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just.in.time

Black VARTA PRAM battery

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Battery in subject line is soldered to logic board of my SE. Still at 2.99 volts out of advertised 3 volts on label.

 

Cut it off or leave it attached? I'm leaving towards cut it off since it is so old.

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I'd leave it attached, those black vartas are cool, and are not prone to leaking, unlike some, um, red colored batteries. YMMV, but I think it would be cool to keep it attached, it still probably hold the PRAM info.

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Has anyone ever experienced a black VARTA leak? I know the red Maxell batteries are bombs, and the purple/green tardirans will rarely leak gently, but all of them are long dead in my experience.

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I have seen Vartas leak just as well as MaxellBombs, though I think Vartas are pretty solid.

 

YMMV, though. These are 20~ year old batteries so they could leak like any other battery.

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Got one confirmed kill from techknight. One is enough for me to clip it.

 

That said, well done to VARTA for making a battery that has been consistently been powering something since the 1980s! Think about that for a second. So much has changed in this world since 1988 and yet it continues to run the clock and maintain PRAM. Impressive.

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Okay, cool! I've always wanted a black Varta, never had one though. Would you mind selling me the one you clipped of the SE board? Weird request I know, don't feel obligated to honor it! lol

Edited by Themk

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Oddly I have 4 good Black Vartas, none bad. One's the black\gold variant and three the black\white ones. I still clip 'em just to be safe but I do still check them every now and then and they still seem to be holding their charge fine.

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I have a 29 year old Varta, made in West Germany, still keeping time in my SE.

 

How tough is it to solder in a battery holder? I like to keep working batteries in a few of my Macs and actually just bought a pile of them from a going out of business Radio Shack. I have a dead LC II board to pull a holder from (recapping couldn't save this one).

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I've got an SE with a Varta in it, still holds a charge... I've been considering buying a battery holder and just swapping it out (to reduce risk), but haven't gotten around to it yet.

 

techknight, what part # did you get from radioshack?

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