CMOS battery replacement

Andrew Schenck andrew at
Fri Dec 11 20:26:54 UTC 2015

The secondhand GTA04 I have now is pretty beat up and can't charge 
because the USB port is disconnected.  I've been using a spare GTA02 as 
a charger, but every time I switch out batteries the clock resets to 
12/12/1999 16:00 and it's a pain to re-set it since network time doesn't 
work.  I couldn't find any information on the wiki about replacing the 
CMOS battery to solve this problem; has anyone here dealt with this same 
problem before and have recommendations?

I disassembled a GTA02 enough to see the battery, but it didn't yield to 
gentle pressure trying to slide out of its bracket and I don't want to 
destroy things too badly in my attempt to fix them so I didn't push too 
hard.  Because of this, I don't even know the exact type of button cell 
to buy to replace it.  Any help would be appreciated.


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