Yup. Coin cells. CR2032 with legs. And good old fashion leaded solder...
Regards
Sid
-----Original Message-----
From: Maciej W. Rozycki via cctalk
Sent: Thursday, June 04, 2026 10:19 AM
To: Sid Jones via cctalk
Cc: Sid Jones ; Maciej W. Rozycki
Subject: [cctalk] Re: HN482764G EPROMS
On Thu, 4 Jun 2026, Sid Jones via cctalk wrote:
(Coin cell battery is soldered to the PCB and goes permanently flat in a
couple of days with no NiCad pack fitted... Found this out the hard way!)
Is that a coin battery indeed or a supercap? I have a bunch of devices
dating back to 1990s equipped with supercaps for short-term backup power
that look the same as a coin cell each.
Maciej
