Finding the best usb dc 2.5*0.7 suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.
Reviews
1. 3vdc-12 volt Universal AC/DC Power Adapter USB Port | 8 Reversible Polarity Positive or Negative Tips Center Tip 3v 4.5v 5v 6v 7.5v 9v 12v 1a Transformer 5.5mm 2.5mm 2.1mm 3.5mm 4.0mm 5.0mm 1.7mm
Feature
Multi-Voltage 12 Watt (12w/1-amp) replacement switching power adapter supply compatible with 1000s of small electronic devices using requiring 3 volt, 4.5 volt, 5 volt, 6 volt, 9 volt, or 12 volt up to 1.0a or 12 watts including many Electronics, Tablets, Routers, Smart Phones, Speakers, Monitors, TVs, LCDs, Cameras & Other USB Port Charging up to 12watt 1000ma with US 120 volt PlugIncludes 8 Interchangeable DC Tips/Plugs of the most popular sizes: 5.5mm x 2.5mm / 5.5mm x 2.1mm / 5.0mm x 2.1mm / 3.5mm x 1.35mm / 4.0mm x 1.7mm/ 2.5mm / 3.5mm / 2.5mm x 0.7mm. Please make sure your device is one of these size jacks on it for proper fit and the standard center positive polarity. New Upgraded model comes with a USB port built in
NEW model now has REVERSIBLE DC Tip Polarization - Both Center/Inside/Middle Tip Positive (+) Outer/Outside Tip Negative (-) and Inside/Center Negative (-) Outer/Outside Positive (+) Can be Set by Removing Tip and Placing it in Opposite Position. This allows for maximum device compatibility as it can be set to operate in both center tip pos and center tip neg polarities. Please be sure to verify your device polarity, tip size and voltage before purchasing.
Voltage is easy to change by the switch on the side of the adapter. Be sure you're using the correct VOLTAGE & POLARITY for your device before plugging it in. If you are not sure please use the "Customer Questions & Answers" section below before purchasing and provide your product brand, model, and part number if available and we will try to help verify your device's power requirements.
UL 60950-1 Certified & ROHS Compliant | Input: 110v - 220v AC / Output: 3v - 12v DC - Maximum Current of up to 1a or 12 watts - If your device requires less power, such as 200ma, 300ma, 400ma, 500ma, 600ma, 750ma or any other up to 1000ma it will work with this adapter with a matching tip and proper voltage/polarization
Description
ProTechTrader Universal AC/DC Power Adapter with Multiple Voltage Output (3v-12v) Allows you to easily replace your old wall wort transformer, and allows you the flexibility to use it with multiple devices featuring 8 interchangeable DC tips, with compatibility for 1000s of small electronic devices it can save you a lot of headaches finding the correct plug. New upgraded model includes a USB port built in to the base for convenient charging you Apple iPhone, iPad, Samsung Galaxy Smart Phones, and other Android smartphones & tablets utilizing the industry standard 5 volt USB charging ports along with reversible tip polarity. Both Center/Inside Positive (+) Outer/Outside Negative (-) and Center/Inside Negative (-) Outer/Outside Positive (+) Can be Set by Removing Tip and Placing it in Opposite Position. It is important you first verify your device's power requirements match the possible voltages available and plugs included with this item before purchasing. All electronics will not be compatible. If you are uncertain make sure you ask first before purchasing. . UL 60950-1 Certified ROHS Compliant Input: 110v - 220v AC Output: 3v - 12v DC Max Current: 1 amp Polarity: Center Positive or Center Negative - BE SURE TO INSTALL TIP CORRECTLY MATCHING POLARITY ON YOUR DEVICE. Included Tip Sizes: 2.5MM (Micro Headphone/Phono Style) 3.5MM (Mini Headphone/Phono Style) 2.5mm*0.7mm 3.5mm*1.35mm 4.0mm*1.7mm 5.0mm*2.1mm 5.5mm*2.1mm 5.5mm*2.5mm Please Note: It is important to verify the tip size and power requirements for your device. If you are not sure please contact us with your product brand & model help.2. Onite 4pcs DC Plugs Small Electronics and Devices Universal 5.5x2.1mm Jack to Plugs 4.0x1.7mm, 3.5x1.35mm, 3.0x1.0mm, 2.5x0.7mm, 1pcs USB to DC 5.5x2.1mm Cable (4+1)
Feature
PLEASE NOTE: The size are listed in the products description below clearly, we suggest you to measure your DC interface size of your laptop or device, and make sure what size you want.These DC connectors are used for laptop repairing, parts replacement, external power source or on-board transformer. We are not responsible for wrong purchase by yourself, but we provide free return and purchase guide.
