---
title: "E90 Battery — $271K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/e90-battery"
last_updated: "2026-08-06T18:43:57.853Z"
locale: en
meta:
description: "Niche score 36/100 · $271K/yr market · 168K searches/yr · $6.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $271K/yr market · 168K searches/yr · $6.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "E90 Battery — $271K/yr Amazon US Niche (2026) - Flapen"
---
# **e90 battery**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 49Growth 23Conversion 100Competition 7Returns 96Price range 0Avg price 17Brand share 0Review moat 25Quality gap 21
**Conversion**
**Incredible****26.1%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$271K**
$271K/yr · 168K searches
**Review moat**
**Bad****4,285**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-4.7%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****$6.17**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****91%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$4.42–$9.88**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, e90 battery is a $271K/yr Amazon United States market (168K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 36/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **e90 battery market data**
- **Units sold / yr**
- **40K–50K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **$247K–$309K**
- units × avg price
- **Conversion rate**
- **26.1%**
- **Avg BSR**
- **#198**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **29%**
- **Out of stock**
- **5.8%**
- **Avg brand age**
- **91 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **—flat
**Sellers**
**52**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**0%**
- DURACELL43% - Energizer36% - PKCELL19% - MaxyCell2%
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — -4.7% search growth over the last 90 days.
10K6KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/health-household/e90-battery/trend)
## **Top e90 battery search terms**
- **n battery**36K/yr-4.1%24.5% conv. - **e90 battery**35K/yr-10.7%24.8% conv. - **lr1 battery**16K/yr+12.1%17.8% conv. - **e90 battery for clock**10K/yr+28.9%33.5% conv. - **n battery 2 pack**12K/yr-33.3%32.6% conv. - **n batteries**8K/yr+2.9%18.6% conv. - **lr1 1.5v battery**9K/yr-7.4%17.9% conv. - **n size battery**6K/yr-0.7%24.3% conv. - **size n batteries**5K/yr+2.5%28.9% conv. - **n cell battery**4K/yr-2.7%15.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/e90-battery/search-terms)
## **Top e90 battery 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%10%$27K20%$54K30%$81K40%$108K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Duracell N 1.5V Alkaline Battery 2 Count Pack N 1.5 Volt Battery Long-Lasting for Key Fobs GPS Trackers and More**DURACELL**$5.72**4.7★11,186 rev](https://www.amazon.com/dp/B00006JPHI) [2**Energizer N Batteries 2 Pack**Energizer**$4.42**4.7★4,395 rev](https://www.amazon.com/dp/B00451ZTBA) [3**Energizer Battery ALKALNE 1.5V E90**Energizer**$5.64**4.8★599 rev](https://www.amazon.com/dp/B01D9DSUFG) [4**PKCELL N Size 1.5V Alkaline Batteries 10 Pack Ultra Long-Lasting MN9100/E90/LR1 Medical Battery for Medical Devices GPS Trackers Flashlights Key Fobs 10-Year Shelf Life**PKCELL**$7.07**4.6★5,085 rev](https://www.amazon.com/dp/B01IN3XF52) [5**PKCELL N Size 1.5V Alkaline Batteries 5 Pack Ultra Long-Lasting MN9100/E90/LR1 Medical Battery for Medical Devices GPS Trackers Flashlights Key Fobs 10-Year Shelf Life**PKCELL**$5.76**4.6★5,085 rev](https://www.amazon.com/dp/B010PMRJ7E)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**MaxyCell LR1 Alkaline Batteries 1.5V - High Capacity Long Lasting Reliable Power Replacement for Medical Devices Car Alarms Key Fobs GPS trackers Leak-Proof Design MN9100 910A LR1 E90 (5 Pack)**MaxyCell**$4.67**29 rev8mo ago](https://www.amazon.com/dp/B0G35GG9KL) [**PKCELL N Size 1.5V Alkaline Batteries 10 Pack Ultra Long-Lasting MN9100/E90/LR1 Medical Battery for Medical Devices GPS Trackers Flashlights Key