---
title: "Iphone 11 Pro Battery Case — $15K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-battery-case"
last_updated: "2026-08-10T01:59:10.151Z"
locale: en
meta:
description: "Niche score 34/100 · $15K/yr market · 10K searches/yr · $35.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $15K/yr market · 10K searches/yr · $35.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Iphone 11 Pro Battery Case — $15K/yr Amazon US Niche (2026) - Flapen"
---
# **iphone 11 pro battery case**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 4Growth 18Conversion 54Competition 12Returns 11Price range 95Avg price 95Brand share 0Review moat 78Quality gap 96
**Quality gap**
**Incredible****3.9★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Incredible****$35.61**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$20.62–$83.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****442.88**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****4.4%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-14.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****86%**
top-5 click share — a locked-up shelf
**Returns**
**Bad****8.8%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$15K**
$15K/yr · 10K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, iphone 11 pro battery case is a $15K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 34/100.
Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **iphone 11 pro battery case market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$9K–$18K**
- units × avg price
- **Conversion rate**
- **4.4%**
- **Avg BSR**
- **#219**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **63%**
- **Out of stock**
- **17.6%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **181 days**
## **Competition & brand share**
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**14**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**86%**
Top 20: 100%
**Open market**
**0%**
- JBUBN48% - YINGYKJ31% - Apple10% - Giabuao8% - mophie3%
## **Demand & seasonality**
Weekly Amazon search volume, last 100 weeks — -14.8% search growth over the last 90 days.
500300Holiday '24Spike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jul, Aug · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-battery-case/trend)
## **Top iphone 11 pro battery case search terms**
- **iphone 11 pro battery case**6K/yr-11.7%5.3% conv. - **iphone 11 pro charging case**3K/yr-32.2%4.3% conv. - **iphone 11 pro charger case**886/yr+71.4%4.7% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/iphone-11-pro-battery-case/search-terms)
## **Top iphone 11 pro battery case products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$2K30%$5K45%$7K60%$9K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Battery Case for iPhone 11 Pro Upgraded 10000mAh High Capacity Rechargeable Portable Extended Charger Case Wireless Charging Compatible with iPhone 11 Pro (5.8 inch) Charging Cover & Carplay (Black)**JBUBN**$32.29**3.8★731 rev](https://www.amazon.com/dp/B0CCSB5CGS) [2**YINGYKJ Battery Case for iPhone 11 Pro Upgraded 10000mAh Battery Pack Rechargeable Charger Case with Carplay Wireless Charging Compatible with iPhone 11 Pro (5.8 inch) External Charging Clip(Black)**YINGYKJ**$32.09**4.1★22 rev](https://www.amazon.com/dp/B0BQJ2KQGG) [3**Apple iPhone 11 Pro Smart Battery Silicone Case with Wireless Charging - Black**Apple**$83.44**4.3★1,066 rev](https://www.amazon.com/dp/B081SHMJ77) [4**Battery Case for iPhone 11 Pro Enhanced 7000mAh Ultra Thin Portable Protective Power Smart Charging Case Compatible with iPhone 11 Pro (5.8 inch) Rechargeable Extended Battery Charger Case (Black)**YINGYKJ**$27.11**4.0★186 rev](https://www.amazon.com/dp/B0CJ931RG7) [5**Battery Case for iPhone 11 Pro Enhanced 10000mAh Portable Protective Wireless Charging Case Support Carplay Compatible with iPhone 11 Pro (5.8 inch) Rechargeable Extended Battery Charger Case (Black)**YINGYKJ**$30.61**3.6★227 rev](https://www.amazon.com/dp/B0CJBSWVG9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Giabuao Battery Charger Case for iPhone 11 Pro(5.8) 5000mAh Slim Rechargeable Extended Charging Case Power Bank with Stand Portable Protective Battery Backup for iPhone 11 Pro Black**Giabuao**$30.14**14 rev1y ago](https://www.amazon.com/dp/B0FDB98TS2) [**Battery Case for iPhone 11 Pro Enhanced 