Is hand crank generator profitable to sell on Amazon United States?

The niche generates $377K/yr across 39 tracked products. 3 of 10 products launched in the last 360 days are still selling. 90-day search growth is -36.0%. Flapen's verdict: Worth a look (54/100).

How competitive is the hand crank generator niche?

37 brands and 61 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 46% of demand.

What do buyers complain about in hand crank generator?

Top complaints mined from reviews: Charging, Functionality-Overall, Size-Overall. The return rate is 1.9%.

When does demand for hand crank generator peak?

Demand peaks in Jan–Oct; the busiest month runs 2.1× the quietest.

What does it cost to enter the hand crank generator niche?

Listings span $8.87–$462.72; the average listing price is $70.44 (sweet spot $15–$100). The average incumbent carries 3,166 reviews — the moat a new listing must climb.

hand crank generator

Worth a look

Shows no brand lock-in (top 5 brands take 46% of clicks), but soft demand (-36.0% this quarter) keeps it on the watch list.

Brand share

Great46%

top-5 brand share — no brand owns this niche

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Great$70.44

avg listing price — sweet spot $15–$100

Returns

Great1.9%

return rate — above 5% kills the launch gate

Competition

Good43%

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

Market size

Good$377K

$377K/yr · 394K searches

Review moat

Okay3,166.21

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$8.87–$462.72

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

Conversion

Bad1.4%

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

Growth

Bad-36.0%

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

Signals No Dominant Brand Low Review Barrier High Price

According to Flapen's Amazon United States niche tracking, hand crank generator is a $377K/yr Amazon United States market (394K searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Jan–Oct. Verdict: Worth a look — 54/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

hand crank generator market data

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: $423K–$564K; units × avg price
Conversion rate: 1.4%
Avg BSR: #734
Page quality: 0%
Prime: 77%
Sponsored: 87%
Out of stock: 9.0%
Avg brand age: 36 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

37 rising

Sellers

Top-5 brand share

46%

Top 20: 85%

Top-5 click share

43%

Top 20: 82%

Open market

48%

Generic11%
BLAVOR10%
Mesqool9%
FosPower9%
RunningSnail7%
Wtobybt6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -36.0% search growth over the last 90 days.

Peak months: Jan, Oct · busiest ÷ quietest = 2.1×

Open Trend

Top hand crank generator search terms

hand crank generator142K/yr -45.3%0.8% conv.
crank charger24K/yr +102.8%0.9% conv.
hand crank charger50K/yr -42.8%0.9% conv.
hand crank34K/yr -23.1%0.1% conv.
hand crank power bank28K/yr -33.7%1.1% conv.
crank generator23K/yr -58.1%0.4% conv.
hand crank phone charger13K/yr -31.3%1.4% conv.
crank power bank12K/yr -49.5%0.8% conv.
hand generator9K/yr -29.0%0.5% conv.
hand crank phone chargers7K/yr +44.0%0.9% conv.

All search terms

Top hand crank generator 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

BLAVOR Solar Power Bank with Hand Crank and 4 Cables 20000mAh Wireless Portable Charger with USB C & Camping Light 20W Fast Charging Battery Pack for iPhone iPad Samsung All Mobile Phones

BLAVOR$40.924.3★364 rev

2-Packs USB Hand Crank For Charger Manual Dynamo Generator Power Banks For Mobile Phones Digital Devices Outdoor Travel Camping

Generic$10.391.8★12 rev

Solar Radio Emergency Hand Crank 12000mAh with Clear Signal AM FM NOAA Weather Radio Battery Operated with 2-Mode LED Flashlight Cell Phone Charger Dual Outputs SOS

Mesqool$48.354.7★922 rev

FosPower NOAA Emergency Weather Radio A1 7400mWh Portable Power Bank AM/FM USB/Solar/Hand Crank Charging Battery Operated SOS Alarm & Flashlight for Indoor/Outdoor Emergency - Orange

FosPower$29.194.6★37,713 rev

20W Portable Hand Crank Generator Manual Power Supply Generator Freestanding Generators Multifunction Manual Crank Generators with Handle for Field Operations Field Trips Off-Grid Emergency

Wtobybt$33.134.1★7 rev

Newest

by launch date

Hand Crank Generator Mini Portable Emergency Power Supply Plasma Lighter Flashlight FM Radio Emergency Power Bank Portable Aluminum Alloy Survival Gear

Generic$24.840 rev

1mo ago

2-Packs USB Hand Crank For Charger Manual Dynamo Generator Power Banks For Mobile Phones Digital Devices Outdoor Travel Camping

Generic$10.3912 rev

1mo ago

BLAVOR Solar Power Bank with Hand Crank and 4 Cables 20000mAh Wireless Portable Charger with USB C & Camping Light 20W Fast Charging Battery Pack for iPhone iPad Samsung All Mobile Phones

BLAVOR$40.92364 rev

8mo ago

JDCEREN 20W Hand Crank Generator High Power 3V-15V Portable Emergency USB Charger Generator for Outdoor Camping Travel Survival Activities

JDCEREN$28.672 rev

8mo ago

20W Portable Hand Crank Generator Manual Power Supply Generator Freestanding Generators Multifunction Manual Crank Generators with Handle for Field Operations Field Trips Off-Grid Emergency

Wtobybt$33.137 rev

9mo ago

What buyers say about hand crank generator

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

What buyers love

Charging18%

“Charged fast”

Quality-Overall10%

“the build quality feels very solid”

Advertised Vs Actual Product9%

“As advertised”

Value For Money8%

“Great investment”

Ease Of Use6%

“Easy to operate”

Portability6%

“Easy to carry around”

Brightness/Shine/Glow5%

“Bright light”

Signal Strength4%

“the antenna was pretty strong”

Battery Life3%

“Battery life is good”

Audio Quality3%

“Great Sound”

What buyers complain about

Charging27%

“Wouldn't charge”

Functionality-Overall11%

“Nothing works great”

Size-Overall8%

“Tiny tank”

Durability7%

“Does not last”

Quality-Overall5%

“Cheaply made”

Value For Money3%

“A bit over priced”

Battery Life3%

“batteries dont work”

Weight Heavy2%

“is a bit heavy”

Advertised Vs Actual Product2%

“Not as described”

Signal Strength2%

“Radio reception is very poor”

Top return reasons

Charging27%

Size-Overall18%

Functionality-Overall9%

Value For Money7%

Advertised Vs Actual Product6%

Battery Life5%

Weight Heavy4%

Defective Material/Parts3%

Quality-Overall3%