12v Power Supply Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
12v Power Supply sales on Amazon US totaled 48,800 units in July 2026 (▼ 12.4% vs. the prior month), generating an estimated $1,752,693 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 75.8% of unit volume and 64.8% of revenue, while a typical listing is priced at $41.90. The keyword itself pulled 23,437 Amazon queries over the same period (▲ 5.5% MoM).
Zooming out to the 12-month window ending July 2026, the 12v power supply Top 50 moved 539,650 units and $18,661,584 in cumulative sales — an average of 44,971 units and $1,555,132 per month. Monthly throughput topped out at 55,700 units in June 2026 and dipped to 26,700 in May 2026, leaving the latest reading 2.2% higher than August 2025.
12v Power Supply Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
48.8K
▼ 12.4% MoM
Monthly Revenue 2026/07
$1.8M
▼ 10.9% MoM
Top 10 Market Share 2026/07
75.8%
12v Power Supply Market Share & Sales Concentration on Amazon US — July 2026
The most-sold 12v power supply listing on Amazon US in July 2026 is ASIN B0CFB6T2QN (Brand: PiSFAU), which sold 10,000 units at $21.95 apiece — equal to 20.5% of every unit tracked in this report and 1.7× the volume of the No. 2 listing.
The Top 10 ASINs account for 37,000 units and $1,136,010 in July 2026 — 75.8% of unit volume and 64.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for '12v Power Supply' on Amazon
July 2026
Is 75.8% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown
B0CFB6T2QN
PiSFAU 200W Car Power Inverter - DC 12V to 110V AC Car Plug Adapter Outlet | Dual AC Outlet 4.8A 24W USB-A/C, Portable Cigarette Lighter Charger for Laptop/Camping/Road Trip Essential/Vehicle Accessorie
10K
▲ 0.0%vs. prior month
$227.2K
latest month
12-month trend
B004MDXS0U
BESTEK Power Inverter DC 12-17V to AC 110V - 300W Car Plug Adapter Outlet | 4.8A Dual USB Fast Charging Port, Vehicle Charger Cigarette Lighter Adapter for Phone, Laptop on Road Trip - Aluminum Housing
6K
▲ 0.0%vs. prior month
$156K
latest month
12-month trend
B01GEA8PQA
ALITOVE DC 12V 5A Power Supply Adapter Converter Transformer 60W AC 100-240V Input with 5.5x2.5mm DC Output Jack for 5050 3528 LED Strip Module Light
4K
▲ 0.0%vs. prior month
$52K
latest month
12-month trend
B0CPDGXT5H
Pro Chaser 400W Power Inverters for Vehicles DC 12v to AC 110v Car Inverter | Car Converter, 6.2A Dual USB Charging Ports, Dual AC Adapter for Laptops Air Compressor
4K
▲ 33.3%vs. prior month
$134.9K
latest month
12-month trend
B073WSWT34
Facmogu DC 12V 3A Power Adapter, 100-240V AC to DC 12 Volt Power Supply | 12V DC Power Supply w/ Barrel Connector 5.5x2.5mm & 5.5x2.1mm | Desktop Adpater | Switching Transformer AC/DC Power Converter
3K
▲ 50.0%vs. prior month
$30K
latest month
12-month trend
B0CC3QBGDL
MSI MAG A750GL PCIE5, Fully Modular Compact Gaming 750W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty
2K
▼ 50.0%vs. prior month
$183.4K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best 12v Power Supply Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
PiSFAU is the best-performing 12v power supply brand in July 2026, moving 10,000 units across 1 ASIN for 27.0% of Top 10 volume. BESTEK follows with 6,000 units (16.2%), ahead of ALITOVE on 6,000 units (16.2%).
Volume is spread across 9 brands, with the top three holding 59.5% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $17.43 to $26.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
PiSFAU
1 ASIN in Top 10
27.0%
Units
10K
Revenue
$227.2K
Avg. price
$21.95
B0CFB6T2QN
$21.95·★4.4·4.7K revsPiSFAU 200W Car Power Inverter - DC 12V to 110V AC Car Plug Adapter Outlet | Dual AC Outlet 4.8A 24W USB-A/C, Portable Cigarette Lighter Charger for Laptop/Camping/Road Trip Essential/Vehicle Accessorie
Units sold10K
BESTEK
1 ASIN in Top 10
16.2%
Units
6K
Revenue
$156K
Avg. price
$26.99
B004MDXS0U
$26.99·★4.5·34K revsBESTEK Power Inverter DC 12-17V to AC 110V - 300W Car Plug Adapter Outlet | 4.8A Dual USB Fast Charging Port, Vehicle Charger Cigarette Lighter Adapter for Phone, Laptop on Road Trip - Aluminum Housing
Units sold6K
ALITOVE
2 ASINs in Top 10
16.2%
Units
6K
Revenue
$95.7K
Avg. price
$17.43
B01GEA8PQA
$12.99·★4.5·4.6K revsALITOVE DC 12V 5A Power Supply Adapter Converter Transformer 60W AC 100-240V Input with 5.5x2.5mm DC Output Jack for 5050 3528 LED Strip Module Light
Units sold4KB078RZQ9WY
$21.88·★4.4·5K revsALITOVE AC to DC Converter 110V to 12V 10A 120W Power Supply Car Cigarette Lighter Adapter to Wall Plug AC to DC Adapter for Car Vacuum Cleaner Inflator Refrigerator Cooler and Other Car Devices
Units sold2K
Trending 12v Power Supply Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B078RZQ9WY booked 2K units at $21.88, with ▲ 100.0% MoM change. On the growth side, B07VQHYGRD leads positive momentum with ▲ 100.0% MoM growth on 1K units, with B0CCL86TGY close behind at ▲ 100.0% MoM on 200 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B078RZQ9WY
ALITOVE AC to DC Converter 110V to 12V 10A 120W Power Supply Car Cigarette Lighter Adapter to Wall Plug AC to DC Adapter for Car Vacuum Cleaner Inflator Refrigerator Cooler and Other Car Devices
Price
$21.88
Rating
4.4
Reviews
5K
Latest month sales
B07VQHYGRD
ALITOVE DC 12V 1A Power Supply 12W AC Adapter 100~240V 50-60hz to 12 Volt 1Amp 0.5A Transformer DC 12V Power Cord 5.5 x 2.5mm 2.1mm Plug for LED Strip Light CCTV Security Camera and More
Price
$7.59
Rating
4.4
Reviews
1.5K
Latest month sales
B0CCL86TGY
12V 10A 120W Universal Regulated Switching Power Supply, 100-250V AC to 12V DC Converter, LED Driver, Industrial Transformer, Adapter for Strip Light, Lamp, Radio
Unlock to view ASIN details and product titles
Price
$16.10
Rating
4.3
Reviews
266
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this 12v power supply report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card