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51

sae to usb

Worth a look

Shows a sweet-spot price point ($15.28 avg), but a small market ($30K/yr) keeps it on the watch list.

Market size 7Growth 75Conversion 58Competition 44Returns 70Price range 73Avg price 76Brand share 53Review moat 47Quality gap 42

Avg price

Great$15.28

avg listing price — sweet spot $15–$100

Growth

Great+61.0%

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

Price range

Good$8.33–$32.86

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

Returns

Good2.2%

return rate — above 5% kills the launch gate

Conversion

Good5.0%

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

Brand share

Good73%

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

Review moat

Okay1,830.3

avg incumbent reviews — the moat a new listing must climb

Competition

Okay58%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad$30K

$30K/yr · 39K searches

According to Flapen's Amazon United States niche tracking, sae to usb is a $30K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 51/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

sae to usb market data

Units sold / yr
3K–3K
avg 100–250/product
Revenue / yr
$38K–$46K
units × avg price
Conversion rate
5.0%
Avg BSR
#103
Page quality
0%
Prime
100%
Sponsored
91%
Out of stock
1.0%
Avg brand age
47 months
Avg seller age
161 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 flat

Sellers

27

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

58%

Top 20: 97%

Open market

19%

  • Battery Tender30%
  • MOTOPOWER13%
  • BATIGE12%
  • Garystat9%
  • Mroinge8%
  • EXTRACTME8%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +61.0% search growth over the last 90 days.
1K800Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun · busiest ÷ quietest = 2.1×

Top sae to usb search terms

  • sae to usb12K/yr
  • sae to usb c8K/yr
  • battery tender usb adapter9K/yr
  • sae to usb adapter6K/yr
  • battery tender usb4K/yr
All search terms

Top sae to usb 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%$1K10%$3K15%$4K20%$6K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about sae to usb

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

What buyers love

Charging21%

“Great charger”

Quality-Overall14%

“Good Quality”

Advertised Vs Actual Product13%

“As advertised”

Assembly/Installation9%

“Easy set up”

Value For Money8%

“Great deal”

Ease Of Use6%

“Ease of Use”

Efficiency3%

“It works good”

Battery Life3%

“the battery stays happy”

Socket/Port/Plug2%

“Nice to have USB-A and C ports available”

Touch/Button Controls1%

“I like having a power button”

What buyers complain about

Functionality-Overall14%

“Does not turn on under any circumstance”

Durability13%

“Stopped working after the first time I used it”

Charging10%

“does not charge my phone or any other electronics”

Quality-Overall10%

“It feels very cheap”

Socket/Port/Plug7%

“For those reviews that complain that the USB port is too tight”

Battery Life4%

“the battery would be to weak to start the bike”

Defective Material/Parts4%

“Defective, wouldn't turn on”

Size-Overall2%

“bracket too small”

Assembly/Installation2%

“Have a mechanic install it”

Mounting2%

“Brittle plastic mount”

Top return reasons

Charging27%
Size-Overall14%
Socket/Port/Plug12%
Functionality-Overall11%
Compatibility-Overall10%
Defective Material/Parts8%
Mounting3%
Connectivity-Overall3%
Advertised Vs Actual Product2%
Value For Money2%

Common questions

Is sae to usb profitable to sell on Amazon United States?
The niche generates $30K/yr across 23 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +61.0%. Flapen's verdict: Worth a look (51/100).
How competitive is the sae to usb niche?
16 brands and 27 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 73% of demand.
What do buyers complain about in sae to usb?
Top complaints mined from reviews: Functionality-Overall, Durability, Charging. The return rate is 2.2%.
When does demand for sae to usb peak?
Demand peaks in Apr–May–Jun; the busiest month runs 2.1× the quietest.
What does it cost to enter the sae to usb niche?
Listings span $8.33–$32.86; the average listing price is $15.28 (sweet spot $15–$100). The average incumbent carries 1,830 reviews — the moat a new listing must climb.