L
Lord Garth
Guest
<hboothe@gte.net> wrote in message
news:1110946896.988314.168770@o13g2000cwo.googlegroups.com...
Yeah, I have seen 1200mAH batteries too so 120mA is good .1C rate
to charge your batteries. Just keep that time limit in mind, 16 hrs max
or stop when the cell warms up.
news:1110946896.988314.168770@o13g2000cwo.googlegroups.com...
Good, now knock the voltage down to 2.8V and you are good to go!Um, Hello, my name is HC and I'm an Idiot. <sigh
If you hook up the LM317 just like the technotes document from National
says to, running Vin to 13.8 volts, and Out to the load, but you
MISPLACE the wire on the breadboard to the Adj pin, so that the
connection that is supposed to exist between the Adj pin and the load
does NOT exist, it runs basically straight 13.8 volts (Vin voltage) to
the load. :-/ I went to start on my constant voltage regulator and
was pulling wires off the breadboard and saw that I had missed placing
the Adj wire connection in the right row, it was one row off...and I
had not seen it. I hooked it up right and it's putting out 120 mA like
it should. Now the question is whether or not that'll burn that
battery out because 120 mA is more than it draws at idle...but at least
I'm now in the right range.
Sorry folks, sometimes I just screw stuff up.
--HC
Yeah, I have seen 1200mAH batteries too so 120mA is good .1C rate
to charge your batteries. Just keep that time limit in mind, 16 hrs max
or stop when the cell warms up.