3fm7 6v7ah 20hr battery
Worth a lookShows searches that convert (11.5% search→purchase), but a small market ($41K/yr) keeps it on the watch list.
Conversion
Great11.5%search→purchase rate — share of searches ending in a sale
Avg price
Great$21.66avg listing price — sweet spot $15–$100
Price range
Great$9.52–$39.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great468avg incumbent reviews — the moat a new listing must climb
Growth
Good+46.8%90-day search growth — must beat 0% to launch
Returns
Good2.7%return rate — above 5% kills the launch gate
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Market size
Bad$41K$41K/yr · 16K searches
According to Flapen's Amazon United States niche tracking, 3fm7 6v7ah 20hr battery is a $41K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 82% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
3fm7 6v7ah 20hr battery market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $43K–$54K
- units × avg price
- Conversion rate
- 11.5%
- Avg BSR
- #115
- Page quality
- 0%
- Prime
- 79%
- Sponsored
- 79%
- Out of stock
- 0.0%
- Avg brand age
- 76 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
23
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
12%
- Mighty Max Battery44%
- ExpertPower11%
- AJC11%
- Interstate Batteries8%
- Tnvodejo8%
- Casil5%
- Open — no brand owns it (4 brands, 12%)
Demand
Weekly Amazon search volume, last 44 weeks — +46.8% search growth over the last 90 days.Top 3fm7 6v7ah 20hr battery search terms
- 3fm7 6v7ah 20hr battery8K/yr
- 6v 7ah battery6K/yr
- 3fm7 battery2K/yr
Top 3fm7 6v7ah 20hr 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Mighty Max Battery ML7-6 - 6 Volt 7 AH F1 Terminal Rechargeable SLA AGM Battery Mighy Max Product
Mighty Max Battery$14.054.5★2,143 rev

Mighty Max Battery 6V 7Ah SLA Replacement Battery for Enduring 3FM7
Mighty Max Battery$15.584.6★771 rev

AJC Battery Compatible with Long Way LW-3FM7 6V 7Ah Sealed Lead Acid Battery
AJC$20.694.5★517 rev

Interstate Batteries 6V 7Ah Battery (F1 Terminal) SLA AGM VRLA Rechargeable Replacement for Electric Fences UPS Backup Systems Solar Medical Devices (SLA0925)
Interstate Batteries$20.954.6★385 rev

ExpertPower EXP670-6V 7Ah Rechargeable 6V Battery for Ride On Toys Emergency Light Replacement for PEA6V65F3 Enduring 3FM7 UB670 Sealed Lead Acid (SLA) 6 Volt Battery with F1 Terminal
ExpertPower$18.884.6★193 rev
Newest
by launch date
6V 7Ah Li-ion Rechargeable Battery Replacement Battery Compatible with Kids Trax ATV Marshall Fire Truck Dodge Ram 1500 Kids Ride-On Car
Tnvodejo$34.5111 rev

UNIKARO 6V 7Ah Li-ion Battery Pack with Charger Replacement for Kids Ride-On Cars ATVs Fire Trucks Black and Green
UNIKARO$39.0526 rev

Energizer EN7-6 6 Volt 7 Amp Hr Long Lasting Sealed Lead Acid AGM Rechargeable Battery Ideal for Use in Emergency Illumination Backup Power Kids Ride On and More
Energizer$22.1617 rev

6V 7Ah Lead Acid Rechargeable Battery Replacement Battery Compatible with Kids Trax ATV Marshall Fire Truck Dodge Ram 1500 Kids Ride-On Car
Tnvodejo$29.2313 rev

Battery Hawk UB670 ELB-0607 Lead Acid 6V 7AH SLA WP7-6 EMB-0606 Sealed for Exit Sign Emergency Light BAT67 7000mah
Battery Hawk$9.5217 rev
Trending
90-day click momentum
ExpertPower EXP670 (2 Pack) - 6V 7Ah Rechargeable 6V Battery for Ride On Toys Emergency Light Replacement for PEA6V65F3 Enduring 3FM7 UB670 Sealed Lead Acid (SLA) 6 Volt Battery with F1 Terminal
ExpertPower$30.834.6★

Energizer EN7-6 6 Volt 7 Amp Hr Long Lasting Sealed Lead Acid AGM Rechargeable Battery Ideal for Use in Emergency Illumination Backup Power Kids Ride On and More
Energizer$22.164.9★

6V 7Ah Li-ion Rechargeable Battery Replacement Battery Compatible with Kids Trax ATV Marshall Fire Truck Dodge Ram 1500 Kids Ride-On Car
Tnvodejo$34.514.0★

UNIKARO 6V 7Ah Li-ion Battery Pack with Charger Replacement for Kids Ride-On Cars ATVs Fire Trucks Black and Green
UNIKARO$39.054.7★

Battery Hawk UB670 ELB-0607 Lead Acid 6V 7AH SLA WP7-6 EMB-0606 Sealed for Exit Sign Emergency Light BAT67 7000mah
Battery Hawk$9.524.2★
What buyers say about 3fm7 6v7ah 20hr battery
What buyers praise and complain about, mined from review topics.What buyers love
“quick delivery - charges quickly”
“Battery worked great, we're up and running again”
“Fits and charges”
“Quality product”
“As described”
“Works great”
“great price too”
“installation was straightforward”
“My hot fence works again”
What buyers complain about
“Dura poco”
“Battery lasted less than 1 year”
“Didnt fit what as advertised to fit”
“almost catching on fire in my garage”
“it quit charging”
“almost catching on fire in my garage”
Top return reasons
Common questions
- Is 3fm7 6v7ah 20hr battery profitable to sell on Amazon United States?
- The niche generates $41K/yr across 14 tracked products. 90-day search growth is +46.8%. Flapen's verdict: Worth a look (52/100).
- How competitive is the 3fm7 6v7ah 20hr battery niche?
- 10 brands and 23 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in 3fm7 6v7ah 20hr battery?
- Top complaints mined from reviews: Durability, Battery Life, Size-Overall. The return rate is 2.7%.
- What does it cost to enter the 3fm7 6v7ah 20hr battery niche?
- Listings span $9.52–$39.05; the average listing price is $21.66 (sweet spot $15–$100). The average incumbent carries 468 reviews — the moat a new listing must climb.