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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
  • Former Community Member
    0 Former Community Member
    My old Roberts radio is very Eco/green. It runs for ages on a 9 VOLT PP9 battery


    I can't find the source now, but somewhere I read that the energy taken to make a battery is 50 times more than the battery will give out.


    Regards


    BOD
  • 0

    perspicacious:
    My old Roberts radio is very Eco/green. It runs for ages on a 9 VOLT PP9 battery


    I can't find the source now, but somewhere I read that the energy taken to make a battery is 50 times more than the battery will give out.


    Regards


    BOD


    But my battery lasts 200 times longer than those used with DAB radios.  Also the old "analogue" radios work in synchronisation if several are used at the same time around the house, unlike digital DAB radios that all process the signals at different rates and "clash" due to being out of synch. with each other.


    Z.




     

  • 0
    Sync? nice one Zoom.

    I first noticed this with TVs in different rooms two tellies on same station and walk from one room to t`other to catch what had just been said or just miss a word if walking other direction LOL. Made a good psuedo eco effect though - apart from quacking ducks
  • Former Community Member
    0 Former Community Member
    But my battery lasts 200 times longer than those used with DAB radios.


    The application/use isn't the point, it is your Green claim versus use of batteries or mains that is questionable.........


    Regards


    BOD
  • 0
    Concerning "sync", if you really really want to be accurate, for timing you have to listen to R4 on 198 kHz which, as I understand it, should arrive in London bang on. There is a slight delay on FM.
  • 0

    perspicacious:
    But my battery lasts 200 times longer than those used with DAB radios.


    The application/use isn't the point, it is your Green claim versus use of batteries or mains that is questionable.........


    Regards


    BOD




    Ah! But if you pop those zinc carbon batteries in the bottom oven of the Aga whilst you have your tea you can perk them up enough to extend your radio listening on into the evening.


    Andy.

  • 0
    you can recharge primary cells as well, so long as you keep an eye on the rising voltage and don't let them blow up.  Typically ten charges or so, before the re-plating is so irregular they leak. Nothing like as good as a proper rechargeable of course , but worth a punt if you have the kit.

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