---
title: "Usb C Cube — $327K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/usb-c-cube"
last_updated: "2026-08-09T12:06:55.451Z"
locale: en
meta:
description: "Niche score 48/100 · $327K/yr market · 150K searches/yr · $12.40 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $327K/yr market · 150K searches/yr · $12.40 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Usb C Cube — $327K/yr Amazon US Niche (2026) - Flapen"
---
# **usb c cube**
**Skip it**
Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Market size 52Growth 27Conversion 98Competition 25Returns 96Price range 43Avg price 53Brand share 48Review moat 22Quality gap 22
**Conversion**
**Incredible****17.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****$12.40**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$327K**
$327K/yr · 150K searches
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****$6.77–$21.22**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+2.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****70%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****9,988.35**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, usb c cube is a $327K/yr Amazon United States market (150K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 48/100.
Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **usb c cube market data**
- **Units sold / yr**
- **25K–30K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$310K–$372K**
- units × avg price
- **Conversion rate**
- **17.6%**
- **Avg BSR**
- **#75**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **1.9%**
- **Avg brand age**
- **28 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**31**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**19%**
- DENGWENQIANG27% - Ocupwei19% - Anker11% - SMALLElectric10% - BSTOEM9% - CXX4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.0% search growth over the last 90 days.
5K3KPrime Day '24Spike '24Holiday '24Prime Day '25Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Dec · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/usb-c-cube/trend)
## **Top usb c cube search terms**
- **usb c cube**35K/yr+9.2%14.1% conv. - **usbc cube**32K/yr+14.9%16.3% conv. - **charging cube usb c**19K/yr+6.7%11.0% conv. - **type c cube**11K/yr-2.8%12.1% conv. - **type c brick**11K/yr-6.7%9.4% conv. - **c cube charger block**10K/yr-18.1%14.0% conv. - **usb c cube wall charger**8K/yr-16.4%13.4% conv. - **c box**7K/yr-22.0%6.5% conv. - **usb-c cube**5K/yr-10.8%16.1% conv. - **charger cube usb c**3K/yr-8.4%8.9% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/usb-c-cube/search-terms)
## **Top usb c cube 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%10%$33K20%$65K30%$98K40%$131K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**2 Pack USB C Charger Block Dual Port Type C Wall Charger Fast Charging 20W Power Adapter Cube for iPhone 14/14 Pro/14 Pro Max/14 Plus/13/12/11 XS/XR/X iPad Samsung More**DENGWENQIANG**$6.77**4.6★21,418 rev](https://www.amazon.com/dp/B0CPSBD68W) [2![USB C Charger Block 20W Ocupwei PD 3.0 Fast Charging Wall Charger USBC Power Adapter Type C Brick Cube for iPhone 17/Pro/Pro Max/17 Air/ 16/16 Pro/16 Pro Max/15/Plus/Pro/Pro Max [2 Pack]](https://m.media-amazon.com/images/I/31EzGuWnU6L.jpg)**USB C Charger Block 20W Ocupwei PD 3.0 Fast Charging Wall Charger USBC Power Adapter Type C Brick Cube for iPhone 17/Pro/Pro Max/17 Air/ 16/16 