Handy connector works good for multiple applications: power your mobile devices from an external battery pack, making a battery box as a prepare thing, repair the different size of DC interface devices, replacement for laptop / notebook / tablet / mobile phone's power adapter parts.
Pros: Tips for conceivably most of DC powered device you can imagine; Works well with USB car chargers that can deliver enough amps.
PACKAGE CONTENTS: 4x different size of DC tips/connectors/plugs/jacks(please refer to the clear parameter and size in the below description: 4.0*1.7mm, 3.5*1.35mm, 3.0*1.0mm, 2.5*0.7mm), 1x USB to DC 5.5x2.1mm power cord
Description
Description: Female 5.5x2.1mm to Male 4 different size DC Connectors:1: 4.0*1.7mm
2: 3.5*1.35mm
3: 3.0*1.0mm
4: 2.5*0.7mm
1x USB to DC 5.5*2.1mm Power Cable
3. Duttek USB 2.0 A Male to DC 2.5mm x 0.7mm 5 Volt DC Barrel Jack Power Cable for USB to DC 2.5 x 0.7mm Cable Cord Black (DC 2.5mm x 0.7mm)
Feature
For small electronics and devices which use a 2.5mm barrel jack for a power cableType A Male USB plug to 2.5mm (outer), 0.7mm (inner) male coaxial/ barrel plug with positive center pin
Applicable for charging your electric devices via USB port from DC and car charger
Safe & Reliable, with built-in upgraded intelligent IC circuit
Legth: 3.3feet /1m
4. TOTOT 2 PACK USB to 2.5 mm/0.7 mm 5V 3A DC Barrel Jack Power Cables
Feature
Provides 5V DC From USB, Power Devices From a USB to 2.5mm x 0.7mm DC portFor Small Electronics and Devices Which Use a 2.5mm DC Barrel Jack For a Power Cable
Cable Length: 1M (App. 3 FT)
Description
Package:1 x USB to 2.5 mm/0.7 mm DC Power Cable with Normal Plug
1 x USB to 2.5 mm/0.7 mm DC Power Cable with Angle Plug
5. SN-RIGGOR 3-Pack 3.3ft USB to DC 2.5 x 0.7mm Power Jack Charging Cable DC Barrel Jack Power Cable usb to 2.5mm x 0.7mm barrel power adapter dc to usb converter usb to dc power cable usb to DC
Feature
3 Peces In Package. 3.3ft long. 2.5X0.7MMAdapt your USB port with this cable so you can power small devices and electronics which use a DC barrel jack for a power cable.
For small electronics and devices which use a 2.5mm barrel jack for a power cable
USB 1.0, 1.1 and 2.0 compatible
Suitable for any tablet PC with 2.5/0.7mm, outer diameter 2.5mm (inner diameter 0.7mm) DC-in jack
Description
Package Includes: 3 x CableDeconn USB to 2.5 mm/0.7mm DC Barrel Jack Power Cable
Future
Charge Your 5V DC Devices From Your Computer Through A USB Port
The USB to Type N (5.5mm) Power Cable enables you to power an external 5V DC device,
using an available USB port on your desktop or laptop computer.
Perfect Solution For Mobile Applications The USB to DC Plug cable is a perfect solution for mobile applications, eliminating the need to pack a wall adapter for charging
6. Onite 2 Pack of USB to DC 2.5x0.7mm Plugs Power Cord for Tablet, SCM Development, Electronic Dog, Access Control Attendance (6.6ft/2m)
Feature
Adapt your USB port with this cable so you can power small devices and electronics which use a DC barrel jack for a power cable.Type A Male USB plug to 2.5mm (outer), 0.7mm (inner) male coaxial/ barrel plug with positive center pin
Applicable for charging your electric devices via USB port from PC and car charger.
Package Contents: 2x 2M USB A Male to 5V DC 2.5*0.7mm Barrel Connector Power Cable.
Provides 5V DC from USB port.
Description
DC Male to USB Type-A Male Power Adapter 2MUSB Type-A male to male barrel connector
Power devices from a USB port
Charge electronic devices via the USB port of your PC or USB charger
Suitable for electronic devices with barrel jack
Specification:
Color: Black
Cable length: 200cm
Compatible with:
For Electronic devices such as loudspeaker, USB electric fan, etc. with barrel jack
Package included:
2 x DC Male to USB Type-A Male Power Adapter Cable 2m
7. Onite 2 Pack of USB to DC 2.5x0.7mm Plugs Power Cord for Tablet, SCM Development, Electronic Dog, Access Control Attendance (3.3ft/1m)
Feature
Adapt your USB port with this cable so you can power small devices and electronics which use a DC barrel jack for a power cable.Type A Male USB plug to 2.5mm (outer), 0.7mm (inner) male coaxial/ barrel plug with positive center pin
Applicable for charging your electric devices via USB port from PC and car charger.
