RE: take to the field?
This is the quick charger I have.
I have no complaints
[link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXCTZ5&P=ML]Hobbico MKII[/link]
In addition to what Righty said, I always take thin and medium CA and Kicker. Clear packing tape. Its amazing how these items can prolong your flying day significantly. Specially for knocked of landing gears and patching small rips from a rough landing.
-electric fuel pump or hand fuel pump
-extra fuel tubing
-exacto knife
-allen wrenches
-needle nosed and regular pliers
-hemostats if you can get some
-Extra nylon bolts