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Re: HP8920B Controller Battery


 

Hi Robert

SAFT makes 3.0V lithium cells, can be had with wire ends to overcome any mounting problems.

George G6HIG Dover UK
On Monday, 19 December 2022, 01:07:49 GMT, Robert G8RPI via groups.io <robert8rpi@...> wrote:


I agree with BIll M with one exception.
The "battery" is a Lithium Primary Cell. It is a slightly odd chemistry, Panasonic BR2/3A 3.0V. They can be hard to find. More common 3.6V cells will work fine but there is a nasty "gotcha". The package has two pins on one end and one on the other but the polarity differs between chemistries / voltages! DOUBLE CHECK POLARITY before fitting a replacement cell. If incorrect you can snip one pin off and fit the cell at an angle. The BR2/3A has 2 pins on positive.

Robert G8RPI.

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