I have two Vex 7.2 volt batteries and no 9.6 batteries. Is it possible to charge one or both of the 7.2 volt batteries on the Vex Battery Charger?
Which charger? Only the newer “Smart Chargers” are legal to charge batteries for competition use. If you have the discontinued fast charger, they can be used for 7.2v batteries, see here: Batteries & Chargers - VEX Robotics
Thanks for the link, I have the discontinued fast charger. I had tried on 7.2 battery in and got the flashing red light. I just tried with two in and got the steady red light - looks promising.