Picture 1 shows the two replacement Kenwood batteries that I purchased from ebay. Picture 2 shows the original clock battery fitted to my Kenwood radio. This battery retains the time, and alarm settings when the power is removed from the radio. Link showing a fluke 77 Digital Multi-meter identical to the one I have. Wikipedia article about de-soldering which shows a typical de-soldering pump (solder sucker) similar to the one I used. Picture 3 shows the resistor I attached to one end of the new battery extending the leads so they reach between the two battery terminal posts on my Kenwood radio. Picture 4 shows the new clock backup battery fitted to my Kenwood radio note the extended lead on the right hand side made from the leg of an old resistor I had lying around. Picture 5 shows the poor lighting and cramped working conditions I had to deal with.
Picture 1 shows the two replacement Kenwood batteries that I purchased from ebay. Picture 2 shows the original clock battery fitted to my Kenwood radio. This battery retains the time, and alarm settings when the power is removed from the radio. Link showing a fluke 77 Digital Multi-meter identical to the one I have. Wikipedia article about de-soldering which shows a typical de-soldering pump (solder sucker) similar to the one I used. Picture 3 shows the resistor I attached to one end of the new battery extending the leads so they reach between the two battery terminal posts on my Kenwood radio. Picture 4 shows the new clock backup battery fitted to my Kenwood radio note the extended lead on the right hand side made from the leg of an old resistor I had lying around. Picture 5 shows the poor lighting and cramped working conditions I had to deal with.