Two of my battery's won't charge. I know it's not a problem with the charger because one of my battery's work with it. Any one know what's going on. : r/Traxxas
An Expert's Guide to Understanding LiPo Batteries — Roger's Hobby Center
FMA Direct on LinkedIn: Traxxas Battery Not Charging – Common Reasons and How to Fix It
Traxxas 2S battery side connector - R/C Tech Forums