Apparently I have to have 10 posts before I can post pictures or urls... But I did plenty of research before I made my battery adapter to run the two 2 cells...the difference between parallel and sequence it's drilled into my little brain....and I also got to thinking if I was to hook a voltmeter to the batteries during full acceleration the volts probably drop down to almost nothing?....maybe?...I'm just guessing at this point ...thethe seems like it's going to take off really fast for about the first 5 ft and then planes out almost like I have throttle limiter..... I did test each battery individually on a rustler and they seemed quite underpowered at that time also...but the rustler had a brushed motor....so t could have been me