raspberry pi 4 power supply
Skip itA small market ($45K/yr) — this niche doesn't clear our bar today.
Conversion
Incredible14.0%search→purchase rate — share of searches ending in a sale
Returns
Great1.7%return rate — above 5% kills the launch gate
Review moat
Good912avg incumbent reviews — the moat a new listing must climb
Avg price
Okay$11.18avg listing price — sweet spot $15–$100
Brand share
Bad91%top-5 brand share — brand-locked demand
Price range
Bad$9.19–$16.67cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-22.5%90-day search growth — must beat 0% to launch
Market size
Bad$45K$45K/yr · 28K searches
Competition
Bad87%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, raspberry pi 4 power supply is a $45K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 34/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
raspberry pi 4 power supply market data
- Units sold / yr
- 4K–5K
- avg 250–500/product
- Revenue / yr
- $45K–$56K
- units × avg price
- Conversion rate
- 14.0%
- Avg BSR
- #183
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 60%
- Out of stock
- 0.0%
- Avg brand age
- 53 months
- Avg seller age
- 203 days
Competition & brand share
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 rising
Sellers
23
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
87%
Top 20: 100%
Open market
4%
- CanaKit39%
- Raspberry Pi17%
- LitStar16%
- Smraza10%
- iUniker9%
- GeeekPi5%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -22.5% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 2.8×
Top raspberry pi 4 power supply search terms
- raspberry pi 4 power supply24K/yr
- raspberry pi 4b power supply2K/yr
- pi 4 power supply2K/yr
Top raspberry pi 4 power supply 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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CanaKit 3.5A Raspberry Pi 4 Power Supply (USB-C)
CanaKit$10.014.8★3,824 rev
Raspberry Pi 15W USB-C Power Supply US - Black
Raspberry Pi$16.674.8★1,581 rev
LitStar 5V 3A USB Type C Adapter for Raspberry Pi 4 Model B Power Supply Cord with ON/Off Switch
LitStar$9.994.4★158 rev
Smraza 5.1V 3A Power Supply Compatible with Raspberry Pi 4 ON/Off Switch USB-C Pi 4 Charger Raspi 4B Adapter for Raspberry Pi 4 Model B 1GB 2GB 4GB 8GB Version
Smraza$9.194.6★587 rev
iUniker 5V 4A USB-C Power Supply for Raspberry Pi 4 20W Charger with ON/Off Switch 5ft Cable UL Listed - Compatible with Pi 4 Model B (8GB/4GB/2GB/1GB) & Orange Pi 5/5B
iUniker$9.724.6★543 rev
Newest
by launch date
GeeekPi 20W 5V 4A Power Supply for Raspberry Pi 4/Orange Pi 5/5B UL Listed Type C Power Supply with ON/Off Switch
GeeekPi$10.61317 rev
Geekworm 20W 5V 4A USB C Power Supply for Raspberry Pi 4 Model B
Geekworm$9.71202 rev
iUniker 5V 4A USB-C Power Supply for Raspberry Pi 4 20W Charger with ON/Off Switch 5ft Cable UL Listed - Compatible with Pi 4 Model B (8GB/4GB/2GB/1GB) & Orange Pi 5/5B
iUniker$9.72543 rev
Argon 18W 5.25V 3.5A USB-C Power Supply with Switch for Raspberry Pi 4 - UL Listed
Argon Forty$12.04217 rev
LitStar 5V 3A USB Type C Adapter for Raspberry Pi 4 Model B Power Supply Cord with ON/Off Switch
LitStar$9.99158 rev
Trending
90-day click momentumSmraza 5.1V 3A Power Supply Compatible with Raspberry Pi 4 ON/Off Switch USB-C Pi 4 Charger Raspi 4B Adapter for Raspberry Pi 4 Model B 1GB 2GB 4GB 8GB Version
Smraza$9.194.6★
Raspberry Pi 15W USB-C Power Supply US - Black
Raspberry Pi$16.674.8★
GeeekPi 18W 5V 3.6A Power Supply for Raspberry Pi 4/Orange Pi 5&5B Type C with ON/Off Switch and Micro USB Adapter
GeeekPi$10.914.6★
CanaKit 3.5A Raspberry Pi 4 Power Supply (USB-C)
CanaKit$10.014.8★
Geekworm 20W 5V 4A USB C Power Supply for Raspberry Pi 4 Model B
Geekworm$9.714.7★
What buyers say about raspberry pi 4 power supply
What buyers praise and complain about, mined from review topics.What buyers love
“Perfect for the raspberry pi”
“Perfect charger for my Jump start battery pack requiring a 3amp type C adaptor”
“I like the included switch if I want to turn them off without having to unplug them”
“Does the job”
“is a great size”
“Cable length is decent”
“Reasonable price”
“the build quality feels solid”
“Makes life a lot easier instead of constantly plugging and unplugging”
“which is nice if youre running accessories or pushing the Pi a bit harder”
What buyers complain about
“dont work with raspberry pi 4 is big”
“Not fit for purpose”
“The cost is negligible”
“Waste of time”
“All three of them have failed after 6 to 8 months”
“Not new as advertised”
“the cable could be a little more flexible”
“overall it feels like a step above the ultra-cheap no-name adapters”
Top return reasons
Common questions
- Is raspberry pi 4 power supply profitable to sell on Amazon United States?
- The niche generates $45K/yr across 10 tracked products. 90-day search growth is -22.5%. Flapen's verdict: Skip it (34/100).
- How competitive is the raspberry pi 4 power supply niche?
- 8 brands and 23 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in raspberry pi 4 power supply?
- Top complaints mined from reviews: Compatibility-Overall, Functionality-Overall, Value For Money. The return rate is 1.7%.
- When does demand for raspberry pi 4 power supply peak?
- Demand peaks in Aug–Sep; the busiest month runs 2.8× the quietest.
- What does it cost to enter the raspberry pi 4 power supply niche?
- Listings span $9.19–$16.67; the average listing price is $11.18 (sweet spot $15–$100). The average incumbent carries 912 reviews — the moat a new listing must climb.