12V Battery Eliminator for UV-5R GMRS?

[WRXB215]

There are two battery eliminators on Amazon for the UV-5R:

7.4V

12V

Both descriptions indicate they are compatible with the UV-5R but my manual only indicates 7.4V.

Can I use the 12V with my UV-5R GMRS and if so, is there any advantage to it?

Thanks

[Borage257]

I think the 12v refers to the input voltage. 
 

I made my own as some of these eliminators don’t provide enough current for    transmitting. 
 

Check my post history, I think it’s in there somewhere.

[WRYS709]

I purchased from Amazon the one you linked as 7.4V just over 5 years ago to use my Baofeng Tri-Bander UV-5x3 in the shack with my 12 volt power supply and external antenna.

The difference in voltages: None.  It is 12v input and 7.4v output.

[WRXB215]

Thanks for the feedback. I also just noticed that they both say Model:BL-5. The $6.96 one is sold by Wirecom and the $9.99 one is sold by Abbree. I believe you are both correct, 12 in, 7.4 out. Just labeled different and cost different depending on who you buy from.