Iphone 8 Plus Battery Case
FailThe top 5 products take 96% of clicks, so Iphone 8 Plus Battery Case is a Fail.
- Flapen Score
- 38 / 100Ranks 1,801 of 2,221 Cell Phones & Accessories niches · −8 vs the category median of 4638
- Market size
- $26K/yr10K searches / yr
- 90-day growth
- -30.7%search demand this quarter
- Competition
- 96%top-5 click share · 6 brands · 7 sellers
Flapen Score
Iphone 8 Plus Battery Case against its category
The dotted line is the Cell Phones & Accessories average. Past it, Iphone 8 Plus Battery Case is stronger. Inside it, weaker.
Market
The Iphone 8 Plus Battery Case market on Amazon at a glance
Shoppers on Amazon United States searched for Iphone 8 Plus Battery Case 10K times last year and spent an estimated $26K. The top 5 brands take 96% of clicks. Demand peaks in Jul–Aug–Dec. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 12.0% of those searches ended in a purchase.
Shoppers searched for this 10K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.0% of those searches ended in a purchase. Searches in the last 90 days moved -30.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $26K a year.
- Searches, last 12 months
- 10K
- Growth, 90 days vs prior 90
- -30.7%
- Conversion, latest week
- 12.0%
- Market size, estimated
- $26Ka year
- Peak month
- August2.0× the quietest month
- Top search term
- iphone 8 plus battery case3K searches a year
02 · Price
A sale here is worth $22.34.
Listings sell for $22.34 on average, from $10.00 to $36.04. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At $22.34 that is $0 to $2K a year per listing.
- Average price
- $22.34inside the $15 to $100 sweet spot
- Price range
- $10.00–$36.04
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 250–500
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 4.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
83% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 24.8% of listings are out of stock. The average listing ranks #422 within Battery Charger Cases. It carries 913 reviews at 4.02 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 100%
- Out of stock, average day
- 24.8%
- Average rank
- #422in Battery Charger Cases
- Average rating
- 4.02 starsAmazon United States average 4.42 stars
- Average reviews
- 913per listing
- Listings tracked
- 6
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 52 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 52 months
Products
Top Iphone 8 Plus Battery Case 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 6, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Trswyop Battery Case for iPhone 6s Plus/6 Plus/7 Plus/8 Plus 8500mAh Portable Charging Case External Battery Pack for iPhone 6s Plus/6 Plus/7 Plus/8 Plus Rechargeable Charger Case (5.5 inch) Black
- Price
- $19.78
- Rating
- 3.8/5
- Reviews
- 2,675
- Age
- 6y ago

Battery Case for iPhone 6 Plus/6s Plus/7 Plus/8 Plus 10000mAh Portable Battery Pack Rechargeable Smart Charger Case Compatible with iPhone 6 Plus/6s Plus/7 Plus/8 Plus (5.5 inch) Battery Case (Black)
- Price
- $27.46
- Rating
- 3.9/5
- Reviews
- 103
- Age
- 2y ago
![Battery Case for iPhone 8plus/7plus/6 Plus/6s Plus Upgraded [8500mAh] Protective Portable Charging Case Rechargeable Extended Battery Pack for Apple iPhone 8plus/7plus/6 Plus/6s Plus(5.5) - Black](https://m.media-amazon.com/images/I/41MN5NSLT9L.jpg)
Battery Case for iPhone 8plus/7plus/6 Plus/6s Plus Upgraded [8500mAh] Protective Portable Charging Case Rechargeable Extended Battery Pack for Apple iPhone 8plus/7plus/6 Plus/6s Plus(5.5) - Black
- Price
- $18.93
- Rating
- 3.8/5
- Reviews
- 2,299
- Age
- 7y ago

Loytal Battery Case for iPhone 8 Plus / 7 Plus / 6S Plus / 6 Plus 6000mAh Rechargeable Extended Battery Charging/Charger Case Adds 1.5X Extra Juice Supports Wired Headphones
- Price
- $21.85
- Rating
- 4.0/5
- Reviews
- 50
- Age
- 6y ago

SlaBao Battery Case for iPhone 8 Plus/7 plus/6s Plus/6 Plus 5000mAh Charging Case with Kickstand Portable Extend Battery Charger Cover for 5.5 iPhone 8 Plus -Black
- Price
- $36.04
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 12mo ago
Trending
estimated 90-day click momentum
Loytal Battery Case for iPhone 8 Plus / 7 Plus / 6S Plus / 6 Plus 6000mAh Rechargeable Extended Battery Charging/Charger Case Adds 1.5X Extra Juice Supports Wired Headphones
- Price
- $21.85
- Rating
- 4.0/5
- Reviews
- 50
- Age
- 6y ago

