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Power suppy advice

  • 09-04-2022 08:35PM
    #1
    riclad
    Registered Users, Registered Users 2 Posts: 8,184 ✭✭✭


    i bought a radio, mp3 player , it has a standard 2 pin ac slot .on the label it says power 3 watts, battery aa 4 1.5v batterys.

    on the side it says battery accumator on off,

    i think that means battery charger . on the box i says built in high capacity battery.

    i presume this can be charged by using 220v power cable.


    on the top it says Dc in 5 volt. is it safe to use a 5 volt 400ma power supply.


    whats the purpose of the 5v power supply. 5v 3 watts, eg do i need to use a 1amp 5volt charger.


    should i plug in my 5volt 400 ma power supply and see it it works.



    i think the 220v ac input is for charging the internal battery.

    i have no manual,

    on the box it says Meier M-u94 fm radio usb/sd, card player



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