM28) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Battery Life**28% *“Reliable battery”* **Value For Money**19% *“a lot cheaper”* **Size-Overall**18% *“Fits as described”* **Quality-Overall**7% *“Reliable product”* **Advertised Vs Actual Product**5% *“As advertised”* **Durability**4% *“It feels durable and reliable, and the performance has been excellent so far”* **Efficiency**4% *“Worked for me”* **Charging**4% *“Good charge, fired up the motor... no problem”* **Assembly/Installation**4% *“No problem with installation”* **Strength**1% *“they are still going strong”* ### **What buyers complain about ** **Battery Life**28% *“Short battery life”* **Charging**18% *“Can not charge”* **Durability**14% *“Short lifespan”* **Size-Overall**9% *“the battery was too large to fit into the battery box on my ATV”* **Quality-Overall**6% *“Not good quality product”* **Compatibility-Overall**5% *“Does not fit ATV 86 Moto 4”* **Value For Money**4% *“Avoid at all cost”* **Advertised Vs Actual Product**2% *“Delivery date posted on listing is inaccurate”* **Functionality-Overall**2% *“it still doesnt work”* **Leak-Proof**1% *“To mack sure it ant leaking of anything”* #### **Top return reasons**- Size-Overall41% - Charging14% - Compatibility-Overall13% - Battery Life8% - Functionality-Overall6% - Advertised Vs Actual Product4% - Defective Material/Parts4% - Value For Money2% - Width1% - Assembly/Installation1%