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  • Seven Star 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 12V DC, 500mA Regulated Universal AC to DC Converter with Multiple Connector Ends
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Seven Star 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 12V DC, 500mA Regulated Universal AC to DC Converter with Multiple Connector Ends

| 11 answered questions

List Price: $19.99
Price: $9.99 & FREE Shipping on orders over $35. Details
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  • Output voltages: 1.5, 3, 4.5, 6, 7.5, 9 or 12 volt DC
  • Up to 500mA
  • Seven Star Universal AC Adapter AC/DC AC Adapters & Power Cords
7 new from $7.99
$9.99 & FREE Shipping on orders over $35. Details In Stock. Sold by VIDEO CAMERA CENTER and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Seven Star 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 12V DC, 500mA Regulated Universal AC to DC Converter with Multiple Connector Ends + Velleman PSSMV1USA 3-12Vdc Switching Power Supply + Hosa Cable ACD477 Universal AC Power Supply
Price for all three: $35.07

Buy the selected items together


Technical Details

  • Brand Name: Seven Star
  • Model: SS104
  • Item Height: 3 inches
  • Item Length: 3 inches
  • Item Width: 3 inches

Product Details

  • Product Dimensions: 3 x 3 x 3 inches
  • Shipping Weight: 8.8 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B005IDTH76
  • Item model number: SS104
  • Average Customer Review: 3.4 out of 5 stars  See all reviews (117 customer reviews)
  • Date first available at Amazon.com: October 2, 2006

Product Description

Seven Star Universal AC Adapter AC/DC AC Adapters & Power Cords

Customer Questions & Answers

Customer Reviews

Have to fiddle with controls until power flows.
michael powers
No matter which voltage I selected, the output was usually about 10-12 volts higher than it was supposed to be.
T. Chang
The only reason for not giving a FIVE Star is due to not having individual connectors.
Ken Batson

Most Helpful Customer Reviews

32 of 34 people found the following review helpful By AudiophileHeadCase on November 4, 2012
Verified Purchase
Another cheaply made universal power supply from China. It's getting almost impossible to find a regulated universal power supply that is well made and not a possible fire hazard! Most of the power supplies of late coming from China have been of very poor quality. I'm not impressed with this Chinese made adapter, either. This one appears to use a fairly heavy transformer inside and is a "linear" rather than a "switching" supply. Some of the cheaply made "switching" power supplies from China are known to create huge amounts of digital noise when used with sensitive equipment like radios. They are improperly designed. This "linear" type power supply was quiet and produced no audible "buzz" from the speakers of my radio.

This AC-DC adapter -- made by a Chinese company called "Seven Star" -- had definite problems in the voltage regulation area. It is advertised on Amazon as being "regulated' which means it should have chips that adjust the voltage according to the electrical load to keep it at the proper voltage but I think this is not true. Nothing on the box says "regulated" and upon making some measurements with a digital multi-meter, I found that some of the voltage settings produced a higher voltage that specified and some voltage settings produced lower voltages than specified. Not a good sign for an AC adapter that is suppose to have precise voltage regulation. The 4.5V setting I needed for my radio actually produced close to 8V so I ended up using the 3V setting to get closer to the voltage I needed. At 3V it was producing 6V. Close enough. Glad I tested this cheap adapter before hooking it up to my expensive radio, though!
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22 of 23 people found the following review helpful By T. Chang on August 17, 2012
Verified Purchase
I was in need of an adapter that would produce 1.5V output. When I received this product, I was immediately a little leery since the voltage selector dial didn't have definite stops at each voltage, only an almost imperceptible click. When I turned the dial (with a small screwdriver), it was hard to be certain that I was at the 1.5V setting. It was easy to set the dial a little to either side without knowing it. So I thought I'd better measure the output voltage. No matter which voltage I selected, the output was usually about 10-12 volts higher than it was supposed to be. At the 1.5V setting, I got about 12V out. At the 12 V setting, I got about 22V out. This is a recipe for burning out whatever you're trying to power. I'm sending this back.
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11 of 11 people found the following review helpful By W.S. on April 19, 2012
Verified Purchase
I bought this product as a replacement power source for my trimmer's charger.
When I received it I checked that it fits the plug which it did and it was great, and that was the only upside.
The product has serious issues:
1- The packaging was damaged when the product was received from the vendor, and I don't mean the UPS packaging, but the box itself was torn and the key that turns the voltage selector knob was loose inside the bag
2- When trying to operate the product, I wanted to set the voltage to 3.5V I used the key to turn the knob which didn't click at any voltage and became very loose and turned indefinitely, I was too worried to plug it in my device and returned immediately

Bottom line, the product is badly built and I wouldn't recommend buying it
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9 of 10 people found the following review helpful By Stuart on March 4, 2013
Verified Purchase
Charger stopped working after less than 60 hours of non-continuous use. I do not recommend this product for any one.
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7 of 8 people found the following review helpful By Gonoan on February 2, 2012
Verified Purchase
I bought this item for a 7.5v 500ma usb hub. the connectors wouldn't fit and when one of them finally fit it wouldnt power the device. Sent it back for a refund.
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4 of 4 people found the following review helpful By Cindy L. Whitten on January 23, 2014
Verified Purchase
You can't really tell what setting it's on. I have a device that uses 1.5v and this until would not power the device at all. I would return it if I hadn't lost the box! It's completely useless.
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4 of 4 people found the following review helpful By Robin on January 27, 2013
Didn't work longer than a week. Very cheap. Don't buy! The cord frayed &
Stopped working. Disappointed for Christmas present for my son.
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2 of 2 people found the following review helpful By michael powers on January 7, 2014
Verified Purchase
Some times it works, some times not. Have to fiddle with controls until power flows.I question accuracy of volt contol, as everything I plug it into, heats up to dangerously hot.
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Seven Star 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 12V DC, 500mA Regulated Universal AC to DC Converter with Multiple Connector Ends
This item: Seven Star 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 12V DC, 500mA Regulated Universal AC to DC Converter with Multiple Connector Ends
Price: $19.99 $10.26
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