Originally Posted by grampi
I'll need a charger that can charge several at a time...any suggestions?
I have this one and have been very happy with it. It's only 3A, but that's enough to charge six 500mah batteries at 1C.
Then you'd need the parallel harness like this:
Of course, the power comes from a car-type battery. To charge indoors you'd need a power supply like this: