--- title: "iphone 15 pro max battery case — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/cell-phones-accessories/iphone-15-pro-max-battery-case" last_updated: "2026-07-10T00:02:43.674Z" locale: en meta: description: "a small market ($122K/yr) — iphone 15 pro max battery case doesn't clear our bar today." "og:description": "a small market ($122K/yr) — iphone 15 pro max battery case doesn't clear our bar today." "og:title": "iphone 15 pro max battery case — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen" --- Back to Flapen home # **iphone 15 pro max battery case** **Skip it****43/100 ** a small market ($122K/yr) — iphone 15 pro max battery case doesn't clear our bar today. **Market/yr** **$122K** **Growth (1y)** **+119.6%** **Products** **23** **Brands** **18** was 9 a year ago **Sellers** **23** **Price range** **$22.76–$63.46** **Returns** **9.8%** **Rating** **3.9★** **Skip it** Scored 43/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **6** ×0.30 Growth **67** ×0.30 Competition **56** ×0.20 Quality gap **87** ×0.10 Returns **16** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +119.6% year over year. 6K3KPrime Day '25Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Jul, Aug, Sep · busiest ÷ quietest = 1.7× ## **Competition** - QTshine24% - Feob19% - NEWDERY8% - Alpatronix7% - POAQCIF7% - YINGYKJ7% - Other (12 brands)28% The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them. 18 brands and 23 sellers compete here. **Brands** **18 **▲rising was 9 a year ago **Sellers** **23** **Top 5 brand share** **65%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![QTshine Battery Case for iPhone 15Pro Max Upgrade 8600mah Portable Slim Battery Charging Case 15W Fast Charging Rechargeable Protective Extended Charger Cover for iPhone 15 Pro Max (6.7 inch)-Black](https://m.media-amazon.com/images/I/41H43xVMcOL.jpg) [**QTshine Battery Case for iPhone 15Pro Max Upgrade 8600mah Portable Slim Battery Charging Case 15W Fast Charging Rechargeable Protective Extended Charger Cover for iPhone 15 Pro Max (6.7 inch)-Black**](https://www.amazon.com/dp/B0CQ1S1Y19) QTshine$27.474.0★43517%▲rising 2 ![Battery Case for iPhone 15 Pro Max Powerful 8600mah Ultra-Slim Protective Charging Case 15W Fast Charging Portable Rechargeable Expandable Battery Charger Cover for iPhone 15 Pro Max(6.7inch)-Black](https://m.media-amazon.com/images/I/410tiIvc02L.jpg) [**Battery Case for iPhone 15 Pro Max Powerful 8600mah Ultra-Slim Protective Charging Case 15W Fast Charging Portable Rechargeable Expandable Battery Charger Cover for iPhone 15 Pro Max(6.7inch)-Black**](https://www.amazon.com/dp/B0CWD4NGWZ) Feob$24.523.8★22114%▼falling 3 ![NEWDERY 10000mAh Battery Case for iPhone 15 Pro Max/Plus USB C Qi Wireless Charging Portable Protective Charger Case Battery Pack](https://m.media-amazon.com/images/I/41J9JDsImvL.jpg) [**NEWDERY 10000mAh Battery Case for iPhone 15 Pro Max/Plus USB C Qi Wireless Charging Portable Protective Charger Case Battery Pack**](https://www.amazon.com/dp/B0CDGGS2W6) NEWDERY$44.153.9★4678%▲rising 4 ![Battery Case for iPhone 15 Pro Max (6.7 inch) 13800mAh [High Capacity] 2026 Upgraded Portable Battery Charging Charger Case Rechargeable Battery Back with Tempered Glass Screen Protector Black](https://m.media-amazon.com/images/I/4110xzaa9xL.jpg) [**Battery Case for iPhone 15 Pro Max (6.7 inch) 13800mAh \[High Capacity\] 2026 Upgraded Portable Battery Charging Charger Case Rechargeable Battery Back with Tempered Glass Screen Protector Black**](https://www.amazon.com/dp/B0FQBVDQ73) POAQCIF$27.443.9★867%▲rising 5 ![Battery Case for iPhone 15 Pro Max Upgraded 12000mAh Battery Pack Rechargeable Charger Case with