--- title: "iphone 11 pro max charging case — Niche Verdict: Skip it (34/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/cell-phones-accessories/iphone-11-pro-max-charging-case" last_updated: "2026-07-10T02:42:31.443Z" locale: en meta: description: "a small market ($15K/yr) — iphone 11 pro max charging case doesn't clear our bar today." "og:description": "a small market ($15K/yr) — iphone 11 pro max charging case doesn't clear our bar today." "og:title": "iphone 11 pro max charging case — Niche Verdict: Skip it (34/100) | Amazon United States - Flapen" --- Back to Flapen home # **iphone 11 pro max charging case** **Skip it****34/100 ** a small market ($15K/yr) — iphone 11 pro max charging case doesn't clear our bar today. **Market/yr** **$15K** **Growth (1y)** **+71.2%** **Products** **10** **Brands** **8** was 6 a year ago **Sellers** **22** **Price range** **$9.24–$100.05** **Returns** **3.4%** **Rating** **4.1★** **Skip it** Scored 34/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **1** ×0.30 Growth **56** ×0.30 Competition **7** ×0.20 Quality gap **78** ×0.10 Returns **73** ×0.10 ## **Demand** Weekly Amazon search volume, last 103 weeks — +71.2% year over year. 722361Holiday '24Spike '25Prime Day '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Jul, Aug · busiest ÷ quietest = 2.0× ## **Competition** - YINGYKJ40% - Tayte20% - mophie16% - Apple12% - Sitong5% - SUPFINE3% - Other (2 brands)4% The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack. 8 brands and 22 sellers compete here. **Brands** **8 **▲rising was 6 a year ago **Sellers** **22** **Top 5 brand share** **93%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Battery Case for iPhone 11 Pro Max 10000mAh Ultra Thin Portable Protective Smart Charging Case Compatible with iPhone 11 Pro Max (6.5 inch) Rechargeable Extended Battery Charger (Black)](https://m.media-amazon.com/images/I/31kLYBlx1bL.jpg) [**Battery Case for iPhone 11 Pro Max 10000mAh Ultra Thin Portable Protective Smart Charging Case Compatible with iPhone 11 Pro Max (6.5 inch) Rechargeable Extended Battery Charger (Black)**](https://www.amazon.com/dp/B0CJBSZJK2) YINGYKJ$28.604.0★18640%▼falling 2 ![Upgraded 10000mAh High Capacity Rechargeable Portable Protective Extended Charger for iPhone 11 Pro Max (6.5 inch) - Compatible with iPhone 11 Pro Max - Charging Case & Carplay (Black)](https://m.media-amazon.com/images/I/41XJ49JKxcL.jpg) [**Upgraded 10000mAh High Capacity Rechargeable Portable Protective Extended Charger for iPhone 11 Pro Max (6.5 inch) - Compatible with iPhone 11 Pro Max - Charging Case & Carplay (Black)**](https://www.amazon.com/dp/B0CCSBG5NS) Tayte$27.894.0★7120%▼falling 3 ![Apple iPhone 11 Pro Max Smart Battery Silicone Case with Wireless Charging - Black](https://m.media-amazon.com/images/I/31eagNZNY2L.jpg) [**Apple iPhone 11 Pro Max Smart Battery Silicone Case with Wireless Charging - Black**](https://www.amazon.com/dp/B081SHVB2F) Apple$100.054.5★1,62412%▲rising 4 ![Mophie 401004517 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made For Apple Iphone 11 Pro Max - Blush Pink](https://m.media-amazon.com/images/I/31m04H36Q3L.jpg) [**Mophie 401004517 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made For Apple Iphone 11 Pro Max - Blush Pink**](https://www.amazon.com/dp/B07Z9VDQKJ) mophie$19.553.8★1,6089%▲rising 5 ![Sitong Battery Case for iPhone 11 Pro Max 6000mAh Rechargeable Extended Battery Charging Charger Case Add 110% Extra Juice Support Wired