Schmoburger Posted August 4, 2013 Report Share Posted August 4, 2013 I've got 3 IIgs's and the Limited Edition one has the battery on pigtails under the PSU, the other two have em in a different location in a plastic holder. And of the SE's, my old dual-drive SE and my current SE Superdrive had the soldered-on pigtail batteries too, but dad's SE FDHD had a removable Tadiran battery dated 88. Quote Link to post Share on other sites
volvo242gt Posted August 4, 2013 Report Share Posted August 4, 2013 and the II series had to have good batteries to turn the PS on? if i remember correctly... Yep. The II, IIx, and IIfx use two batteries, one for the softpower circuit, and one for the PRAM. I've got 3 IIgs's and the Limited Edition one has the battery on pigtails under the PSU, the other two have em in a different location in a plastic holder. And of the SE's, my old dual-drive SE and my current SE Superdrive had the soldered-on pigtail batteries too, but dad's SE FDHD had a removable Tadiran battery dated 88. Sounds like the two with the plastic holders might be ROM 3 machines, or late ROM 01 machines. My old IIgs upgrade kit machine (ROM 01 version - board installed in June/July 1989) had the soldered Tadiran. Wonder if your SE Superdrive machine has an earlier board with the updated ROM chips. Both my original SE (a dual FDHD machine) and my current SE Superdrive had/have the removable batteries. -J Quote Link to post Share on other sites
NJRoadfan Posted August 4, 2013 Report Share Posted August 4, 2013 ROM 01 machines all have soldered on batteries and the ROM 3 has the holder. My ROM 01 still has its original VARTA brand battery holding a charge after 25 years. Quote Link to post Share on other sites
volvo242gt Posted August 5, 2013 Report Share Posted August 5, 2013 That's what I thought. Couldn't be certain, though. Yeah, one of my old 800K SE's was still trucking away, on its original Varta. Kept time, settings, everything. Was rather surprised. -J Quote Link to post Share on other sites
RedStripes Posted August 5, 2013 Report Share Posted August 5, 2013 What is your experience with the 'Saft' battery? Quote Link to post Share on other sites
uniserver Posted August 5, 2013 Report Share Posted August 5, 2013 still has its original VARTA brand battery holding a charge after 25 years. Yes I have also seen this, was very surprised still had its charge. Forget what machine it was in. Pretty sure it was a Macintosh SE. Quote Link to post Share on other sites
volvo242gt Posted August 5, 2013 Report Share Posted August 5, 2013 What is your experience with the 'Saft' battery? They seem to be what RE-PC here in Seattle sells. Last time I used the G4 DA, it seemed to be fine, time-wise. Battery was installed prior to my buying the machine in early 2009. Was a LS14250. -J Quote Link to post Share on other sites
Renegade Posted August 17, 2013 Report Share Posted August 17, 2013 My turn ... Scared by this thread, I decided to remove dead batteries from the most easily accessible in from my collection. I removed 12, only 1 leaked, guess what brand it was... It was in my PM 8100/80. Even the optical drive has signs of corrosion Funny, the exploded/leaked Maxell battery was the newest of the 3. It had an expiration date reading 1993, while the two other had 1989 and 1990. Those Sonnenschein Lithium batteries (the blue ones) seem to be reliable anyway. Quote Link to post Share on other sites
Renegade Posted August 24, 2013 Report Share Posted August 24, 2013 Another tragedy discovered today... Quadra 610 and 660av didn't make it The mess was still liquid in the Q610 : Funny though, another soldered Varta battery from a Mac II still showing some charge Quote Link to post Share on other sites
genie_mac Posted August 24, 2013 Report Share Posted August 24, 2013 That's a real shame! Hopefully you'll be able to use some bits as spares. Btw I believe the date printed on the batteries is the manufacturing date, not the expiry date. As far as I know expiry dates on batteries were only introduced recently. Quote Link to post Share on other sites
Renegade Posted August 27, 2013 Report Share Posted August 27, 2013 I believe there are good chances to save the Q610 mobo. Concerning Q660's mobo, well I decided to get one from eBay. Cost me US$ 81.20 with shipping and import taxes. D'oh!... Quote Link to post Share on other sites
uniserver Posted August 27, 2013 Report Share Posted August 27, 2013 did you wash out the 660av Quote Link to post Share on other sites
