Is 9 in 1 cable case profitable to sell on Amazon United States?

The niche generates $58K/yr across 25 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -6.4%. Flapen's verdict: Skip it (48/100).

How competitive is the 9 in 1 cable case niche?

19 brands and 21 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 63% of demand.

What do buyers complain about in 9 in 1 cable case?

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

When does demand for 9 in 1 cable case peak?

Demand is steady year-round — the busiest month runs 2.5× the quietest.

What does it cost to enter the 9 in 1 cable case niche?

Listings span $4.87–$41.49; the average listing price is $11.45 (sweet spot $15–$100). The average incumbent carries 982 reviews — the moat a new listing must climb.

9 in 1 cable case

Skip it

A small market ($58K/yr) — this niche doesn't clear our bar today.

Returns

Great1.4%

return rate — above 5% kills the launch gate

Price range

Good$4.87–$41.49

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

Brand share

Good63%

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

Review moat

Good981.68

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.5%

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

Competition

Good53%

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

Avg price

Okay$11.45

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-6.4%

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

Market size

Bad$58K

$58K/yr · 112K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, 9 in 1 cable case is a $58K/yr Amazon United States market (112K searches/yr). The top 5 brands hold 63% of demand. Verdict: Skip it — 48/100.

Data updated Jul 5, 2026 · scored weekly · How we score niches

9 in 1 cable case market data

Units sold / yr: 5K–6K; avg 100–250/product
Revenue / yr: $57K–$69K; units × avg price
Conversion rate: 4.5%
Avg BSR: #404
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 37 months
Avg seller age: 186 days

Competition & brand share

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

Top-5 brand share

63%

Top 20: 100%

Top-5 click share

53%

Top 20: 94%

Open market

32%

Elebase19%
YANZIE15%
Azvegr14%
Liaoan8%
AreMe7%
BHSKJSZ6%

Demand & seasonality

Weekly Amazon search volume, last 91 weeks — -6.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 2.5×

Open Trend

Top 9 in 1 cable case search terms

usb adapter kit42K/yr -14.2%4.0% conv.
usb c adapter kit12K/yr +1.4%2.9% conv.
cord adapter kit5K/yr +60.1%4.6% conv.
usb adapter set8K/yr +3.4%4.7% conv.
adapter kit7K/yr +6.4%3.1% conv.
multi usb charging adapter cable kit6K/yr -11.4%3.1% conv.
charging kit6K/yr +4.3%1.0% conv.
cable adapter kit5K/yr -1.8%3.0% conv.
usbc adapter kit4K/yr -11.4%3.5% conv.
charger adapter kit5K/yr -31.5%4.0% conv.

All search terms

Top 9 in 1 cable case 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

Elebase Multi USB C Charger Adapter Cable Kit (6 in 1) Travel Type C to iOS Adaptor Box with 1Ft 100W Charging Cord USB 3.0 OTG USBC to Micro Converter Portable Card Storage Eject Pin Data Transfer

Elebase$14.844.6★786 rev

Multi USB Charging Adapter Cable Kit USB C to iOS Device Adapter Box Conversion Set A & Type C to Male Micro /Type C/iOS Device Data Transfer Card Storage Tray Eject Pin Phone Holder (pink)

Azvegr$7.034.4★3,636 rev

AreMe USB C Adapter (6 Pack) Micro USB Male to USB C Female Adapter USB 3.0 to Type C Converter Connector

AreMe$6.964.6★712 rev

Liaoan USB A to USB C 3.0 OTG Adapter USB C to Micro Converter IP to Type-C Converter and Type-C to USB A OTG 3.0 Adapter (6 Pieces) Supporting Fast Charging and Data Transfer

Liaoan$16.914.7★225 rev

BHSKJSZ 10-Piece Type C Adapter Kit Compatible with Micro USB/Type C/USB OTG Adapter Travel Case with and Carabiner Includes USB Type C Cable

BHSKJSZ$24.664.5★866 rev

Newest

by launch date

YANZIE USB-C Travel Adapter Kit for iPhone Pixel & Galaxy: USB-A to C Micro-USB to C Type-C to Lightning Short USB-C Cable OTG Mirror Case (Black)

YANZIE$6.861,227 rev

6mo ago

Zelphvt 12 Pcs USB Adapter Kit USB OTG Adapter USB2.0 Male to Female Micro-USB Adapters for Multiple Devices Computer PC Tablet Mobile Phone

Zelphvt$8.454 rev

7mo ago

Liaoan USB A to USB C 3.0 OTG Adapter USB C to Micro Converter IP to Type-C Converter and Type-C to USB A OTG 3.0 Adapter (6 Pieces) Supporting Fast Charging and Data Transfer

Liaoan$16.91225 rev

9mo ago

UGREEN USB to USB C Adapter & USB C to USB Adapter Combo 4-Pack 10Gbps Type C USBC Adapter Compatible with MacBook iPhone 17/16/15 iPad Samsung Galaxy Apple Watch

UGREEN$8.033,186 rev

10mo ago

Ekoomar 10-in-1 Adapter Kit - Multi Charging Cable Converter - USB C to USB OTG - SIM Card Pin Ejector Tool | L-Shape Adapters - Waterproof Oxford Case - Storage Box - Universal Device Compatibility

Ekoomar$41.492 rev

1y ago

What buyers say about 9 in 1 cable case

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

What buyers love

Portability13%

“Perfect for Travel”

Advertised Vs Actual Product12%

“As advertised”

Quality-Overall11%

“Build quality feels solid”

Ease Of Use11%

“Comes in handy”

Value For Money8%

“Good for the price”

Charging5%

“fast charging”

Compatibility-Overall5%

“Its compatible with the things its compatible with”

Connectivity-Overall5%

“Connections are solid”

Size-Overall4%

“Great item, perfect size for travel”

Compactness4%

“Looks like a compact mirror”

What buyers complain about

Functionality-Overall13%

“Did not work”

Durability11%

“Falls apart”

Charging9%

“It takes a long time to charge”

Quality-Overall9%

“poor quality case”

Size-Overall6%

“Case is big”

Connectivity-Overall4%

“Connection issues when using on certain cords”

Compatibility-Overall3%

“Not Apple supported”

Value For Money3%

“Cheap, waste of money product”

Socket/Port/Plug2%

“is very hard to insert a USB-A flash drive into the in USB-A to USB-C adapter”

Data Transfer Speed2%

“I didnt use them to transfer any data so I cant speak to the transfer speeds”

Top return reasons

Compatibility-Overall28%

Functionality-Overall10%

Size-Overall10%

Charging8%

Connectivity-Overall7%

Advertised Vs Actual Product6%

Defective Material/Parts5%

Value For Money5%

Quality-Overall5%

Socket/Port/Plug4%

Common questions

Is 9 in 1 cable case profitable to sell on Amazon United States?: The niche generates $58K/yr across 25 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -6.4%. Flapen's verdict: Skip it (48/100).
How competitive is the 9 in 1 cable case niche?: 19 brands and 21 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 63% of demand.
What do buyers complain about in 9 in 1 cable case?: Top complaints mined from reviews: Functionality-Overall, Durability, Charging. The return rate is 1.4%.
When does demand for 9 in 1 cable case peak?: Demand is steady year-round — the busiest month runs 2.5× the quietest.
What does it cost to enter the 9 in 1 cable case niche?: Listings span $4.87–$41.49; the average listing price is $11.45 (sweet spot $15–$100). The average incumbent carries 982 reviews — the moat a new listing must climb.