A Guide to Traxxas' Batteries and Chargers — Roger's Hobby Center
MaxAmps LiPo Batteries for Traxxas – MaxAmps Lithium Batteries
750mAh 7.4V 2-Cell 20C LiPo Battery | Traxxas
Traxxas 7.2V 1200mAh NiMH Battery with iD Plug
Biggest batteries I've found to fit in the stock XRT battery tray are these HRB 9500mah 4s 120c packs. The Lectron pro 5200's the hobby sold me are way too small. These
Amazon.com: Traxxas Series 5 5000mAh NIMH 7-C Flat 8.4V Battery : Toys & Games
Amazon.com: Traxxas Slash 2WD On-Board Audio 3000 mAh NiMH 8.4V iD Battery/4 AMP CAR Charger : Toys & Games