16th May 2026, 07:58 AM
DROK 12V Power Supply, AC 110V 220V to DC 0-12V 40A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 6V 9V 12Volt Voltage Transformer 10A 20A 30A 40Amp Charger for Lab CCTV
Price may vary by location, shipping cost, and availability.
50% Off
$49.99
$99.99
Highest: $49.99
Average: $45.62
Lowest: $34.99
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of DROK 12V Power Supply, AC 110V 220V to DC 0-12V 40A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 6V 9V 12Volt Voltage Transformer 10A 20A 30A 40Amp Charger for Lab CCTV here. This product's current Price in USA is $49.99. The average and highest prices are $45.62 and $49.99 respectively.
| Lowest Ever Price | $34.99 |
|---|---|
| 15th Jul 2022 | |
| Average Price | $45.62 |
| Based on 1420 days price tracking | |
| Highest Price | $49.99 |
| 29th Feb 2024 | |
Price History of All Variants of DROK 12V Power Supply AC 110V 220V...
Current Price in USA
| Price | $49.99 |
|---|---|
| MRP | $99.99 |
| Savings | $50.00 |
| Discount | 50.00% |
Recent Price Drops on DROK 12V Power Supply, AC 110V 220V to DC 0-12V 40A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 6V 9V 12Volt Voltage Transformer 10A 20A 30A 40Amp Charger for Lab CCTV
Price Drop 23rd Mar 2026
$49.99 → $45.00
9.98% drop
Price Drop 13th Jan 2026
$49.99 → $45.00
9.98% drop
Price Drop 13th Nov 2025
$49.99 → $45.00
9.98% drop
Price Drop 30th Oct 2025
$49.99 → $45.00
9.98% drop
Price Drop 9th Oct 2025
$49.99 → $45.00
9.98% drop
Price Drop 17th Sep 2025
$49.99 → $45.00
9.98% drop
Price Drop 1st Sep 2025
$49.99 → $45.00
9.98% drop
Price Drop 15th Aug 2025
$49.99 → $45.00
9.98% drop
Price Drop 5th Jun 2025
$49.99 → $45.00
9.98% drop
Price Drop 8th May 2025
$49.99 → $45.00
9.98% drop
Price Drop 7th Mar 2025
$49.99 → $45.00
9.98% drop
Price Drop 10th Dec 2024
$49.99 → $43.50
12.98% drop
Price Drop 12th Nov 2024
$49.99 → $43.50
12.98% drop
Price Drop 3rd Sep 2024
$49.99 → $43.65
12.68% drop
Price Drop 30th Jul 2024
$49.99 → $43.50
12.98% drop
Price Drop 29th May 2024
$49.99 → $42.30
15.38% drop
Price Drop 27th Mar 2024
$49.99 → $45.00
9.98% drop
Price Drop 13th Oct 2023
$43.65 → $39.28
10.01% drop
Price Drop 25th Sep 2023
$44.99 → $40.50
9.98% drop
Price Drop 28th Aug 2023
$41.39 → $39.15
5.41% drop
Price Drop 15th Aug 2023
$41.39 → $37.26
9.98% drop
Price Drop 31st May 2023
$40.15 → $36.13
10.01% drop
Price Drop 26th Apr 2023
$45.99 → $41.39
10% drop
Price Drop 11th Apr 2023
$45.99 → $41.39
10% drop
Price Drop 16th Jan 2023
$41.39 → $37.25
10% drop
Price Drop 12th Oct 2022
$45.99 → $41.39
10% drop
Price Drop 14th Jul 2022
$45.99 → $34.99
23.92% drop
Product Information
Details
| Product Name | DROK 12V Power Supply, AC 110V 220V to DC 0-12V 40A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 6V 9V 12Volt Voltage Transformer 10A 20A 30A 40Amp Charger for Lab CCTV |
|---|---|
| Store Product Code | B0B18JVDGP |
| Store Name | amazon.com |
| Brand | DROK |
| Rating | 8.4 / 10 |
| Category | Power Converters |
| Product Manufacturer | DROK |
| Model Number | 20050 |
| Dimensions | 1.97"D x 4.53"W x 1.97"H |
Features
- Volt Adjustment Input Voltage can be 110V or 220V. Wide adjustable output Voltage range: DC 0-12V. This supply is suitable for 3V 5V 6V 9V 12Vdevices. The voltage precision is 0.1V. NoteThe maximum current is 40A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 40A and can not be regulated. It can be used to device of 5A 10A 20A 40A. Make sure to use the devices which is below 40A.
- Hareware This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise.
- Easy Operation This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter.
- Protection Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from damage. Note: the default input voltage is 220V, before using, please switching the input voltage to 110V/220V according to your city voltage.
- Wide Application This power supply has variable application. It can be used as a 2V 3V 5V 6V 12V 40Apower supply for RV, Car, Labtop, Computer, Lab, CCTV, etc. All of our item has 1 year long time warranty guarantee.
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Rating and Reviews
8.4 Based on 16 reviews
DROK 12V Power Supply AC 110V 220V has 8.4 rating out of 10. This average rating is consist of 16 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.