Nikon D40 Battery
FailThe top 5 products take 80% of clicks, so Nikon D40 Battery is a Fail.
- Flapen Score
- 49 / 100Top 25% of 8,347 Electronics niches · +6 vs the category median of 4349
- Market size
- $108K/yr33K searches / yr
- 90-day growth
- +12.8%search demand this quarter
- Competition
- 80%top-5 click share · 8 brands · 15 sellers
Flapen Score
Nikon D40 Battery against its category
The dotted line is the Electronics average. Past it, Nikon D40 Battery is stronger. Inside it, weaker.
Market
The Nikon D40 Battery market on Amazon at a glance
Shoppers on Amazon United States searched for Nikon D40 Battery 33K times last year and spent an estimated $108K. The top 5 brands take 92% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 14.8% of those searches ended in a purchase.
Shoppers searched for this 33K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 14.8% of those searches ended in a purchase. Searches in the last 90 days moved +12.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $108K a year.
- Searches, last 12 months
- 33K
- Growth, 90 days vs prior 90
- +12.8%
- Conversion, latest week
- 14.8%
- Market size, estimated
- $108Ka year
- Peak month
- September1.5× the quietest month
- Top search term
- nikon d40 battery9K searches a year
02 · Price
A sale here is worth $21.79.
Listings sell for $21.79 on average, from $8.93 to $53.48. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $21.79 that is $2K to $5K a year per listing.
- Average price
- $21.79inside the $15 to $100 sweet spot
- Price range
- $8.93–$53.48
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$5K
- Returns
- 1.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
73% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 8.5% of listings are out of stock. The average listing ranks #446 within Accessories. It carries 318 reviews at 4.55 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 73%
- Prime listings
- 91%
- Out of stock, average day
- 8.5%
- Average rank
- #446in Accessories
- Average rating
- 4.55 starsAmazon United States average 4.42 stars
- Average reviews
- 318per listing
- Listings tracked
- 11
04 · Newcomers
2 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 91 months on average, so the names here are established.
- Launched, last 12 months
- 3
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 91 months
Products
Top Nikon D40 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 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
FCDAZR EN-EL9 EN-EL9a Battery(2-Pack) and USB Dual Charger for Nikon D40 D40x D60 D3000 D5000 Cameras
- Price
- $20.99
- Rating
- 4.7/5
- Reviews
- 58
- Age
- 7mo ago

FirstPower EN-EL9 EN EL9a Battery 2-Pack 2000mAh and Dual USB Charger Compatible with Nikon D40 D40x D60 D3000 D5000 Digital SLR Cameras
- Price
- $23.69
- Rating
- 4.7/5
- Reviews
- 66
- Age
- 6mo ago

Kastar 2 Packs EN-EL9 Compatible Battery Replacement for Nikon EN-EL9 EN-EL9a EN-EL9e Batteries and Nikon D40 D40x D60 D5000 D3000 Cameras Nikon MH-23 Charger
- Price
- $13.75
- Rating
- 4.4/5
- Reviews
- 653
- Age
- 18y ago

EN-EL9 EN EL9a Battery Pack LP 2-Pack 1050mAh Rechargeable Li-Ion Battery Set Compatible with Nikon D40 D40X D60 D3000 D5000 Cameras
- Price
- $20.67
- Rating
- 4.5/5
- Reviews
- 374
- Age
- 5y ago

Kastar High Capacity EN-EL9 Replacement Lithium-Ion Battery for Nikon EN-EL9 EN-EL9a EN-EL9e Battery MH-23 Charger and Nikon D40 D40X D60 D3000 D5000 SLR Camera
- Price
- $8.93
- Rating
- 4.6/5
- Reviews
- 235
- Age
- 17y ago
Trending
estimated 90-day click momentum
FCDAZR EN-EL9 EN-EL9a Battery(2-Pack) and USB Dual Charger for Nikon D40 D40x D60 D3000 D5000 Cameras
- Price
- $20.99
- Rating
- 4.7/5
- Reviews
- 58
- Age
- 7mo ago

FirstPower EN-EL9 EN EL9a Battery 2-Pack 2000mAh and Dual USB Charger Compatible with Nikon D40 D40x D60 D3000 D5000 Digital SLR Cameras
- Price
- $23.69
- Rating
- 4.7/5
- Reviews
- 66
- Age
- 6mo ago

SUGUBU 2-Pack EN-EL9 Replacement Battery(2000mAh) and Rapid USB Dual Charger Compatible with Nikon EN-EL9 EN-EL9a D40 D40x D60 D3000 D5000 Digital SLR Cameras
- Price
- $22.44
- Rating
- 4.6/5
- Reviews
- 22
- Age
- 11mo ago

Nikon EN-EL9 Rechargeable Li-ion Battery for Nikon D40 and D40x Digital SLR Cameras
- Price
- $53.48
- Rating
- 4.2/5
- Reviews
- 348
- Age
- 24y ago

Kastar 2 Packs EN-EL9 Compatible Battery Replacement for Nikon EN-EL9 EN-EL9a EN-EL9e Batteries and Nikon D40 D40x D60 D5000 D3000 Cameras Nikon MH-23 Charger
- Price
- $13.75
- Rating
- 4.4/5
- Reviews
- 653
- Age
- 18y ago
Newest
by launch date
FirstPower EN-EL9 EN EL9a Battery 2-Pack 2000mAh and Dual USB Charger Compatible with Nikon D40 D40x D60 D3000 D5000 Digital SLR Cameras
- Price
- $23.69
- Rating
- 4.7/5
- Reviews
- 66
- Age
- 6mo ago

FCDAZR EN-EL9 EN-EL9a Battery(2-Pack) and USB Dual Charger for Nikon D40 D40x D60 D3000 D5000 Cameras
- Price
- $20.99
- Rating
- 4.7/5
- Reviews
- 58
- Age
- 7mo ago

SUGUBU 2-Pack EN-EL9 Replacement Battery(2000mAh) and Rapid USB Dual Charger Compatible with Nikon EN-EL9 EN-EL9a D40 D40x D60 D3000 D5000 Digital SLR Cameras
- Price
- $22.44
- Rating
- 4.6/5
- Reviews
- 22
- Age
- 11mo ago

EN-EL9 EN EL9a Battery Pack LP 2-Pack 1050mAh Rechargeable Li-Ion Battery Set Compatible with Nikon D40 D40X D60 D3000 D5000 Cameras
- Price
- $20.67
- Rating
- 4.5/5
- Reviews
- 374
- Age
- 5y ago

Kastar 1-Pack EN-EL9 Battery and AC Wall Charger Replacement for Nikon D5000 D40 D40X D60 D3000 SLR Digital Cameras
- Price
- $11.56
- Rating
- 4.7/5
- Reviews
- 84
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 80% of clicks. A locked shelf that new listings rarely crack.
Brands
8 falling
Sellers
15
Est. top-5 brand share
92%
Top 20: 100%
Est. top-5 click share
80%
Top 20: 100%
Open market
5%
- FCDAZR38%
- FirstPower22%
- Kastar20%
- LP8%
- Batmax5%
- SUGUBU4%
- Open — no brand owns it (2 brands, 5%)
Demand
Nikon D40 Battery search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Nikon D40 Battery search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- nikon d40 battery9K/yr
- nikon d5000 battery8K/yr
- nikon d3000 battery8K/yr
- nikon d60 battery6K/yr
- nikon lithium ion battery pack en-el93K/yr
Reviews and returns
What reviews say buyers love and hate about Nikon D40 Battery
We read the reviews and the return reasons for every product selling here.
“Batteries would not charge”
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 Nikon D40 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









