Okay. Then this battery is working... which means it almost certainly is a replacement, since I can’t imagine a 32 year old NiCd holding a charge.
On Fri, Mar 13, 2020 at 10:06 AM B4 Me100 <[email protected]> wrote: > If I recall that is reasonable charge level, but with only ~200-400uA > drain it could stay there for quite a while. The standby current is > ~50uA @ 3.0V or ~100uA @ 5.5V for the 8Kx8 SRAMs. > > From: M100 <[email protected]> on behalf of Tom Wilson < > [email protected]> > Reply-To: <[email protected]> > Date: Friday, March 13, 2020 at 9:50 AM > To: <[email protected]> > Subject: Re: [M100] T-102 is here! > > > Yes, 4.3v sounds right for the charge voltage of a 3 cellNiCd pack. > > So now I’m confused by why or how that circuit is holding 4.2-4.3v with no > AAs in the holder. Are there a lot of caps in that circuit? > > I have a hard time believing that a 1987 era battery is holding a charge, > but I hat the AAs out for a while with the memory switch on, and the > voltage in that circuit never dropped. > > Should I put a small load on that circuit, maybe an LED with a 200 ohm > resistor? > > -- Tom Wilson [email protected] (619)940-6311 K6ABZ
