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54

ember charging coaster

Worth a look

Shows a sweet-spot price point ($28.10 avg), but soft demand (-4.0% this quarter) keeps it on the watch list.

Market size 56Growth 23Conversion 88Competition 41Returns 41Price range 84Avg price 95Brand share 36Review moat 56Quality gap 83

Avg price

Incredible$28.10

avg listing price — sweet spot $15–$100

Conversion

Great10.3%

search→purchase rate — share of searches ending in a sale

Price range

Great$15.49–$113.46

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Market size

Good$409K

$409K/yr · 142K searches

Review moat

Good1,276.4

avg incumbent reviews — the moat a new listing must climb

Competition

Okay61%

top-5 click share — leaders hold, buyers still browse

Returns

Okay3.7%

return rate — above 5% kills the launch gate

Brand share

Okay83%

top-5 brand share — brands hold most of the demand

Growth

Bad-4.0%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, ember charging coaster is a $409K/yr Amazon United States market (142K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jan–Dec. Verdict: Worth a look — 54/100.

Data updated Aug 4, 2026 · scored weekly · How we score niches

ember charging coaster market data

Units sold / yr
15K–20K
avg 500–750/product
Revenue / yr
$422K–$562K
units × avg price
Conversion rate
10.3%
Avg BSR
#2,255
Page quality
0%
Prime
100%
Sponsored
90%
Out of stock
10.6%
Avg brand age
18 months
Avg seller age
153 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 rising

Sellers

31

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

61%

Top 20: 100%

Open market

8%

  • Ember28%
  • IOKOFJOA20%
  • FEFAIA15%
  • Cisain11%
  • QIHOWHUE9%
  • WUKUR9%
  • Open — no brand owns it (3 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 53 weeks — -4.0% search growth over the last 90 days.
4K3KSpike '25Holiday '25AugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jan, Dec · busiest ÷ quietest = 1.8×

Top ember charging coaster search terms

  • ember charging coaster69K/yr
  • ember mug charger26K/yr
  • ember charger11K/yr
  • ember mug charging base3K/yr
  • ember base replacement4K/yr
  • ember charger replacement4K/yr
  • ember mug 2 charging coaster4K/yr
  • ember mug charging coaster3K/yr
  • ember coaster4K/yr
  • ember mug charger replacement3K/yr
All search terms

Top ember charging coaster 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%5%$20K10%$41K15%$61K20%$82K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 20 tracked products in this niche — three views at once, no toggling.

What buyers say about ember charging coaster

What buyers praise and complain about, mined from review topics.

What buyers love

Charging26%

“charges it just as fast”

Value For Money12%

“Price was great”

Quality-Overall7%

“Excellent product”

Compatibility-Overall6%

“Its fully compatible”

Advertised Vs Actual Product6%

“Works as intended”

Efficiency4%

“Works great”

Design-Overall4%

“clean design”

Size-Overall4%

“It fits the mug properly”

Heating3%

“It heats up properly”

Durability2%

“The construction is just about as durable”

What buyers complain about

Charging32%

“Terrible charging product”

Durability22%

“Breaks easily”

Quality-Overall4%

“Bad quality”

Functionality-Overall4%

“Coaster pins WILL fail”

Size-Overall3%

“not a perfect fit”

Strength3%

“is wobbly on the base”

Value For Money3%

“financially not worth it”

Compatibility-Overall2%

“Didnt work with cup”

Heating1%

“This warmer worked for a week”

Battery Life1%

“Bad battery reaction”

Top return reasons

Charging59%
Compatibility-Overall10%
Size-Overall9%
Functionality-Overall5%
Advertised Vs Actual Product3%
Value For Money3%
Color2%
Durability2%
Product Condition2%
Heating1%

Common questions

Is ember charging coaster profitable to sell on Amazon United States?
The niche generates $409K/yr across 20 tracked products. 5 of 13 products launched in the last 360 days are still selling. 90-day search growth is -4.0%. Flapen's verdict: Worth a look (54/100).
How competitive is the ember charging coaster niche?
9 brands and 31 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in ember charging coaster?
Top complaints mined from reviews: Charging, Durability, Quality-Overall. The return rate is 3.7%.
When does demand for ember charging coaster peak?
Demand peaks in Jan–Dec; the busiest month runs 1.8× the quietest.
What does it cost to enter the ember charging coaster niche?
Listings span $15.49–$113.46; the average listing price is $28.10 (sweet spot $15–$100). The average incumbent carries 1,276 reviews — the moat a new listing must climb.