Question about Cobra Microtalk 100 FRS Walkie Talkie Radios 2 Pack

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Cobra pr 3850wx bought new NiMh 800mAh 1.2v rechargable batteries now the base charger lights won't come on when i put the radios in it

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The higher capacity batteries are fine (they'll just take longer to reach a full charge), the problem is that the original batteries have the negative contact extended as a band around the bottom of the battery. The charging tab at the bottom of the unit makes contact with the negative end of the first battery through a springy contact inside the battery compartment that touches this band. You don't have to buy expensive Cobra batteries. The easy fix is to wrap some aluminum foil around the bottom of the battery that touches the springy bottom side contact. Be sure the foil also covers the bottom end of the battery), or you could cut away the outer plastic battery cover (at the bottom) to expose the metal shell like this: http://www.walkie-talkie-radio.co.uk/replacing-cobra-walkie-talkie-rechargeable-batteries.html

Posted on Dec 18, 2013

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  • Master
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  • A Cobra 3850wx Radio requires 4x600mAh NiMH 1.2V AAA Part # GA-3ANH rechargeable batteries.
  • Not just any AAA rechargeable battery will charge in the unit.
  • All will work in the radio but not all will charge inside the radio. It has to be a specific battery.
  • This is an example of what you need. GA-3ANH batteries which will charge inside your radio. http://www.tomsawyer2wayradios.com/catalog/item/3823249/5076887.htm
Regards, Tony

Posted on May 23, 2011

  • Iron
    Iron May 23, 2011

    In short if you try to charge any battery in that radio but the specific one that is suppose to be used not only will it not charge but you risk fire.

    Regards,
    Tony

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