ROAR Legal! Team selected 3736 Shorty 2s Pack. High voltage, high runtime and low internal resistance. Processed for high output. Expect over 5000 mah with killer voltage. Great for stock or modified. Also used in 2 pack configuration for lightweight 1/8th offroad setup. Makes 10 minutes easy! 95.5 x 46.5 x 25mm standard 2s shorty size. 4mm bullet connectors