Pro/16 Pro Max/15/Plus/Pro/Pro Max \[2 Pack\]**Ocupwei**$7.04**4.6★8,920 rev](https://www.amazon.com/dp/B0B79JGSTL) [3**USB C Charger Block 3-Pack Dual Port USB C Fast Charging BlockType C Wall Charger Plug for iPhone 17/16/15/14/13/12/11/ Pro Max/Plus/Xs Max/XR/X iPad Pro (20W)**SMALLElectric**$10.25**4.6★2,749 rev](https://www.amazon.com/dp/B0CZ9BFXJ1) [4**USBC Charger Block for iPhone 17 Charging Plug MFI Certified Fast USB C Wall Cube 2Pack Power Adapter for iPhone16E/17/Air/Pro/Plus/Pro Max/15/14/13/12/11 for iPad Pro/Air/Mini USB-C Charge Brick Box**BSTOEM**$8.55**4.6★8,763 rev](https://www.amazon.com/dp/B08TH8KKJW) [5![[4 Pack] USB C Charger Block Fast Charging Multiport Adpater [PD 20W USB-C & QC 3.0 USB-A Port] for iPhone 17/16/15/14/13/12/11/X/8 iPad Galaxy Google & More](https://m.media-amazon.com/images/I/31oolg1T3iL.jpg)**\[4 Pack\] USB C Charger Block Fast Charging Multiport Adpater \[PD 20W USB-C & QC 3.0 USB-A Port\] for iPhone 17/16/15/14/13/12/11/X/8 iPad Galaxy Google & More**CXX**$11.29**4.6★12,189 rev](https://www.amazon.com/dp/B0B2WLSY9D)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Phone Charger4 Pack USB C Charger Block20W Type C Fast Wall Charge Power Adapter for i Phone 17/16/15/14/13/12/11/X/8/Xs Max/XR/S25/S24 and More**FDHJGFTR**$6.94**201 rev7mo ago](https://www.amazon.com/dp/B0G3ZX3T1H) [**4 Pack USB C Charger Block 20W USB-C & USB-A Port Chargerfor i Phone 17/16/15/14/13/12/11/X/8 i Pad and More**REKNA**$8.88**1,686 rev1y ago](https://www.amazon.com/dp/B0F9NJ789C) [![[4 Pack] USB C Charger Block Charging Block Type C Charger 20W Wall Chargers for iPhone Air/17/17 Plus/17 Pro/17 Max/16/16 Plus/16 Pro Max/15/15 Pro Max/14/13/12/Samsung/Android](https://m.media-amazon.com/images/I/31+3SvF7qhL.jpg)**\[4 Pack\] USB C Charger Block Charging Block Type C Charger 20W Wall Chargers for iPhone Air/17/17 Plus/17 Pro/17 Max/16/16 Plus/16 Pro Max/15/15 Pro Max/14/13/12/Samsung/Android**STAKYCET**$21.00**2,350 rev1y ago](https://www.amazon.com/dp/B0DXZX1NJM) [**USB C Charger Block for Apple iPhone Air 17 16 15 14 13 12 11 Pro Max 20W USBC Fast Charging Cube Plug Brick for Apple Watch iPhone iPad Airpods and More 1Pack 1C USB-C Power Adapter White**BWOGGJ**$7.14**1,116 rev1y ago](https://www.amazon.com/dp/B0DQY13Q54) [**Apple 20W USB-C Compact Power Adapter: Fast and Convenient Charging Type C Wall Charger**Apple**$14.58**12,108 rev1y ago](https://www.amazon.com/dp/B0DJFW7PNM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Phone Charger4 Pack USB C Charger Block20W Type C Fast Wall Charge Power Adapter for i Phone 17/16/15/14/13/12/11/X/8/Xs Max/XR/S25/S24 and More**FDHJGFTR**$6.94**4.5★**▲ 237%**](https://www.amazon.com/dp/B0G3ZX3T1H) [**4 Pack USB C Charger Block 20W USB-C & USB-A Port Chargerfor i Phone 17/16/15/14/13/12/11/X/8 i Pad and More**REKNA**$8.88**4.6★**▲ 112%**](https://www.amazon.com/dp/B0F9NJ789C) [**Anker Nano 47W Fast Charger USB C 2-Port Compact Foldable USB C GaN Charger for iPhone 17/16 Galaxy Pixel Compatible with MagSafe (White)**Anker**$21.22**4.7★**▲ 99%**](https://www.amazon.com/dp/B0BDKCBJ95) [**Anker Nano Phone Charger USB C GaN Charger 30W PIQ 3.0 Foldable PPS Fast Charger USB C for iPhone 17 / 16 and more series Galaxy iPad Compatible with MagSafe**Anker**$13.31**4.8★**▲ 50%**](https://www.amazon.com/dp/B0B2MM1W65) [**USBC Charger Block for iPhone 17 Charging Plug MFI Certified Fast USB C Wall Cube 2Pack Power Adapter for iPhone16E/17/Air/Pro/Plus/Pro Max/15/14/13/12/11 for iPad Pro/Air/Mini USB-C Charge Brick Box**BSTOEM**$8.55**4.6★**▲ 45%**](https://www.amazon.com/dp/B08TH8KKJW)
**~~View all trending →~~**
## **What buyers say about usb c cube**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Charging**38%
*“Charges my phone fast”*
