A) NO. Most chargers are universal and work for up to 7 cells.If you need something else you might want to order online. I recommend buying a "smart charger". That way there is no chance of over charging or damaging the battery. B)The Source should have them if they sell RC Cars. They use basically the same batteries so they should use the same chargers. If not check out
www.aasurplus.ca they're located in Winnipeg I think.