Inogen One G4 Battery
FailThe top 5 brands take 100% of clicks, so Inogen One G4 Battery is a Fail.
- Flapen Score
- 32 / 100Ranks 14,245 of 14,768 Health & Household niches · −17 vs the category median of 4932
- Market size
- $152K/yr8K searches / yr
- 90-day growth
- -7.0%search demand this quarter
- Competition
- 93%top-5 click share · 2 brands · 9 sellers
Flapen Score
Inogen One G4 Battery against its category
The dotted line is the Health & Household average. Past it, Inogen One G4 Battery is stronger. Inside it, weaker.
Market
The Inogen One G4 Battery market on Amazon at a glance
Shoppers on Amazon United States searched for Inogen One G4 Battery 8K times last year and spent an estimated $152K. All 2 brands take every click. Flapen scores it 32 out of 100, a Fail.
01 · Demand
An estimated 6.6% of those searches ended in a purchase.
Shoppers searched for this 8K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.6% of those searches ended in a purchase. Searches in the last 90 days moved -7.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $152K a year.
- Searches, last 12 months
- 8K
- Growth, 90 days vs prior 90
- -7.0%
- Conversion, latest week
- 6.6%
- Market size, estimated
- $152Ka year
- Top search term
- inogen one g4 battery4K searches a year
02 · Price
A sale here is worth $281.77.
Listings sell for $281.77 on average, from $113.10 to $464.95. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At $281.77 that is $0 to $28K a year per listing.
- Average price
- $281.77above the $15 to $100 sweet spot
- Price range
- $113.10–$464.95
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 500–750
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$28K
- Returns
- 4.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.9% of listings are out of stock. The average listing ranks #762 within Respiratory Aids & Accessories. It carries 474 reviews at 4.34 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.9%
- Average rank
- #762in Respiratory Aids & Accessories
- Average rating
- 4.34 starsAmazon United States average 4.42 stars
- Average reviews
- 474per listing
- Listings tracked
- 7
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 46 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
- 46 months
Products
Top Inogen One G4 Battery 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 12, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in.
- Price
- $291.67
- Rating
- 4.5/5
- Reviews
- 329
- Age
- 7y ago

Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Inogen Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in.
- Price
- $358.21
- Rating
- 4.5/5
- Reviews
- 437
- Age
- 10y ago

Hlxun One G4/Rove4 Extended (8-Cell) Double Battery Model BA408 Battery Compatible for g4 BA-400 BA-408
- Price
- $272.35
- Rating
- 3.4/5
- Reviews
- 21
- Age
- 3y ago

Inogen Standard (4-Cell) Battery for The Rove 4 One G4 Up to 2 Hours 30 Minutes of Life on Setting 1-0.6 lb. and 5.91 x 2.68 x 0.7 in.
- Price
- $245.28
- Rating
- 4.2/5
- Reviews
- 241
- Age
- 10y ago

Inogen Extended (8-cell) Battery - Replacement Battery - for the Inogen One G4/Rove 4 - 1.1 lb. - 5.91 x 2.68 x 1.34 in.
- Price
- $464.95
- Rating
- 4.5/5
- Reviews
- 82
- Age
- 7y ago
Trending
estimated 90-day click momentum
Inogen Standard (4-Cell) Battery for The Rove 4 One G4 Up to 2 Hours 30 Minutes of Life on Setting 1-0.6 lb. and 5.91 x 2.68 x 0.7 in.
- Price
- $245.28
- Rating
- 4.2/5
- Reviews
- 241
- Age
- 10y ago

Inogen Extended (8-cell) Battery - Replacement Battery - for the Inogen One G4/Rove 4 - 1.1 lb. - 5.91 x 2.68 x 1.34 in.
- Price
- $464.95
- Rating
- 4.5/5
- Reviews
- 82
- Age
- 7y ago

Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Inogen Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in.
- Price
- $358.21
- Rating
- 4.5/5
- Reviews
- 437
- Age
- 10y ago

Inogen External Battery Charger - for Rove 4 and Inogen One G4 - Portable Oxygen Device Battery Charger - 0.12 lbs. and 3.13 in. W x 2.75 in. L x 1 in. H
- Price
- $226.84
- Rating
- 4.6/5
- Reviews
- 333
- Age
- 10y ago

Inogen One G4 Replacement Column Pair - Oxygen Accessories - Two Removable Metal Columns - 0.63 lb. 2.21 in. W x 2.37 in. L x 5.50 in. H
- Price
- $113.10
- Rating
- 4.7/5
- Reviews
- 1,876
- Age
- 10y ago
Newest
by launch date
Hlxun One G4/Rove4 Extended (8-Cell) Double Battery Model BA408 Battery Compatible for g4 BA-400 BA-408
- Price
- $272.35
- Rating
- 3.4/5
- Reviews
- 21
- Age
- 3y ago

Inogen Extended (8-cell) Battery - Replacement Battery - for the Inogen One G4/Rove 4 - 1.1 lb. - 5.91 x 2.68 x 1.34 in.
- Price
- $464.95
- Rating
- 4.5/5
- Reviews
- 82
- Age
- 7y ago

Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in.
- Price
- $291.67
- Rating
- 4.5/5
- Reviews
- 329
- Age
- 7y ago

Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Inogen Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in.
- Price
- $358.21
- Rating
- 4.5/5
- Reviews
- 437
- Age
- 10y ago

Inogen Standard (4-Cell) Battery for The Rove 4 One G4 Up to 2 Hours 30 Minutes of Life on Setting 1-0.6 lb. and 5.91 x 2.68 x 0.7 in.
- Price
- $245.28
- Rating
- 4.2/5
- Reviews
- 241
- Age
- 10y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 93% of clicks. A locked shelf that new listings rarely crack.
Brands
2 flat
Sellers
9
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
93%
Top 20: 100%
Open market
0%
- Inogen82%
- Hlxun18%
Demand
Inogen One G4 Battery search demand
Weekly searches over the year. Pick a range.
Reviews and returns
What reviews say buyers love and hate about Inogen One G4 Battery
We read the reviews and the return reasons for every product selling here.
“Didn't work”
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.
15 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 Inogen One G4 Battery 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









