RE: Simple 6/7-cell field charger?
I would recommend the e-flite pinnacle charger. You can find it on Horizon's website. It can charge 1-14 cells at 200mah-5A. It also trickle charges, discharges, and shows your charging rate, mA put in, and voltage. It also comes with leads for receiver, trasmitter, JST, and Tamiya. I really like it because it is extremely easy to use. I first tried a Triton but like this much better. It can handle Nicads and NiMH.
chris