Package Contents: 2x 1M USB A Male to 5V DC 2.5*0.7mm Barrel Connector Power Cable.
Provides 5V DC from USB port.
Description
DC Male to USB Type-A Male Power Adapter 1MUSB Type-A male to male barrel connector
Power devices from a USB port
Charge electronic devices via the USB port of your PC or USB charger
Suitable for electronic devices with barrel jack
Specification:
Color: Black
Cable length: 100cm
Compatible with:
For Electronic devices such as loudspeaker, USB electric fan, etc. with barrel jack
Package included:
2 x DC Male to USB Type-A Male Power Adapter Cable 1m
8. REARMASTER DC5V to DC12V USB to DC Power Cable 1 Meter/3.28 FT with Adaptor DC 5.5mm x 2.1mm/DC 2.5mm x 0.7mm/DC 3.5mm x 1.35mm
Feature
The USB to DC step up cable can convert power from 5V to 12V.Built in Switch, easy to control on and off.
The cable is designed to provide power for small electronics devices, we recommend input:5V/2A for best output performance. Max output current is 0.8A (12V).
1 Meter/3.28 Ft length, all pure copper wire for more stable transmission.
DC Connector: DC 5.5mm x 2.1mm, 2 DC Converter: 1*DC 2.5mm x 0.7mm,1*DC 3.5mm x 1.35mm.
Description
Content:1* USB to DC Cable(1 Meter/3.28 FT)
1* DC Converter 2.5mm x 0.7mm
1* DC Converter 3.5mm x 1.35mm
9. MonkeyJack USB to DC 2.5x0.7mm Plugs Power Cord for Tablet, SCM Development, Electronic Dog, Access Control Attendance (3.3ft/1m)
Feature
Adapt your USB port with this cable so you can power small devices and electronics which use a DC barrel jack for a power cable.Provides 5V DC from USB port. About 1m
Type A Male USB plug to 2.5mm (outer), 0.7mm (inner) male coaxial/ barrel plug with positive center pin
Applicable for charging your electric devices via USB port from PC and car charger.
Description
Description:
- Adapt your USB port with this cable so you can power small devices and electronics which use a DC barrel jack for a power cable.
- Provides 5V DC from USB port. About 1m
- Type A Male USB plug to 2.5mm (outer), 0.7mm (inner) male coaxial/ barrel plug with positive center pin
- Applicable for charging your electric devices via USB port from PC and car charger.
Package Includes:
1 Piece USB A Male to 5V DC 2.5*0.7mm Connector Power Cable.
10. PK Power 2.5mmx0.7mm DC USB Power Cable Cord for Nextbook NXW10QC32G 10.1 Tablet
Feature
This is Cable ONLYPlease confirm the specifications and plug size before purchasing!If you can't make sure, pls feel free to contact us
100% Brand New, High Quality Power Cord/Charger( Non-OEM ) Same Day Shipping from USA! COMPATIBILITY: Please see full list of compatible models in the Product Description
MONEY BACK GUARANTEE - We are USA based Company that Wants your Repeat Business so, if You Do Not Like our Product or Don't Want It For Any Reason, We Will Happily Accept The Return and Give You Your Money Back. No Questions Asked. 30 Days Money Back Guarantee
PK-Power products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) PK-Power AC adapters manufactured with the highest quality materials and include safeguard features against incorrect voltage, short circuit, internal overheating. 100% compatibility with the original.
Description
Package Content:1 x Charger
Service Information:
In terms of use, warranty and other product issues, please first send Email and contact with our customer service center.
For your own interests and safety, if there is any abnormal condition when using the product, please stop using it immediately and contact with our customer service center .
How to contact us?
You can contact us directly from Your Account. Locate the order and click the "Problem with this order?" button.
Then select the "Contact Seller" button to send us an e-mail message. We would be glad to solve any problem for you within 24 hours.
Your support to our business and your patience on the matter will be really appreciated.
Warranty:
30 Days Money Back Promised
60 Days Free Exchange With Paid Return Label
360 Days Anytime Worry-Free Warranty!
Bid With Confidence!!! Nobody Beats Our Customer Services!