Wireless Charging Compatible for iPhone 15 Pro Max (6.7 inch) External Battery Charging Cover (Black)](https://m.media-amazon.com/images/I/41IqlwhiVEL.jpg) [**Battery Case for iPhone 15 Pro Max Upgraded 12000mAh Battery Pack Rechargeable Charger Case with Wireless Charging Compatible for iPhone 15 Pro Max (6.7 inch) External Battery Charging Cover (Black)**](https://www.amazon.com/dp/B0CCRP7ZZM) YINGYKJ$38.533.7★2617%▼falling 6 ![QTshine Battery Case for iPhone 15 Pro Max [2025 Upgraded] 8600mAh Battery Charging Case Anti-Fall Protection Rechargeable Extended Charger Cover for iPhone 15 Pro Max (6.7inch) Black](https://m.media-amazon.com/images/I/41l7ua30NtL.jpg) [**QTshine Battery Case for iPhone 15 Pro Max \[2025 Upgraded\] 8600mAh Battery Charging Case Anti-Fall Protection Rechargeable Extended Charger Cover for iPhone 15 Pro Max (6.7inch) Black**](https://www.amazon.com/dp/B0F9KN3GHK) QTshine$25.934.0★217%—flat 7 ![Mophie Juice Pack iPhone 15 Pro Max Battery Case - Legendary Power & Protection - Up to 50% Extra Battery 6ft Drop Safety Eco-Friendly Design Black](https://m.media-amazon.com/images/I/31qV4neIdKL.jpg) [**Mophie Juice Pack iPhone 15 Pro Max Battery Case - Legendary Power & Protection - Up to 50% Extra Battery 6ft Drop Safety Eco-Friendly Design Black**](https://www.amazon.com/dp/B0CTWMNMKP) mophie$63.463.8★1,1756%▼falling 8 ![Alpatronix Battery Case for iPhone 15 Pro Max & 15 Plus Portable Strong Slim Protective Extended Charger Case 15W Fast Charging 7000mAh Wireless Charging Case Apple Pay CarPlay (BX15PM) Black](https://m.media-amazon.com/images/I/41o6fqwmnrL.jpg) [**Alpatronix Battery Case for iPhone 15 Pro Max & 15 Plus Portable Strong Slim Protective Extended Charger Case 15W Fast Charging 7000mAh Wireless Charging Case Apple Pay CarPlay (BX15PM) Black**](https://www.amazon.com/dp/B0CHN9MFGR) Alpatronix$38.663.5★2126%▲rising 9 ![Battery Case for iPhone 15 Pro Max Full Encircle 12000mAh Capacity Rechargeable Portable Charger Case Extended Battery Pack for iPhone 15 Pro Max(6.7 inch) Wireless Charging Case with Carplay-Black](https://m.media-amazon.com/images/I/41uqqeOYYmL.jpg) [**Battery Case for iPhone 15 Pro Max Full Encircle 12000mAh Capacity Rechargeable Portable Charger Case Extended Battery Pack for iPhone 15 Pro Max(6.7 inch) Wireless Charging Case with Carplay-Black**](https://www.amazon.com/dp/B0D9Q2P385) KCKEBLM$35.243.6★704%▲rising 10 ![ZIKIHAA Battery Case for iPhone 15 Pro Max (6.7 inch) 2026 Upgraded High Capacity 13800mAh Battery Pack Rechargeable Charger External Charging Case with Tempered Glass Screen Protector Black](https://m.media-amazon.com/images/I/41r1QKUjw6L.jpg) [**ZIKIHAA Battery Case for iPhone 15 Pro Max (6.7 inch) 2026 Upgraded High Capacity 13800mAh Battery Pack Rechargeable Charger External Charging Case with Tempered Glass Screen Protector Black**](https://www.amazon.com/dp/B0G7RV27B5) ZIKIHAA$24.463.6★294%▲rising 11 ![Battery Case for iPhone 15 Pro Max 12000mAh High Capacity Smart Portable Charger Case Rechargeable Battery Pack Charging Case with Wireless Charging Compatible with iPhone 15 Pro Max (6.7 inch)-Black](https://m.media-amazon.com/images/I/41lizBII0rL.jpg) [**Battery Case for iPhone 15 Pro Max 12000mAh High Capacity Smart Portable Charger Case Rechargeable Battery Pack Charging Case with Wireless Charging Compatible with iPhone 15 Pro Max (6.7 inch)-Black**](https://www.amazon.com/dp/B0CL9MPQQG) SNRONEW$35.924.0★2843%▲rising 12 ![Battery Case for iPhone 15 Pro Max 12000mAh Slim Portable Rechargeable Protective Battery Pack Cover Wireless Charging Case Compatible with iPhone 15 Pro Max (6.7 inch) Extended Charger Cover(Black)](https://m.media-amazon.com/images/I/41SdaPY1QjL.jpg) [**Battery