SlaBao Battery Case for iPhone 8 Plus/7 plus/6s Plus/6 Plus 5000mAh Charging Case with Kickstand Portable Extend Battery Charger Cover for 5.5 iPhone 8 Plus -Black
- Price
- $36.04
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 12mo ago
![DUEDUE for iPhone 8 Plus Case iPhone 7 Plus Case Magnetic[Compatible with Magsafe] Translucent Matte Back Protective Cover Anti-Scratch Shockproof Phone Case for iPhone 7 Plus/8 Plus Black](https://m.media-amazon.com/images/I/31H+rAkB6lL.jpg)
DUEDUE for iPhone 8 Plus Case iPhone 7 Plus Case Magnetic[Compatible with Magsafe] Translucent Matte Back Protective Cover Anti-Scratch Shockproof Phone Case for iPhone 7 Plus/8 Plus Black
- Price
- $10.00
- Rating
- 4.6/5
- Reviews
- 348
- Age
- 2y ago
![Battery Case for iPhone 8plus/7plus/6 Plus/6s Plus Upgraded [8500mAh] Protective Portable Charging Case Rechargeable Extended Battery Pack for Apple iPhone 8plus/7plus/6 Plus/6s Plus(5.5) - Black](https://m.media-amazon.com/images/I/41MN5NSLT9L.jpg)
Battery Case for iPhone 8plus/7plus/6 Plus/6s Plus Upgraded [8500mAh] Protective Portable Charging Case Rechargeable Extended Battery Pack for Apple iPhone 8plus/7plus/6 Plus/6s Plus(5.5) - Black
- Price
- $18.93
- Rating
- 3.8/5
- Reviews
- 2,299
- Age
- 7y ago

Battery Case for iPhone 6 Plus/6s Plus/7 Plus/8 Plus 10000mAh Portable Battery Pack Rechargeable Smart Charger Case Compatible with iPhone 6 Plus/6s Plus/7 Plus/8 Plus (5.5 inch) Battery Case (Black)
- Price
- $27.46
- Rating
- 3.9/5
- Reviews
- 103
- Age
- 2y ago
Newest
by launch date
SlaBao Battery Case for iPhone 8 Plus/7 plus/6s Plus/6 Plus 5000mAh Charging Case with Kickstand Portable Extend Battery Charger Cover for 5.5 iPhone 8 Plus -Black
- Price
- $36.04
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 12mo ago
![DUEDUE for iPhone 8 Plus Case iPhone 7 Plus Case Magnetic[Compatible with Magsafe] Translucent Matte Back Protective Cover Anti-Scratch Shockproof Phone Case for iPhone 7 Plus/8 Plus Black](https://m.media-amazon.com/images/I/31H+rAkB6lL.jpg)
DUEDUE for iPhone 8 Plus Case iPhone 7 Plus Case Magnetic[Compatible with Magsafe] Translucent Matte Back Protective Cover Anti-Scratch Shockproof Phone Case for iPhone 7 Plus/8 Plus Black
- Price
- $10.00
- Rating
- 4.6/5
- Reviews
- 348
- Age
- 2y ago

Battery Case for iPhone 6 Plus/6s Plus/7 Plus/8 Plus 10000mAh Portable Battery Pack Rechargeable Smart Charger Case Compatible with iPhone 6 Plus/6s Plus/7 Plus/8 Plus (5.5 inch) Battery Case (Black)
- Price
- $27.46
- Rating
- 3.9/5
- Reviews
- 103
- Age
- 2y ago

Loytal Battery Case for iPhone 8 Plus / 7 Plus / 6S Plus / 6 Plus 6000mAh Rechargeable Extended Battery Charging/Charger Case Adds 1.5X Extra Juice Supports Wired Headphones
- Price
- $21.85
- Rating
- 4.0/5
- Reviews
- 50
- Age
- 6y ago

Trswyop Battery Case for iPhone 6s Plus/6 Plus/7 Plus/8 Plus 8500mAh Portable Charging Case External Battery Pack for iPhone 6s Plus/6 Plus/7 Plus/8 Plus Rechargeable Charger Case (5.5 inch) Black
- Price
- $19.78
- Rating
- 3.8/5
- Reviews
- 2,675
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 96% of clicks. A locked shelf that new listings rarely crack.
Brands
6 flat
Sellers
7
Est. top-5 brand share
96%
Top 20: 100%
Est. top-5 click share
96%
Top 20: 100%
Open market
0%
- Trswyop29%
- YINGYKJ28%
- QTshine23%
- Loytal12%
- SlaBao4%
- DUEDUE4%
- Open — no brand owns it (0%)
Demand
Iphone 8 Plus Battery Case search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul, Aug, Dec · busiest ÷ quietest = 2.0×
Search terms
Top Iphone 8 Plus Battery Case search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- iphone 8 plus battery case3K/yr
- iphone 8 plus charging case2K/yr
- iphone 7 plus battery case2K/yr
- iphone 7 plus charging case1K/yr
- iphone 6s plus battery case942/yr
- iphone 8 plus charger case951/yr
Reviews and returns
What reviews say buyers love and hate about Iphone 8 Plus Battery Case
We read the reviews and the return reasons for every product selling here.
“lasted 5 years before the connector to the iPhone broke”
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.
14 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 Iphone 8 Plus Battery Case 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









