Is 40w charger block profitable to sell on Amazon United States?

The niche generates $72K/yr across 34 tracked products. 8 of 10 products launched in the last 360 days are still selling. 90-day search growth is -7.7%. Flapen's verdict: Skip it (49/100).

How competitive is the 40w charger block niche?

24 brands and 37 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in 40w charger block?

Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 1.4%.

What does it cost to enter the 40w charger block niche?

Listings span $7.93–$35.74; the average listing price is $16.91 (sweet spot $15–$100). The average incumbent carries 15,214 reviews — the moat a new listing must climb.

40w charger block

Skip it

A small market ($72K/yr) — this niche doesn't clear our bar today.

Returns

Great1.4%

return rate — above 5% kills the launch gate

Avg price

Great$16.91

avg listing price — sweet spot $15–$100

Price range

Great$7.93–$35.74

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

Competition

Good42%

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

Brand share

Good68%

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

Conversion

Good5.3%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-7.7%

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

Review moat

Bad15,214.12

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$72K

$72K/yr · 81K searches

According to Flapen's Amazon United States niche tracking, 40w charger block is a $72K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 68% of demand. Verdict: Skip it — 49/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

40w charger block market data

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: $101K–$135K; units × avg price
Conversion rate: 5.3%
Avg BSR: #193
Page quality: 0%
Prime: 100%
Sponsored: 74%
Out of stock: 1.2%
Avg brand age: 24 months
Avg seller age: 190 days

Competition & brand share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

24 rising

Sellers

Top-5 brand share

68%

Top 20: 97%

Top-5 click share

42%

Top 20: 86%

Open market

27%

Anker42%
KOUEMGI9%
iGENJUN7%
Duloch6%
Topabol5%
PGQBS4%

Demand

Weekly Amazon search volume, last 36 weeks — -7.7% search growth over the last 90 days.

Open Trend

Top 40w charger block search terms

anker 31314K/yr +7.0%4.0% conv.
40w usb c charger block13K/yr -34.5%6.9% conv.
40 watt charger block6K/yr +20.0%5.3% conv.
anker 313 charger6K/yr +14.6%4.5% conv.
40w charging block5K/yr +58.1%5.7% conv.
40w fast charger5K/yr +25.6%3.3% conv.
40w charger block10K/yr -30.3%4.1% conv.
usb c charger block 40w9K/yr -37.5%8.3% conv.
40 w charger4K/yr +0.3%3.4% conv.
40 watt usb c charger block6K/yr -34.1%9.2% conv.

All search terms

Top 40w charger block 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★)

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

Top sellers

by 90-day click share

Anker iPhone Charger Fast Charging 45W Type C Charger with 6 FT Fast Charging Cable Compact and Foldable Plug USB C Charger Block for iPhone 17 Series MacBook Pixel 9 iPad and More

Anker$22.424.8★3,479 rev

USB C Charger Block 2Pack 40W 4-Port Type C Fast Charging Block Dual PD Power Adapter+QC Plug Double Wall Charger Blocks Multiple USBC Charging Cube for iPhone 17 16 15 14 13 12 11 Pro Max Samsung

KOUEMGI$9.944.6★4,502 rev

Anker 313 Wireless Charger (Stand) Qi-Certified for iPhone 15/14 / 13/12 / 11 / X / 8 10W Max for Galaxy S23 / S22 / S21 Micro-USB (9V / 2A Adapter Required Not Included)

Anker$16.264.5★126,800 rev

2Pack 40W USB C Charger Block iGENJUN Dual USB-C Port Power Adapter - Phone Charger with Fast Charging Capability Type C Wall Charger for iPhone 17/17 Pro Max/16/15 Galaxy iPad Tablet - White

iGENJUN$8.224.6★3,915 rev

Anker 45W USB C Charger Block Type C Charger Fast Charging for iPhone 17/16 Series Phone Charger with USB-C Cable for iPad Galaxy S24 Ultra (2-Pack 5 ft Cable Included)

Anker$27.294.8★5,086 rev

Newest

by launch date

Anker Smart Display Charger Anker Nano USB C Charger Block 45W Max GaN Phone Charger 180 Foldable Plug Smart Recognition Built-in Care Mode for iPhone17/16/15(Non-Battery One USB-C Port No Cable)

Anker$30.143,753 rev

5mo ago

Otovoda 40W Type C Charger Fast Charging for iPhone 17 16 15 USB C Charger Block Foldable Plug USBC Wall Chargers Brick with 6FT Cables for iPhone 17 Pro Max/17 Pro/17/16/16 Pro Max/15 Pro Max 2 Pack

Otovoda$10.8770 rev

7mo ago

USB C Fast Charger for iPhone 17 16 15 Pro Max Charger Fast Charging 2Pack 40W USB C Wall Charger Block with 4FT + 6FT Type C Cable Cord for iPhone 17/17 Pro/17 Pro Max/Air/16/16 Pro Max/15/15 Plus

Topabol$10.3596 rev

7mo ago

Citelect 40W iPhone17/16 Pro Max Charger Fast Charging 2Pack USB C Fast Charger Block for iPhone 17/16 Pro Max/15 Series/iPad Pro and More PD 3.0 Wall Charger with 6FT+10FT USB C to C Cable

Citelect$13.03122 rev

8mo ago

Apple 40W Dynamic Power Adapter with 60W Max

Apple$35.741,263 rev

10mo ago

What buyers say about 40w charger block

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

What buyers love

Charging46%

“Charger works well”

Quality-Overall13%

“good quality tool”

Advertised Vs Actual Product9%

“Accurate description”

Value For Money7%

“Good price”

Efficiency4%

“It works”

Portability3%

“Convenient for traveling”

Ease Of Use2%

“Very handy”

Compatibility-Overall2%

“compatible”

Socket/Port/Plug2%

“Nice plug”

Size-Overall1%

“Perfect Size for Travel”

What buyers complain about

Charging39%

“Doesn't charge”

Durability13%

“Broke after first use”

Functionality-Overall5%

“Doesn't work very well at all”

Quality-Overall5%

“the product is low quality at best”

Advertised Vs Actual Product4%

“Deceptive advertising”

Socket/Port/Plug3%

“Ports dont always work”

Heating3%

“Too hot to touch”

Value For Money3%

“Its a little expensive”

Compatibility-Overall2%

“not universally compatible”

Size-Overall2%

“Doesn't fit”

Top return reasons

Charging59%

Compatibility-Overall8%

Value For Money6%

Functionality-Overall5%

Size-Overall4%

Advertised Vs Actual Product3%