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Belker 45W 5V 6V 7.5V 9V 12V 13.5V 15V Universal AC DC Power Supply Adapter for Household Electronics LED Light Strip - 1A 2A 3A 3000mA Amp - Fast USB Charging Port 5V 2A

4.5 4.5 out of 5 stars 1,445 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in AC Adapters by Belker

$15.90 with 20 percent savings
List Price: $19.90

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Extra Savings Save 5% on Belker 36w 3v to 12v Universal Power Supply 3000mA Max. when you purchase 1 or more Qualifying items offered by Belker Direct. 3 Applicable Promotion(s)
  • Save 5% on Belker 36w 3v to 12v Universal Power Supply 3000mA Max. when you purchase 1 or more Qualifying items offered by Belker Direct. Shop items
  • Save 5% on Belker 30w 3v to 12v Universal Power Adapter with 5V 2A USB Port when you purchase 1 or more Qualifying items offered by Belker Direct. Shop items
  • Save 5% on Belker 12w 3v to 12v Universal Power Supply 1000mA Max. when you purchase 1 or more Qualifying items offered by Belker Direct. Shop items
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About this item

  • This Power adapter output is 5V 6V 7.5V 9V 12V 13.5V 15V 3000mA 3A Max. 45W. Compatible with 5W 10W 12W 24W 30W 36W and more less than 45W power adapters.
  • The power supply is very durable and easy to operate. It is with multi safety protection and secure to use. Higher energy efficiency, friendly to the earth.
  • This universal AC adapter can apply to most appliances which the rating input voltage is from 5V to 15V and rating power is equal to or less than 45W.
  • Equipped with 8 premium adapter plugs[including a micro-USB plug], these different plugs are fit for many different small household electronics. It is an useful spare part for your various devices.
  • The polarity of DC plug is inner Positive(+), outer Negative(-). Polarity is irreversible, please check carefully before buying.

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
We don’t use a simple average to calculate the overall star rating and percentage breakdown by star. Our system gives more weight to certain factors—including how recent the review is and if the reviewer bought it on Amazon. Learn more
1,445 global ratings

Customers say

Customers like the performance, power, quality and value of the charging adapter. For example, they mention it works well, has a high current and an excellent output voltage range. Some appreciate the size and adapters. That said, they are happy with adjustability, and versatility.

AI-generated from the text of customer reviews

86 customers mention78 positive8 negative

Customers are satisfied with the performance of the charging adapter. They mention that it works well, is easy to use, and has the same great performance as the first one. Some say that it's useful and doesn't get hot.

"...The efficiency also has the best performance. It was the most stable out of the three tested setting." Read more

"...supply on my Klipsch Room Groove went belly up, and this replacement worked beautifully...." Read more

"Works perfect, as expected. Fast delivery" Read more

"Worked great, bought it for my old portable dvd player" Read more

27 customers mention27 positive0 negative

Customers are satisfied with the power of the charging adapter. They mention that it has a high current with a sub for charging phones, and the 5W fast charge USB port is great for their iPhone. The adapter has an excellent output voltage range, and a 3A output capacity that results in faster charging. It is a very good power source, and has wattage for projects with lots of motors, and plenty of power for most transistor radios.

"Shipped super fast, everything as described. Will happily buy from this seller again. Many Thanks" Read more

"The AC adapter is a pretty good value for the cost. The additional USB plug is a good plus...." Read more

"Quick delivery and helped me solve a problem." Read more

"Works perfect, as expected. Fast delivery" Read more

27 customers mention27 positive0 negative

Customers are satisfied with the quality of the charging adapter. They mention that it works well, has good construction, and is stable. Some appreciate the great service and product.

"Sturdy made" Read more

"...The efficiency also has the best performance. It was the most stable out of the three tested setting." Read more

"This is a high quality product. It is totally versatile, giving you the ability to power just about any peripheral...." Read more

"...I have purchased a second unit because of the solid quality and great performance of the first one." Read more

18 customers mention18 positive0 negative

Customers appreciate the value of the charging adapter. They say it's great for the money, versatile, and useful for collectors.

"The AC adapter is a pretty good value for the cost. The additional USB plug is a good plus...." Read more

"...little adapter was able to be adjusted to the specs I needed, it was cheaper, and smaller...." Read more

"...I bought two and now have an extra for that unexpected outage. A real value product." Read more

"This product is very useful for the collector who builds assorted villages with movable parts...." Read more

16 customers mention13 positive3 negative

Customers like the size of the adapter. For example, they mention it comes with an excellent selection of plugs and different sized adapters. That said, some say it has multiple terminals to cover most items and that the LED connector is fantastic.

