At $44.99, Adjustment Quick DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black) is priced 27% above the Industrial & Scientific category average of $35.29 (ASIN B09BFCF13Y).
- Brand: Adjustment Quick
- Category: Industrial & Scientific
- Price: $44.99
- Rating: 4.6★ (11)
- ASIN: B09BFCF13Y
- Best for: 12v power supply
- Updated: Jul 18, 2026
Verified Data Available
DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black)
Brand: Adjustment Quick
Perfect For
Market Intelligence
Squatio tracks this listing against the keyword “12v power supply”. Search intent is commercial investigation: users are actively comparing products before a purchase decision. Sellers ranking here benefit from high consideration-stage traffic.
Product Specifications
- High-precision Encoder Knob: Different from general knobs, this DC power supply has a precise encoder knob. You can press the knob to switch each digit, and then turn the knob to customize each digit in the range of 0-9. Set the voltage or current you want more accurately.
- Output Enable/Disable Button: In the process of using the bench power supply, Output button can prevent us from forgetting to turn off the output and causing damage to the load. Just press this button to turn on or turn off the output of the power supply. This makes it more convenient for you to use the variable power supply.
- Overcurrent Protection: When the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage.
- Precise 4-digit LED Display: The dc power supply is equipped with a high-definition 4-digit display with data accurate to 0.01 V and 0.001 A. It has constant voltage (C.V.) and constant current (C.C.) modes, which can be switched automatically. You can see the working status indicator on the display. Additionally, you can adjust the brightness of the screen according to your needs.
- USB Fast Charging Port: The variable power supply is configured with an 18W fast charging port. No more mplaining about mobile phones or repaired devices not being charged in time. The NANKADF dc power supply allows you to avoid this dilemma. It charges your devices quickly anytime, anywhere.
- Compact and Lightweight: The measures of the variable dc power supply is only 7.51 x 3.56 x 5.81 inch and the weight is only 2.47 pounds, which saves more space on your workbench and is convenient for you to carry when you need it.
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Reference rates as of Jul 19, 2026, based on Amazon's published 2026 US referral-fee and FBA-fulfillment-fee schedule. Amazon updates fees periodically — verify current rates at Seller Central before making pricing decisions.
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Price & Best Seller Rank History
Squatio's own tracking for this listing, recorded since May 15, 2026. Only dates where a value actually changed are listed.
Price history
▼ 10.0% lower than the oldest price we recorded ($49.99)
| Date | Price |
|---|---|
| Jul 28, 2026 | $44.99 |
| Jun 19, 2026 | $47.49 |
| May 15, 2026 | $49.99 |
3 price changes recorded.
Best Seller Rank history
| Date | Rank |
|---|---|
| May 15, 2026 | #3,600 |
Rank has not changed since tracking began. Lower is better. Amazon reports this rank within Lab & Scientific Products > Lab Instruments & Equipment > Power Supplies.
Last checked Aug 18, 2026 3:34am
Frequently Asked Questions
Common questions about DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black)
DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black) by Adjustment Quick is available on Amazon at an approximate price of $44.99. You can also compare prices across other retail platforms. Squatio tracks this listing in real time — sign up to see live pricing history and BSR fluctuations.
Based on 11 verified Amazon reviews, DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black) has an excellent average rating of 4.6 out of 5 stars. Products with this level of review depth generally indicate reliable real-world performance. Squatio's full analytics dashboard lets you dig into review trends, return rates, and competitor comparisons.
The primary tracked keyword for this listing is “12v power supply”. Squatio's keyword intelligence tool surfaces related and long-tail variants, allowing sellers to target lower-competition terms with high buyer intent.
Squatio's research database tracks Adjustment Quick listings and competing products across the entire Industrial & Scientific category on Amazon. Full access lets you compare BSR rankings, pricing trends, review velocity, and keyword overlap to identify exactly where DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black) sits within the competitive landscape.
According to the Amazon listing, DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black) includes High-precision Encoder Knob: Different from general knobs, this DC power supply has a precise encoder knob. You can press the knob to switch each digit, and then turn the knob to customize each digit in the range of 0-9. Set the voltage or current you want more accurately., Output Enable/Disable Button: In the process of using the bench power supply, Output button can prevent us from forgetting to turn off the output and causing damage to the load. Just press this button to turn on or turn off the output of the power supply. This makes it more convenient for you to use the variable power supply., and 4 additional specification items. See the Product Specifications section above for the full list.
The Amazon Standard Identification Number (ASIN) for this product is B09BFCF13Y. You can use this ASIN with Squatio's ASIN Lookup tool to access full sales data, keyword rankings, and competitor pricing history.
Squatio is an Amazon product research platform that tracks pricing trends, Best Seller Rank (BSR), estimated monthly search volume, keyword intent, and competitive data across millions of listings. For products like DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black), Squatio gives sellers the intelligence to identify market timing, set competitive prices, and discover keyword gaps before competitors do.
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