Regulated 12V 500mA AC/DC Power Supply

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Quoting product code: MG81C


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About this product


  • Fixed voltage AC to DC adapter
  • Maximum current 500mA
  • Eight interchangeable tips

Product overview

• Fixed voltage AC to DC adapter
• Maximum current 500mA
• Eight interchangeable tips
• Lightweight, compact design

What can i use with this power supply?
Using a fixed system, this power supply has an output of 12 volts at 500mA, and can be used with a host of devices which support this voltage. This could be anything from radios, portable hand held game systems, digital cameras, mini handheld or portable televisions and telephones*. A range of eight different tip sizes are included and can be changed easily for an exact fit. The Power supply uses a stabilised output to ensure safe operation and features short circuit and overload protection. This 12V power supply is energy efficient and complies with CE, RoHS and REACH standards.

*it is highly recommended to check the voltage of device you wish to power before purchase.


Switched Mode Supply: Yes
Output Power (Max): 6W
Output Voltage Type: Fixed
Output Current: 500 mA
Input Voltage: AC 240 V, 50 Hz
Output Voltage: 12V
No of Tips/Sockets: 8
Output Tips/Socket Type:
2.35 x 0.7 x 10.5 mm 5.0 x 2.1 x 12 mm
4.0 x 1.7 x 9.5 mm 5.5 x 2.5 x 12 mm
4.75 x 1.7 x 9.5 mm 6.3 x 3.0 x 14 mm
Input Power Plug: UK 3 Pin Mains Plug
Polarity: Centre Positive
Reversible Polarity: Yes
Output Power Cord Length: 1.8 m
Weight: 82 g

I have a 12v. air compressor that runs of the cigarette lighter of the car.(Ring 12v 15amp 150w) Please let me know if I can buy an ac/dc adapter like the one you sell code L25AY. Thanks

Asked by: Surjit
On this occasion, Maplin does not stock a product that exactly meets your requirements, or indeed anything close enough to offer you as an alternative.
Answered by: Dominic
Date published: 2017-11-21

Hi could you help i have childrens electic quod bike i need a charger it say dc 8.3v 500ma would this chargerdo the job too charge the bike up thanks

Asked by: tommy
We would only advise using the dedicated charger for such items, not a universal power adapter.
Answered by: Dominic
Date published: 2017-07-28

The spec states 'centre positive' for polarity. Can the polarity be changed to give centre negative?

Asked by: JonC
Yes, the tips can be reversed for this purpose.
Answered by: Russell
Date published: 2017-05-05

J want to take one adapter but j'm from switzerland its possible to send out of UK?

Asked by: Jordsn
Unfortuently we are unable to ship to switzerland .
Answered by: Billy
Date published: 2017-04-12

Does this provide max current 500mA (as advertised), or 400mA (as shown on label)? - thanks

Asked by: Humphrey3000
This will provide a max current 500mA as advertised.
Answered by: Dominic
Date published: 2016-03-24

Hi, main description states it comes with 8 interchangeable tips, however the detail description and a previous answer to a question only lists 6 different tip sizes. Please confirm the other 2 tip sizes. Thanks

Asked by: InsiderMINI
The tip dimensions are as follows 2.35 x 0.7 x 10.5 mm 5.0 x 2.1 x 12mm 3.5 x 1.4 x 10 mm 5.5 x 2.1 x 12 mm 4.0 x 1.7 x 9.5 mm 5.5 x 2.5 x 12 mm 4.75 x 1.7 x 9.5 mm 6.3 x 3.0 x 14 mm
Answered by: Les
Date published: 2015-12-16

Can I charge a 12v ni-cd battery with this adapter?

Asked by: Mutt99
I am sorry but the item in question does not support use in your intended application.
Answered by: Brad
Date published: 2015-12-15

Does this include a socket that I can plug my Christmas lights into?

Asked by: Mark15
Unfortunately we are unable to guarantee full compatibility for this item in your intended application.
Answered by: Dominic
Date published: 2015-12-14
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