**Quality-Overall**14%
*“Great well made product”*
**Advertised Vs Actual Product**12%
*“Better than I expected”*
**Value For Money**11%
*“Reasonable price”*
**Efficiency**4%
*“These cubes work well”*
**Ease Of Use**2%
*“very handy”*
**Durability**2%
*“This is a durable product for an affordable price”*
**Socket/Port/Plug**2%
*“All of the ports on both work well”*
**Compatibility-Overall**2%
*“Adapter is perfect”*
**Portability**2%
*“Great for Travel”*
### **What buyers complain about **
**Charging**38%
*“Did not charge”*
**Durability**14%
*“Didnt last”*
**Functionality-Overall**8%
*“Doesn't work as advertised”*
**Quality-Overall**6%
*“Poor Quality Control”*
**Heating**5%
*“Gets very hot to the touch”*
**Socket/Port/Plug**4%
*“Usbc port doesnt even work”*
**Compatibility-Overall**2%
*“Doesn't work with certain devices”*
**Size-Overall**2%
*“larger than expected”*
**Advertised Vs Actual Product**2%
*“False advertisement”*
**Connectivity-Overall**2%
*“Sometimes doesn't connect”*
### **Top return reasons **
**Charging**51%
**Compatibility-Overall**13%
**Size-Overall**7%
**Value For Money**6%
**Functionality-Overall**6%
**Socket/Port/Plug**4%
**Defective Material/Parts**3%
**Advertised Vs Actual Product**3%
**Connectivity-Overall**1%
**Length**1%
## **Common questions**
- **Is usb c cube profitable to sell on Amazon United States?**
- The niche generates $327K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.0%. Flapen's verdict: Skip it (48/100).
- **How competitive is the usb c cube niche?**
- 14 brands and 31 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in usb c cube?**
- Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 0.8%.
- **When does demand for usb c cube peak?**
- Demand peaks in Jan–Dec; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the usb c cube niche?**
- Listings span $6.77–$21.22; the average listing price is $12.40 (sweet spot $15–$100). The average incumbent carries 9,988 reviews — the moat a new listing must climb.
## **Related niches in Cell Phones & Accessories**
- 65 [**retractable iphone charger cord**](https://flapen.com/research/us/cell-phones-accessories/retractable-iphone-charger-cord)$1.8M/yr-28.0%**Worth a look**- 65 [**bluetooth headset**](https://flapen.com/research/us/cell-phones-accessories/bluetooth-headset)$2.7M/yr-2.2%**Worth a look**- 65 [**iphone 14 pro max screen replacement**](https://flapen.com/research/us/cell-phones-accessories/iphone-14-pro-max-screen-replacement)$1.1M/yr+5.7%**Launch it**- 65 [**iphone 15 pro max privacy screen protector**](https://flapen.com/research/us/cell-phones-accessories/iphone-15-pro-max-privacy-screen-protector)$3.0M/yr-5.1%**Worth a look**- 66 [**samsung charger**](https://flapen.com/research/us/cell-phones-accessories/samsung-charger)$2.4M/yr-4.5%**Worth a look**- 66 [**portable apple watch charger**](https://flapen.com/research/us/cell-phones-accessories/portable-apple-watch-charger)$869K/yr+15.4%**Launch it**[**All Cell Phones & Accessories niches **](https://flapen.com/research/us/cell-phones-accessories)