Headphones Black](https://m.media-amazon.com/images/I/41sEE6mZAxL.jpg) [**Sitong Battery Case for iPhone 11 Pro Max 6000mAh Rechargeable Extended Battery Charging Charger Case Add 110% Extra Juice Support Wired Headphones Black**](https://www.amazon.com/dp/B09MKDDN46) Sitong$34.603.7★285%▲rising 6 ![Mophie 401004408 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Product(Red)](https://m.media-amazon.com/images/I/41PtEMEK1ML.jpg) [**Mophie 401004408 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Product(Red)**](https://www.amazon.com/dp/B07Z9V3JWN) mophie$34.773.8★1,6085%▲rising 7 ![mophie 401004407 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Black](https://m.media-amazon.com/images/I/41UclFgozuL.jpg) [**mophie 401004407 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Black**](https://www.amazon.com/dp/B07Z9V3JWT) mophie$18.013.8★1,6083%▼falling 8 ![SUPFINE Magnetic for iPhone 11 Pro Max Case (Compatible with MagSafe) (Military Grade Drop Protection) Translucent Matte Shockproof Phone Cover Black](https://m.media-amazon.com/images/I/41jbHov1dsL.jpg) [**SUPFINE Magnetic for iPhone 11 Pro Max Case (Compatible with MagSafe) (Military Grade Drop Protection) Translucent Matte Shockproof Phone Cover Black**](https://www.amazon.com/dp/B0D9LF8G8H) SUPFINE$9.424.7★3,0613%▼falling 9 ![jaroco Magnetic for iPhone 11 Pro Max Case [Compatible with MagSafe][Military Grade Drop Protection][Heavy Duty Protection][Non-Slip][Shockproof] 2-Layer Durable Bumper Phone Case 6.5-Black](https://m.media-amazon.com/images/I/41NgrPhaSCL.jpg) [**jaroco Magnetic for iPhone 11 Pro Max Case \[Compatible with MagSafe\]\[Military Grade Drop Protection\]\[Heavy Duty Protection\]\[Non-Slip\]\[Shockproof\] 2-Layer Durable Bumper Phone Case 6.5-Black**](https://www.amazon.com/dp/B0F48D41JG) jaroco$9.244.6★11,7962%▼falling 10 ![Encased Belt Clip Compatible with Apple Smart Battery Case - iPhone 11 Pro Max (Holster Only - Case not Included)](https://m.media-amazon.com/images/I/416GijsedbL.jpg) [**Encased Belt Clip Compatible with Apple Smart Battery Case - iPhone 11 Pro Max (Holster Only - Case not Included)**](https://www.amazon.com/dp/B08Y2LP9DW) ENCASED$16.424.1★322%▲rising ## **Product shelf** All 10 tracked products in this niche. Top sellersNewestTrending [![Battery Case for iPhone 11 Pro Max 10000mAh Ultra Thin Portable Protective Smart Charging Case Compatible with iPhone 11 Pro Max (6.5 inch) Rechargeable Extended Battery Charger (Black)](https://m.media-amazon.com/images/I/31kLYBlx1bL.jpg)**Battery Case for iPhone 11 Pro Max 10000mAh Ultra Thin Portable Protective Smart Charging Case Compatible with iPhone 11 Pro Max (6.5 inch) Rechargeable Extended Battery Charger (Black)** YINGYKJ**$28.60**4.0★186 reviews](https://www.amazon.com/dp/B0CJBSZJK2) [![Upgraded 10000mAh High Capacity Rechargeable Portable Protective Extended Charger for iPhone 11 Pro Max (6.5 inch) - Compatible with iPhone 11 Pro Max - Charging Case & Carplay (Black)](https://m.media-amazon.com/images/I/41XJ49JKxcL.jpg)**Upgraded 10000mAh High Capacity Rechargeable Portable Protective Extended Charger for iPhone 11 Pro Max (6.5 inch) - Compatible with iPhone 11 Pro Max - Charging Case & Carplay (Black)** Tayte**$27.89**4.0★71 reviews](https://www.amazon.com/dp/B0CCSBG5NS) [![Apple iPhone 11 Pro Max Smart Battery Silicone Case with Wireless Charging - Black](https://m.media-amazon.com/images/I/31eagNZNY2L.jpg)**Apple iPhone 11 Pro Max Smart Battery Silicone Case with