Another educational video from Evike.com in their Rail Space series as Matt discusses smart chargers for Nickel batteries such as NiCADs and NiMHs... "Welcome to the second episode of EvikeTV's - Rail Space! This particular series of videos focus on accessories for your Airsoft gun. Magazines, Scopes, Bi-pods, Vertical Grips, Stocks, ETC. If there are any accessories you are fond of and want us to review comment below.