Cheap memory battery improvement...

Discussion in 'General Technical Questions and Answers' started by KC1KWX, Sep 8, 2020.

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  1. KC1KWX

    KC1KWX Ham Member QRZ Page

    A trick that I use for memory batteries is to remove the CMOS backup battery holder from a discarded PCs motherboard and solder leads to it. Leave the old computers memory battery in place while you solder. The battery acts as a heat sink and prevents the plastic holder from melting from the soldering heat. Solder the new holders leads (that you just added to the holder) to the radio. A bit of double sided tape can be used to keep the holder in place. Next, remove the old battery and load it with a fresh one. Using the PC battery holder means there is no heating the battery with spot welds or solder. (boo to soldering on a battery). The battery is now easily replaceable and the improvement cost was nearly nothing.

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