keep runnin my lipos or get pro mach 4600

[revoratt]

i have 4 smc 5200 lipos that im runnin now but im lookin to get a little bit more power and some speed and was wondering would get the promach 4600 7cell packs be any more power over the lipos. and what about run time.im getting 35mins when i run nothing but second. if i crawl about 55mins

[scotthw]

you should keep your lipos those are better then an nimh and they are lighter so you will have a bit more speed then a nimh and your lipos have more run time then those nimh batterys