Case for iPhone 15 Pro Max 12000mAh Slim Portable Rechargeable Protective Battery Pack Cover Wireless Charging Case Compatible with iPhone 15 Pro Max (6.7 inch) Extended Charger Cover(Black)**](https://www.amazon.com/dp/B0BWDP3DK1) JBUBN$36.834.2★1122%▲rising 13 ![Battery Case for iPhone 15 Pro Max Powerful 8600mah Ultra-Slim Protective Charging Case 15W Fast Charging Portable Rechargeable Expandable Battery Charger Cover for iPhone 15 Pro Max(6.7inch)-Pink](https://m.media-amazon.com/images/I/41YnIPhmATL.jpg) [**Battery Case for iPhone 15 Pro Max Powerful 8600mah Ultra-Slim Protective Charging Case 15W Fast Charging Portable Rechargeable Expandable Battery Charger Cover for iPhone 15 Pro Max(6.7inch)-Pink**](https://www.amazon.com/dp/B0GGQN1ZZP) Feob$24.743.8★2212%▲rising 14 ![ZEROLEMON Battery Case for Galaxy S24 Ultra 10000mAh 18W Fast Phone Charging Power to Galaxy S24 Ultra ZeroShock Extended Charger Case Cover for The S24 Ultra Black](https://m.media-amazon.com/images/I/41b0WA1Cd3L.jpg) [**ZEROLEMON Battery Case for Galaxy S24 Ultra 10000mAh 18W Fast Phone Charging Power to Galaxy S24 Ultra ZeroShock Extended Charger Case Cover for The S24 Ultra Black**](https://www.amazon.com/dp/B0C7KTS8CS) ZEROLEMON$55.154.0★2402%▼falling 15 ![Feob Battery Case for iPhone 15 Pro Max [2026 Upgraded] 8600mAh Slim Portable Smart Charging Case Rechargeable Protective Extended Charging Cover for iPhone 15 Pro Max Battery Pack (6.7 Inch)-Black](https://m.media-amazon.com/images/I/412mAaLhr7L.jpg) [**Feob Battery Case for iPhone 15 Pro Max \[2026 Upgraded\] 8600mAh Slim Portable Smart Charging Case Rechargeable Protective Extended Charging Cover for iPhone 15 Pro Max Battery Pack (6.7 Inch)-Black**](https://www.amazon.com/dp/B0FH6RSTCD) Feob$23.303.8★1,1302%▼falling **~~Showing 15 of 23 — show all ~~** ## **Product shelf** All 23 tracked products in this niche. Top sellersNewestTrending [![QTshine Battery Case for iPhone 15Pro Max Upgrade 8600mah Portable Slim Battery Charging Case 15W Fast Charging Rechargeable Protective Extended Charger Cover for iPhone 15 Pro Max (6.7 inch)-Black](https://m.media-amazon.com/images/I/41H43xVMcOL.jpg)**QTshine Battery Case for iPhone 15Pro Max Upgrade 8600mah Portable Slim Battery Charging Case 15W Fast Charging Rechargeable Protective Extended Charger Cover for iPhone 15 Pro Max (6.7 inch)-Black** QTshine**$27.47**4.0★435 reviews](https://www.amazon.com/dp/B0CQ1S1Y19) [![Battery Case for iPhone 15 Pro Max Powerful 8600mah Ultra-Slim Protective Charging Case 15W Fast Charging Portable Rechargeable Expandable Battery Charger Cover for iPhone 15 Pro Max(6.7inch)-Black](https://m.media-amazon.com/images/I/410tiIvc02L.jpg)**Battery Case for iPhone 15 Pro Max Powerful 8600mah Ultra-Slim Protective Charging Case 15W Fast Charging Portable Rechargeable Expandable Battery Charger Cover for iPhone 15 Pro Max(6.7inch)-Black** Feob**$24.52**3.8★221 reviews](https://www.amazon.com/dp/B0CWD4NGWZ) [![NEWDERY 10000mAh Battery Case for iPhone 15 Pro Max/Plus USB C Qi Wireless Charging Portable Protective Charger Case Battery Pack](https://m.media-amazon.com/images/I/41J9JDsImvL.jpg)**NEWDERY 10000mAh Battery Case for iPhone 15 Pro Max/Plus USB C Qi Wireless Charging Portable Protective Charger Case Battery Pack** NEWDERY**$44.15**3.9★467 reviews](https://www.amazon.com/dp/B0CDGGS2W6) [![Battery Case for iPhone 15 Pro Max (6.7 inch) 13800mAh [High Capacity] 2026 Upgraded Portable Battery Charging Charger Case Rechargeable Battery Back with Tempered Glass Screen Protector Black](https://m.media-amazon.com/images/I/4110xzaa9xL.jpg)**Battery Case for iPhone 15 Pro Max (6.7 inch) 