"Has many options and can be used as a backup power supply for small devices." Read more

"And the amps too. Numerous adapters, numerous things to power. All is well in the power supply world with this little guy...." Read more

"...It comes equipped with an excellent selection of plugs...." Read more

"...Can't accidently set the wrong voltage. Plenty of adapters. Would purchase it again." Read more

13 customers mention13 positive0 negative

Customers are satisfied with the adjustability of the charging adapter. They mention that it provides a tool to adjust voltages, and it's able to adjust to how much power you'd like for whatever you're charging. Some appreciate the accurate adjustable voltage output, and mention that the adapter is versatile.

"...This little adapter was able to be adjusted to the specs I needed, it was cheaper, and smaller...." Read more

"Just as described. Very accurate adjustable voltage output." Read more

"...It plugs to different devices and the volts can be adjusted according to the devices needs.I like it...." Read more

"...to work at the same time, so I bought this since it is able to adjust to how much power you’d like for whatever you need it for." Read more

13 customers mention13 positive0 negative

Customers are satisfied with the versatility of the charging adapter. They mention that it gives them the ability to power just about any electronic. They appreciate that it works great and can be used for multiple devices. Customers also appreciate the multiple functionality and that the volts can be adjusted according to the devices.

"...so this works well and is versatile for any electronics with lost chargers...." Read more

"Seems to be a versatile product. I only needed it to power up a set of wireless headphones for use in my office and it works great...." Read more

"This is a high quality product. It is totally versatile, giving you the ability to power just about any peripheral...." Read more

"Works great, and you can use it for multiple devices- just adjust the output and/ or plug. I purchased it for a portable car battery jumper." Read more

7 customers mention7 positive0 negative

Customers appreciate the compactness of the charging adapter. They say it's convenient for storage, and works well as a stable power supply. Some mention that it fits perfectly as s portable DVD player.

"...was able to be adjusted to the specs I needed, it was cheaper, and smaller. As a bonus, the usb port on it doubles as an additional power source" Read more

"...I had an older 15v brick but it was huge - this is a convenient size for storage." Read more

"Portable DVD player" Read more

"...This unit is very compact and worked in my application very well." Read more

Good AC power supply, but OK performance on load regulation
4 Stars
Good AC power supply, but OK performance on load regulation
The AC adapter is a pretty good value for the cost. The additional USB plug is a good plus.One of the thing on about these cheap AC adapter is the poor load regulation. A good regulation is the output voltage does not increase or decrease as the load increase. Most AC adapter does not do that. With this in mind, the AC adapter was tested for load regulation on the 5V, 12V, and 15V setting.For the 5V setting, it would appear the AC adapter was designed to a +/-5% tolerance. Under the the load load condition, the output is 5.309V, a little higher than the 5.25V for 5% tolerance. Under the maximum 3A load, the output voltage is 4.775V, again, very close to the 5% tolerance. For the efficiency, overall, very good. It performed in the 80% tile. See the attached plots for the details.For the 12V setting, it performed a little better. For the no load condition, the output is 12.428V and under the 2A maximum load, the output is 12.11. This is about a 3.5% tolerance. As for the efficiency, the 80% tile is reached if the load is 400mA and greaterFor the 15V setting, this has the best performance. For the no load condition, the output is 15.289V and under the 2A maximum load, the output is 14.943, this is below the 3.5% tolerance of the 12V setting. The efficiency also has the best performance. It was the most stable out of the three tested setting.
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4.0 out of 5 stars Good AC power supply, but OK performance on load regulation
Reviewed in the United States on June 20, 2019
The AC adapter is a pretty good value for the cost. The additional USB plug is a good plus.

One of the thing on about these cheap AC adapter is the poor load regulation. A good regulation is the output voltage does not increase or decrease as the load increase. Most AC adapter does not do that. With this in mind, the AC adapter was tested for load regulation on the 5V, 12V, and 15V setting.

For the 5V setting, it would appear the AC adapter was designed to a +/-5% tolerance. Under the the load load condition, the output is 5.309V, a little higher than the 5.25V for 5% tolerance. Under the maximum 3A load, the output voltage is 4.775V, again, very close to the 5% tolerance. For the efficiency, overall, very good. It performed in the 80% tile. See the attached plots for the details.

For the 12V setting, it performed a little better. For the no load condition, the output is 12.428V and under the 2A maximum load, the output is 12.11. This is about a 3.5% tolerance. As for the efficiency, the 80% tile is reached if the load is 400mA and greater

For the 15V setting, this has the best performance. For the no load condition, the output is 15.289V and under the 2A maximum load, the output is 14.943, this is below the 3.5% tolerance of the 12V setting. The efficiency also has the best performance. It was the most stable out of the three tested setting.
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