I have two brushed versions of the 1/16 rally. Both monster cameros. I have two stock traxxas batteries and I am waiting for the parallel connector to be shipped to me. Other than the connector is there any way to get better run time out of the brushed cars? I know they don't have low voltage detection on the xl2.5 so lipo is out. Any after market batteries? The only ones i stumbled on were off brand and I was unsure of them. Maybe a way to add low voltage detection? Its frustration because the run times of my other rc's are much better.