Renegade Posted August 28, 2013 Report Share Posted August 28, 2013 Yes. But at least 3 capacitors are missing and lots of PCB traces are damaged as well. Ram and CPU should be Ok though. Quote Link to post Share on other sites
techknight Posted August 29, 2013 Report Share Posted August 29, 2013 Well it looks like it has the Full 040, You could sell that and recoup a good chunk of money back. Quote Link to post Share on other sites
Unknown_K Posted August 29, 2013 Report Share Posted August 29, 2013 How many exploding batteries are a product of storing machines in extreme temperatures (both boiling and freezing)? Quote Link to post Share on other sites
techknight Posted August 29, 2013 Report Share Posted August 29, 2013 That we will never know! How many licks does it take to get to the center of a tootsie pop? NEver know. Quote Link to post Share on other sites
finkmac Posted August 29, 2013 Report Share Posted August 29, 2013 Found one of these things in my Yikes G3… Compared to the other brands, the Maxell one has a longer + Contact, and less battery… Could that somehow be the cause of these exploding batteries? Quote Link to post Share on other sites
James1095 Posted August 29, 2013 Report Share Posted August 29, 2013 I don't think storage conditions have much to do with it, though heat does speed up chemical reactions, so warmer conditions may speed it up a bit. Honestly I'm surprised so many of these cells *don't* leak after so many years. It's remarkable that one could go 20+ years without leaking the caustic stuff inside. Personally I would not leave a battery more than 5-6 years old in a system. 10 years is pushing your luck, longer than that is just tempting fate. If the machine will be stored for a long period, just be safe and pull the battery. It's not like there are a ton of settings that need to be restored. Quote Link to post Share on other sites
techknight Posted August 30, 2013 Report Share Posted August 30, 2013 I forgot about the D cell batteries I had in my flashlight, they are 4 years old, leaked solid so i had to toss the flashlight. lol. So its amazing anything doesnt leak at all after 20+ years. Quote Link to post Share on other sites
NJRoadfan Posted August 30, 2013 Report Share Posted August 30, 2013 I bought a stereo receiver off of ebay which still had the original batteries in the remote and in the receiver for memory backup. The unit was likely put into service in 1986-87. Batteries didn't leak and the remote still worked enough to turn the unit on/off! Quote Link to post Share on other sites
techknight Posted August 31, 2013 Report Share Posted August 31, 2013 wholy shit.... Quote Link to post Share on other sites
uniserver Posted August 31, 2013 Report Share Posted August 31, 2013 Un-Tempature regulated storage is what makes these batteries blow. In a home that is around 70 all year long, I highly doubt a battery will leak. Quote Link to post Share on other sites
Renegade Posted August 31, 2013 Report Share Posted August 31, 2013 most of my macs are stored in an attic where the temp can reach 35°C (91° F) during summer. Quote Link to post Share on other sites
Renegade Posted September 9, 2013 Report Share Posted September 9, 2013 The replacement board arrived today, but it was so poorly packaged that it was damaged during transport: A chip and a cap were floating around in the box : They come from the areas in the yellow and red circles. Great. Now I'm stuck with two damaged boards. Repairing is not an option since my soldering skill is... Zero. Sorry for being off topic, but I wanted to share this "experience". Quote Link to post Share on other sites
James1095 Posted September 9, 2013 Report Share Posted September 9, 2013 Those caps are shot anyway, you can see the leaked electrolyte, the corrosion is why those parts fell off in the first place, look at how black that solder looks. Even if it was well packed, it would still need to be repaired. Any board you find will need to be re-capped, so if you can't solder yourself, you'll have to have someone else re-cap the board for you. Those old SMT electrolytics just don't last very well, the old ones have all dried out or started leaking. This particular board looks like an easy fix, just clean it up, re-cap and solder that oscillator back on. Quote Link to post Share on other sites
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