Just made my slash 4x4 4s capable and my MAXX is now 6s capable I am super satisfied with these upgrades much more power and more power is more fun! : r/Traxxas
Traxxas SLASH 4x4 21/50 Lipo 4S Mamba Max Pro SCT - YouTube
Traxxas Slash 4x4 4WD Electric Short Course Truck - Orange for sale online | eBay
The Top Ten Products of 2020 — Roger's Hobby Center
Amazon.com: HOOVO 4S Lipo Battery 14.8V 5200mAh 120C RC Car Battery Hard Case with TR Plug Compatible for 1/8 and 1/10 Scale RC Car RC Buggy Truggy Truck Slash 4X4 Crawler Monster
Traxxas Slash 4x4 Ultimate LiPo Brushless Truck
Traxxas Slash 4x4 1/10 Short Course RTR TQ - LED - with Battery & Charger | EuroRC.com