13800mAh \[High Capacity\] 2026 Upgraded Portable Battery Charging Charger Case Rechargeable Battery Back with Tempered Glass Screen Protector Black** POAQCIF**$27.44**3.9★86 reviews](https://www.amazon.com/dp/B0FQBVDQ73) [![Battery Case for iPhone 15 Pro Max Upgraded 12000mAh Battery Pack Rechargeable Charger Case with Wireless Charging Compatible for iPhone 15 Pro Max (6.7 inch) External Battery Charging Cover (Black)](https://m.media-amazon.com/images/I/41IqlwhiVEL.jpg)**Battery Case for iPhone 15 Pro Max Upgraded 12000mAh Battery Pack Rechargeable Charger Case with Wireless Charging Compatible for iPhone 15 Pro Max (6.7 inch) External Battery Charging Cover (Black)** YINGYKJ**$38.53**3.7★261 reviews](https://www.amazon.com/dp/B0CCRP7ZZM) [![QTshine Battery Case for iPhone 15 Pro Max [2025 Upgraded] 8600mAh Battery Charging Case Anti-Fall Protection Rechargeable Extended Charger Cover for iPhone 15 Pro Max (6.7inch) Black](https://m.media-amazon.com/images/I/41l7ua30NtL.jpg)**QTshine Battery Case for iPhone 15 Pro Max \[2025 Upgraded\] 8600mAh Battery Charging Case Anti-Fall Protection Rechargeable Extended Charger Cover for iPhone 15 Pro Max (6.7inch) Black** QTshine**$25.93**4.0★21 reviews](https://www.amazon.com/dp/B0F9KN3GHK) [![Mophie Juice Pack iPhone 15 Pro Max Battery Case - Legendary Power & Protection - Up to 50% Extra Battery 6ft Drop Safety Eco-Friendly Design Black](https://m.media-amazon.com/images/I/31qV4neIdKL.jpg)**Mophie Juice Pack iPhone 15 Pro Max Battery Case - Legendary Power & Protection - Up to 50% Extra Battery 6ft Drop Safety Eco-Friendly Design Black** mophie**$63.46**3.8★1,175 reviews](https://www.amazon.com/dp/B0CTWMNMKP) [![Alpatronix Battery Case for iPhone 15 Pro Max & 15 Plus Portable Strong Slim Protective Extended Charger Case 15W Fast Charging 7000mAh Wireless Charging Case Apple Pay CarPlay (BX15PM) Black](https://m.media-amazon.com/images/I/41o6fqwmnrL.jpg)**Alpatronix Battery Case for iPhone 15 Pro Max & 15 Plus Portable Strong Slim Protective Extended Charger Case 15W Fast Charging 7000mAh Wireless Charging Case Apple Pay CarPlay (BX15PM) Black** Alpatronix**$38.66**3.5★212 reviews](https://www.amazon.com/dp/B0CHN9MFGR) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Battery Life**20% *“First off, the battery life is seriously impressive”* **Charging**15% *“Good charging ability”* **Quality-Overall**10% *“Excellent product”* **Ease Of Use**6% *“Easy to use”* **Advertised Vs Actual Product**4% *“Works as advertised”* **Size-Overall**4% *“Perfect fit”* **Durability**4% *“Very strong and durable”* **Efficiency**3% *“It works great”* **Drop/Impact Protection**3% *“The built-in protection is another big plus”* **Design-Overall**3% *“The black design looks clean and simple, and it fits the phone nicely without feeling too awkward”* ### **What buyers complain about ** **Charging**35% *“Dont charge”* **Durability**19% *“Does not last”* **Quality-Overall**5% *“Cheap junk”* **Weight Heavy**5% *“Too bulky and heavy”* **Functionality-Overall**4% *“wont change my phone”* **Size-Overall**3% *“Mine didnt fit well”* **Product Condition**3% *“They sent me a used case”* **Connectivity-Overall**3% *“Inner connection on case to iPhone does not hold up if iPhone is removed from it”* **Compatibility-Overall**3% *“Didnt fit well on my iPhone 15 plus for daily use”* **Battery Life**2% *“like other people my phones battery dies faster than ever now”* #### **Top return reasons**- Charging47% - Size-Overall16% - Functionality-Overall7% - Compatibility-Overall5% - Battery Life4% - Weight Heavy4% - Defective Material/Parts3% - Advertised Vs Actual Product2% - Product Condition2% - Value For Money2%