Thanks for the feedback.

I have done some research (including reading the documentation that came with the lipo pack and also the one that came with the charger.) I havn't seen anything that specificly says how to rate your input amperage. i'm not sure how much power the charger itself uses.

Everything i've read says to use 13amp minimum for the DC power supply. my thought would be that your DC source should have a minimum amperage slightly larger than 1C of the pack. If is true, i need 12vdc at 1.5amp minimum in order to charge the 1230mah pack at 1A (just under 1C). I'm mostly wondering why everything i've read says to use 13A min if your Amp min would actualy be just higher than the mah of your pack.

i say slightly more becuase i don't know now much of a load the charger itself is, and exactly 1C input to 1C output might end up with the charger trying to charge at 1A when the input is dropped to slightly under 1A by the charger curcuitry. If lipo is as sensitive as i'm hearing, i wouldn't want to try to charge at a higher amperage than the input was providing.