Fuel Keg
Skip itSoft demand (-58.8% this quarter) — this niche doesn't clear our bar today.
Returns
Great1.3%return rate — above 5% kills the launch gate
Avg price
Great$20.39avg listing price — sweet spot $15–$100
Price range
Great$9.80–$34.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,789.6avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Market size
Bad$63K$63K/yr · 188K searches
Growth
Bad-58.8%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Is fuel keg profitable on Amazon?
According to Flapen's Amazon United States niche tracking, fuel keg is a $63K/yr Amazon United States market (188K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 28/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
fuel keg market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 15K–20K
- avg 2,000–2,500/product
- Revenue / yr
- $306K–$408K
- units × avg price
- Conversion rate
- 1.6%
- Avg BSR
- #40
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 0.0%
- Avg brand age
- 45 months
- Avg seller age
- 173 days
Competition: brands, sellers & click share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
40
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Mr. Heater69%
- Flame King22%
- YOUHO5%
- WedFeir4%
- Open — no brand owns it (0%)
fuel keg demand & seasonality
Weekly Amazon search volume, last 98 weeks — -58.8% search growth over the last 90 days.Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 6.5×
Top fuel keg search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- fuel keg70K/yr
- fuel keg refillable propane tank16K/yr
- mr heater fuel keg30K/yr
- fuel keg refill kit24K/yr
- fuel keg refillable propane kit25K/yr
- mr heater fuel keg refill kit9K/yr
- mr heater refillable propane tank4K/yr
- mr heater fuel keg 2 pack3K/yr
- mr heater propane tank4K/yr
- fuel keg 1lb4K/yr
Top fuel keg products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fuel Keg 1lb Refill Kit
Mr. Heater$27.684.6★1,478 rev

Flame King 1LB EMPTY Propane Cylinder Tank Refillable Reusable Safe and Legal Refill Option DOT Compliant 16.4 oz for Camping Backpacking and Hiking (2-Pack) Green (YSN164-2)
Flame King$34.164.4★3,005 rev

Flame King 1LB EMPTY Propane Cylinder Tank Refillable Reusable Safe and Legal Refill Option DOT Compliant 16.4 oz for Camping Backpacking and Hiking Green
Flame King$16.094.3★2,475 rev

YOUHO 6pcs Brass Refillable Caps Universal for All 1 LB Propane Fuel Keg Bottle Caps Gas Tank Cylinder Sealed Protection Cap
YOUHO$9.804.8★1,394 rev

Propane Refill Adapter with Valve and Gauge Fill 1 Pound Bottles from 20lb Tank Fits QCC1 / Type1 Propane Tank and 1 lb Throwaway Disposable Cylinder Propane Bottle Connector.
WedFeir$14.204.4★596 rev
Newest
by launch date
Propane Refill Adapter with Valve and Gauge Fill 1 Pound Bottles from 20lb Tank Fits QCC1 / Type1 Propane Tank and 1 lb Throwaway Disposable Cylinder Propane Bottle Connector.
WedFeir$14.20596 rev

Fuel Keg 1lb Refill Kit
Mr. Heater$27.681,478 rev

YOUHO 6pcs Brass Refillable Caps Universal for All 1 LB Propane Fuel Keg Bottle Caps Gas Tank Cylinder Sealed Protection Cap
YOUHO$9.801,394 rev

Flame King 1LB EMPTY Propane Cylinder Tank Refillable Reusable Safe and Legal Refill Option DOT Compliant 16.4 oz for Camping Backpacking and Hiking (2-Pack) Green (YSN164-2)
Flame King$34.163,005 rev

Flame King 1LB EMPTY Propane Cylinder Tank Refillable Reusable Safe and Legal Refill Option DOT Compliant 16.4 oz for Camping Backpacking and Hiking Green
Flame King$16.092,475 rev
Trending
90-day click momentum
Flame King 1LB EMPTY Propane Cylinder Tank Refillable Reusable Safe and Legal Refill Option DOT Compliant 16.4 oz for Camping Backpacking and Hiking (2-Pack) Green (YSN164-2)
Flame King$34.164.4★

YOUHO 6pcs Brass Refillable Caps Universal for All 1 LB Propane Fuel Keg Bottle Caps Gas Tank Cylinder Sealed Protection Cap
YOUHO$9.804.8★

Fuel Keg 1lb Refill Kit
Mr. Heater$27.684.6★

Propane Refill Adapter with Valve and Gauge Fill 1 Pound Bottles from 20lb Tank Fits QCC1 / Type1 Propane Tank and 1 lb Throwaway Disposable Cylinder Propane Bottle Connector.
WedFeir$14.204.4★

Flame King 1LB EMPTY Propane Cylinder Tank Refillable Reusable Safe and Legal Refill Option DOT Compliant 16.4 oz for Camping Backpacking and Hiking Green
Flame King$16.094.3★
What reviews say buyers love and hate about fuel keg
What buyers praise and complain about, mined from review topics.What buyers love
“is solid quality”
“Ease of use”
“Works as advertised”
“Worth the price”
“easy to fill”
“Great Fit”
“Works great”
“A safe method”
“no leaks”
“Much better than reusing the disposable tanks”
What buyers complain about
“then started leaking”
“Bad quality control”
“One cylinder will not let gas in cylinder”
“Pricey initially”
“No where did I see that advertised”
“Maybe defect”
“Note that this propane cylinder tank does not fit the hose that came with the Dorloti propane torch it was combined with”
“Hard to fill with out it”
“Does NOT work with Coleman cannisters”
“if you leave them out side in the elements they will start to rust around the bottom”
Top return reasons
Common fuel keg questions
- Is fuel keg profitable to sell on Amazon United States?
- The niche generates $63K/yr across 5 tracked products. 90-day search growth is -58.8%. Flapen's verdict: Skip it (28/100).
- How competitive is the fuel keg niche?
- 4 brands and 40 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in fuel keg?
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Functionality-Overall. The return rate is 1.3%.
- When does demand for fuel keg peak?
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 6.5× the quietest.
- What does it cost to enter the fuel keg niche?
- Listings span $9.80–$34.16; the average listing price is $20.39 (sweet spot $15–$100). The average incumbent carries 1,790 reviews — the moat a new listing must climb.