I got this one from a local hobby store and it works like a charm. Not too costly either. From dead it take 10-15 mins max. for a 9.6v
-Stores a charge in the charger itself so you dont need to plug it in. Also can be attached to a car battery to charge on the spot.
-Beep warnings when connected and when charge is complete.
-Shut off when charging is done.
-3 voltage settings