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more electronics than electrics - battery and charging question

psychicwarrior
this pic --> https://drive.google.com/file/d/1gunP4gFyIucj0ITstccf2D2szu3cw17O/view


is of parts of a radio that has a compartment for a rechargeable battery. 


From the pic and the pin voltages I measured (measurements not accurate I'm sure), is it possible to 'suggest' how the battery was wired/connected to the pins ?


It is a Genus Type-R DAB radio from yesteryear and the manufacturer no longer exists and getting hold of tech diagrams or info from other sources has proved fruitless.  The base plate states 7.2V battery pack.


Some companies have suggested they can put together a battery unit for me to fit, but they need to know how the leads need to be connected from the battery to the internal charging connector (4 pins)  and I cannot get from anywhere a manual, or a picture etc.


If it is possible to work out from the above picture etc, please let me know though I doubt without the manufacturer info it is likely possible (from what I've been told so far).  Additionally, I tried contacting one person who I found selling the radio, but they too had no battery to send a pic of.


Regards

Habs
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  • 0
    I’m assuming you are taking a purist approach and want to keep the radio in pristine unadulterated condition rather than butchering it to make it work.


    How are you actually determining those voltages without a functioning battery, have you connected the radio to the mains adapter are measured what voltage is presented at the pins?


    I still have my original DAB radio in my garage connected to a mains adapter, I bought it and ran it off removable rechargeable batteries, but it absolutely hammered them and running off batteries was not worthwhile, I never did really work out why the same batteries could run an AM/FM radio all day.


     Andy
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  • 0
    I’m assuming you are taking a purist approach and want to keep the radio in pristine unadulterated condition rather than butchering it to make it work.


    How are you actually determining those voltages without a functioning battery, have you connected the radio to the mains adapter are measured what voltage is presented at the pins?


    I still have my original DAB radio in my garage connected to a mains adapter, I bought it and ran it off removable rechargeable batteries, but it absolutely hammered them and running off batteries was not worthwhile, I never did really work out why the same batteries could run an AM/FM radio all day.


     Andy
Children
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