List: time-nuts@lists.febo.com
From: Jeremy Nichols
Re: [time-nuts] HP-105B Battery Replacement?
Thu, Sep 15, 2016 6:04 PM
.
> http://www.prc68.com/I/BatTst.shtml#Resistor
> The cells come in three configurations:
> 1. the raw flat top cell with optional tabs to allow easy soldering
> into a pack,
> 2. cell plus positive button cap which includes a Positive Temperature
> Coefficient (PTC) fuse and an over pressure vent,
> 3. fully protected, like 2, plus circuit that turns off