Fobs 10-Year Shelf Life**PKCELL**$7.07**5,085 rev9y ago](https://www.amazon.com/dp/B01IN3XF52) [**Duracell MN9100/E90/LR1 Medical Battery 1.5 V Card 2 Size N - 2 Count 2 Pack - 4 Batteries Total 2 Count (Pack of 2)**DURACELL**$9.88**3,616 rev9y ago](https://www.amazon.com/dp/B01M2TSIOL) [**Energizer Battery ALKALNE 1.5V E90**Energizer**$5.64**599 rev10y ago](https://www.amazon.com/dp/B01D9DSUFG) [**PKCELL N Size 1.5V Alkaline Batteries 5 Pack Ultra Long-Lasting MN9100/E90/LR1 Medical Battery for Medical Devices GPS Trackers Flashlights Key Fobs 10-Year Shelf Life**PKCELL**$5.76**5,085 rev11y ago](https://www.amazon.com/dp/B010PMRJ7E)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**PKCELL N Size 1.5V Alkaline Batteries 5 Pack Ultra Long-Lasting MN9100/E90/LR1 Medical Battery for Medical Devices GPS Trackers Flashlights Key Fobs 10-Year Shelf Life**PKCELL**$5.76**4.6★**▲ 120%**](https://www.amazon.com/dp/B010PMRJ7E) [**MaxyCell LR1 Alkaline Batteries 1.5V - High Capacity Long Lasting Reliable Power Replacement for Medical Devices Car Alarms Key Fobs GPS trackers Leak-Proof Design MN9100 910A LR1 E90 (5 Pack)**MaxyCell**$4.67**4.5★**▲ 112%**](https://www.amazon.com/dp/B0G35GG9KL) [**Energizer Battery ALKALNE 1.5V E90**Energizer**$5.64**4.8★**▲ 39%**](https://www.amazon.com/dp/B01D9DSUFG) [**Duracell N 1.5V Alkaline Battery 2 Count Pack N 1.5 Volt Battery Long-Lasting for Key Fobs GPS Trackers and More**DURACELL**$5.72**4.7★**— 9%**](https://www.amazon.com/dp/B00006JPHI) [**Duracell MN9100/E90/LR1 Medical Battery 1.5 V Card 2 Size N - 2 Count 2 Pack - 4 Batteries Total 2 Count (Pack of 2)**DURACELL**$9.88**4.7★**▼ 11%**](https://www.amazon.com/dp/B01M2TSIOL)
**~~View all trending →~~**
## **What buyers say about e90 battery**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Battery Life**28%
*“Nice battery life”*
**Value For Money**21%
*“Good for the price”*
**Size-Overall**17%
*“They're dependable and fit my portable gadgets nicely”*
**Advertised Vs Actual Product**11%
*“As described”*
**Quality-Overall**4%
*“Good Product”*
**Durability**2%
*“they last quite a while without needing frequent replacements”*
**Compatibility-Overall**2%
*“Works PERFECTLY For the ANKI COZMO and ANKI VECTOR Cubes”*
**Efficiency**2%
*“Effective”*
**Charging**2%
*“Im glad i chose these—they hold a good charge”*
**Ease Of Use**2%
*“easy as well”*
### **What buyers complain about **
**Size-Overall**20%
*“Doesnt fit”*
**Battery Life**17%
*“One battery was split”*
**Advertised Vs Actual Product**10%
*“Incorrect Description”*
**Durability**10%
*“They don't seem to last as long as comparable brands”*
**Value For Money**7%
*“The only thing that bugged me was the price for just two”*
**Quality-Overall**6%
*“Junk”*
**Maintenance And Repair**4%
*“Need a replacement”*
**Display Brightness**4%
*“The display on my calculator was dim”*
**Product Condition**4%
*“The package looked old and a bit abused”*
### **Top return reasons **
**Size-Overall**74%
**Advertised Vs Actual Product**10%
**Functionality-Overall**5%
**Compatibility-Overall**3%
**Battery Life**2%
**Value For Money**1%
**Charging**1%
**Product Condition**1%
**Durability**1%
**Measurement/Reading Accuracy**0%
## **Common questions**
- **Is e90 battery profitable to sell on Amazon United States?**
- The niche generates $271K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Skip it (36/100).
- **How competitive is the e90 battery niche?**
- 4 brands and 52 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in e90 battery?**
- Top complaints mined from reviews: Size-Overall, Battery Life, Advertised Vs Actual Product. The return rate is 0.7%.
- **When does demand for e90 battery peak?**
- Demand peaks in Aug; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the e90 battery niche?**
- Listings span $4.42–$9.88; the average listing price is $6.17 (sweet spot $15–$100). The average incumbent carries 4,285 reviews — the moat a new listing must climb.
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