Alright I have my 700 HO's installed and I notice a couple of things. I guess my biggest question is right now im using 7 cell 4200's and I get about 15 minutes of runtime which is not the problem the problem is from the time I give it wot to when I let off the lights go out. So im thinking I need to go to lipos but arent sure. I have always been a nitro guy so electronics arent my thing. Would lipo do much for me? I get 28mph out of it now so im not sure if liops would help the top speed as well. If the only thing lipo is going to do for me is give me more runtime then ill stick with what I got. I been looking at spc 7.4v 8000 mah/20/2s would thoes do anything for me other than more runtime? Thanks guys.