I have had revo2.5R for 4 years and yes lots of upgrades as the wife lets me LOL.. So I have been waiting for this truck, I am not getting for hualing butt around thats what i have my revo3.3 for,. I dont know much about batterys and eltc. I just know Nitro, So i would like about 20 to 30 mins in runtime if that can happen with out going broke,