Wireless Charging - Black** Apple**$100.05**4.5★1,624 reviews](https://www.amazon.com/dp/B081SHVB2F) [![Mophie 401004517 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made For Apple Iphone 11 Pro Max - Blush Pink](https://m.media-amazon.com/images/I/31m04H36Q3L.jpg)**Mophie 401004517 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made For Apple Iphone 11 Pro Max - Blush Pink** mophie**$19.55**3.8★1,608 reviews](https://www.amazon.com/dp/B07Z9VDQKJ) [![Sitong Battery Case for iPhone 11 Pro Max 6000mAh Rechargeable Extended Battery Charging Charger Case Add 110% Extra Juice Support Wired Headphones Black](https://m.media-amazon.com/images/I/41sEE6mZAxL.jpg)**Sitong Battery Case for iPhone 11 Pro Max 6000mAh Rechargeable Extended Battery Charging Charger Case Add 110% Extra Juice Support Wired Headphones Black** Sitong**$34.60**3.7★28 reviews](https://www.amazon.com/dp/B09MKDDN46) [![Mophie 401004408 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Product(Red)](https://m.media-amazon.com/images/I/41PtEMEK1ML.jpg)**Mophie 401004408 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Product(Red)** mophie**$34.77**3.8★1,608 reviews](https://www.amazon.com/dp/B07Z9V3JWN) [![mophie 401004407 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Black](https://m.media-amazon.com/images/I/41UclFgozuL.jpg)**mophie 401004407 Juice Pack Access - Ultra-Slim Wireless Charging Battery Case - Made for Apple iPhone 11 Pro Max - Black** mophie**$18.01**3.8★1,608 reviews](https://www.amazon.com/dp/B07Z9V3JWT) [![SUPFINE Magnetic for iPhone 11 Pro Max Case (Compatible with MagSafe) (Military Grade Drop Protection) Translucent Matte Shockproof Phone Cover Black](https://m.media-amazon.com/images/I/41jbHov1dsL.jpg)**SUPFINE Magnetic for iPhone 11 Pro Max Case (Compatible with MagSafe) (Military Grade Drop Protection) Translucent Matte Shockproof Phone Cover Black** SUPFINE**$9.42**4.7★3,061 reviews](https://www.amazon.com/dp/B0D9LF8G8H) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Value For Money**18% *“good value for your money”* **Size-Overall**12% *“Fits perfectly”* **Magnetic Strength/Adsorption**11% *“This works great to pull the magnetic charger securely to your phone, not bulky, and good value for your money”* **Drop/Impact Protection**11% *“Elegant case that offers good protection”* **Quality-Overall**7% *“Still, its a good case and does its job”* **Charging**6% *“Charges and holds well”* **Advertised Vs Actual Product**6% *“Product as advertised”* **Assembly/Installation**4% *“Easy to install”* **Design-Overall**3% *“I love the clean, minimalist design”* **Weight Light**3% *“Its slim and lightweight so my pockets thank me”* ### **What buyers complain about ** **Charging**40% *“Wont charge my phone anymore”* **Durability**11% *“Breaks easy”* **Functionality-Overall**9% *“not work”* **Strength**6% *“Breaks easy”* **Instructions/User Manual/Troubleshooting**6% *“Troubleshooting steps didnt help”* **Heating**6% *“Does not work properly freezes, overheats, and Apple tap does not Work”* **Magnetic Strength/Adsorption**6% *“i thought the magnet i would not work”* **Design-Overall**4% *“This is a terrible design”* **Weight Heavy**3% *“The battery pack is a bit heavier”* #### **Top return reasons**- Size-Overall46% - Charging18% - Compatibility-Overall17% - Advertised Vs Actual Product2% - Value For Money2% - Magnetic Strength/Adsorption2% - Functionality-Overall2% - Defective Material/Parts2% - Color1% - Durability1%