7000mAh Ultra Thin Portable Protective Power Smart Charging Case Compatible with iPhone 11 Pro (5.8 inch) Rechargeable Extended Battery Charger Case (Black)**YINGYKJ**$27.11**186 rev2y ago](https://www.amazon.com/dp/B0CJ931RG7) [**Battery Case for iPhone 11 Pro Enhanced 10000mAh Portable Protective Wireless Charging Case Support Carplay Compatible with iPhone 11 Pro (5.8 inch) Rechargeable Extended Battery Charger Case (Black)**YINGYKJ**$30.61**227 rev2y ago](https://www.amazon.com/dp/B0CJBSWVG9) [**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**186 rev2y ago](https://www.amazon.com/dp/B0CJBSZJK2) [**Battery Case for iPhone 11 Pro Upgraded 10000mAh High Capacity Rechargeable Portable Extended Charger Case Wireless Charging Compatible with iPhone 11 Pro (5.8 inch) Charging Cover & Carplay (Black)**JBUBN**$32.29**731 rev2y ago](https://www.amazon.com/dp/B0CCSB5CGS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Apple iPhone 11 Pro Smart Battery Silicone Case with Wireless Charging - Black**Apple**$83.44**4.3★**▲ 322%**](https://www.amazon.com/dp/B081SHMJ77) [**Giabuao Battery Charger Case for iPhone 11 Pro(5.8) 5000mAh Slim Rechargeable Extended Charging Case Power Bank with Stand Portable Protective Battery Backup for iPhone 11 Pro Black**Giabuao**$30.14**3.4★**▲ 130%**](https://www.amazon.com/dp/B0FDB98TS2) [**Battery Case for iPhone 11 Pro Upgraded 10000mAh High Capacity Rechargeable Portable Extended Charger Case Wireless Charging Compatible with iPhone 11 Pro (5.8 inch) Charging Cover & Carplay (Black)**JBUBN**$32.29**3.8★**▲ 85%**](https://www.amazon.com/dp/B0CCSB5CGS) [**Battery Case for iPhone 11 Pro Enhanced 10000mAh Portable Protective Wireless Charging Case Support Carplay Compatible with iPhone 11 Pro (5.8 inch) Rechargeable Extended Battery Charger Case (Black)**YINGYKJ**$30.61**3.6★**▲ 37%**](https://www.amazon.com/dp/B0CJBSWVG9) [**YINGYKJ Battery Case for iPhone 11 Pro Upgraded 10000mAh Battery Pack Rechargeable Charger Case with Carplay Wireless Charging Compatible with iPhone 11 Pro (5.8 inch) External Charging Clip(Black)**YINGYKJ**$32.09**4.1★**▼ 37%**](https://www.amazon.com/dp/B0BQJ2KQGG)
**~~View all trending →~~**
## **What buyers say about iphone 11 pro battery case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Charging**20%
*“charges great and it's durable and fits well on the phone”*
**Durability**20%
*“Definitely seems to be durable”*
**Advertised Vs Actual Product**20%
*“Im so glad this worked as expected”*
**Drop/Impact Protection**10%
*“they still protect the phone”*
**Size-Overall**10%
*“It fits the iPhone 11 Pro just fine”*
**Design-Overall**10%
*“looks very sleek”*
**Battery Life**10%
*“It extends the battery life of my now very old iPhone 11Pro Max”*
### **What buyers complain about **
**Charging**48%
*“would not take a charge”*
**Quality-Overall**23%
*“poorly made and very cheap”*
**Size-Overall**9%
*“it doesnt even fit my iPhone”*
**Design-Overall**9%
*“Weak/poor design”*
**Compatibility-Overall**5%
*“It doesnt work with any of my wireless charging stands”*
**Functionality-Overall**3%
*“None functional”*
**Product Condition**3%
*“These are new OLD stock”*
### **Top return reasons **
**Charging**56%
**Size-Overall**15%
**Compatibility-Overall**6%
**Functionality-Overall**5%
**Defective Material/Parts**3%
**Battery Life**3%
**Durability**3%
**Value For Money**2%
**Product Condition**2%
**Weight Heavy**1%
## **Common questions**
- **Is iphone 11 pro battery case profitable to sell on Amazon United States?**
- The niche generates $15K/yr across 8 tracked products. 90-day search growth is -14.8%. Flapen's verdict: Skip it (34/100).
- **How competitive is the iphone 11 pro battery case niche?**
- 5 brands and 14 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in iphone 11 pro battery case?**
- Top complaints mined from reviews: Charging, Quality-Overall, Size-Overall. The return rate is 8.8% — above our launch gate.
- **When does demand for iphone 11 pro battery case peak?**
- Demand peaks in Jul–Aug; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the iphone 11 pro battery case niche?**
- Listings span $20.62–$83.44; the average listing price is $35.61 (sweet spot $15–$100). The average incumbent carries 443 reviews — the moat a new listing must climb.
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