This is a page about the Gens ace shorty lipo pack series, from 4200mah to 5500mah, it's great for 1/10 buggy, F1, On road racing etc, such as XRAY XB2, XB4, tlr22, RC10B6, Yokomo Yz2, Yz4, Spyder SDX4 F110 etc. Gens ace 2s Shorty Lipo Battery Pack, 29# with 4.00mm bullet, and 59#with 5.0mm bullet, which is more fit for racing.
