[TriLUG] OT: battery charger voltages - using 18V charger on 16V system

[Joseph Mack]

I have an IBM thinkpad with a 9 cell (nominal 10.8V) Li-ion battery.
The charger is nominally 16.8V charger (measured 16.0V). 

(Anyone know why you charge a 10.8V battery with a 16V charger?
Surely the internal impedance of the charger can't be that high.)

I also have available a Toshiba charger with the same plugs, except that
it is a 18V charger (nominal and measured).

Does anyone know if you can use an 18V charger in place of a 16V charger?

Searches with google for battery/battery charger specs haven't been real
helpful. I did find 

http://www.bixnet.com/unpowbat.html

which has a dual voltage 19/16V charger which they say to set to either 16V
or 19V according to the system you're charging. They don't say that you'll blow
your system if you use 19V when charging a 16V system.

Thanks Joe
-- 
Joseph Mack PhD, High Performance Computing & Scientific Visualization
LMIT, Supporting the EPA Research Triangle Park, NC 919-541-0007
Federal Contact - John B. Smith 919-541-1087 - smith.johnb at epa.gov