Dynamite Reaction 7.4V 4000mAh 2S 30C LiPo Hard Case: TRA Battery Made by Dynamite; Dynamite is a United States based company; parts are sourced from Global producers Dynamite part number 9003T; UPC 605482093788 This item works with: Traxxas 1/8 Funny Car Eliminator Dragster, 4-tec Electric , Bandit Electric, Boat: Spartan , E-Maxx, E-Maxx 3903 Brushed, E-Maxx 3908 Brushless, E-Revo 5603 5605 5608 , Rustler VXL Velineon Brushless, Rustler XL-5, Slash 2WD all versions, Slash 4x4 all versions, Stampede 4x4 VXL, Stampede Electric, Stampede VXL, Stampede XL-5, Summit , XO-1