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Old 10 February 2020, 09:57   #1
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A4000CR (Rev D) coin battery replacement


I've got an A4000CR which has a CR2335 coin battery fitted from the factory.

Anyone with the same motherboard had any experience of replacing it? Maybe with a coin cell socket?

IIRC it comes from the factory without a coin cell holder instead it is soldered to the motherboard and cannot be replaced without soldering?

I seem to remember that the space on the motherboard should take a standard coin-cell battery holder?

Any feedback appreciated before I strip it down and get the soldering iron out.

Last edited by alexh; 10 February 2020 at 12:37. Reason: Wrong battery number
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Old 10 February 2020, 10:20   #2
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A "standard" coin cell holder won't fit, because there really is no standard. The distance between the pins of the holders vary from manufacturer to manufacturer.

There are, however, adapters that use a small PCB below the holder. That's the thing you should be looking for.
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Old 10 February 2020, 12:41   #3
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Thanks for the feedback.

I wonder if anyone has the A4000CR PCB layout files? Or has one available and can measure me the distance between the pins?

I'll be able to do it myself in a few days time but it would be nice to get a part ordered today.
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Old 11 February 2020, 17:55   #4
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I have an a4000 Rev D motherboard. The coil cell adapter from Amigakit fits fine. I replaced mine about 2-3 months ago.
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