This is the 2100mAh 11.1V LiPo Battery for the Flyzone Sensei Trainer. FEATURES: Made to fit the Sensei trainer INCLUDES: 2100mAh 11.1V LiPo Battery with SuperTigre Female Connector and Balancing Connector REQUIRES: Battery charger, GPMM3319 SPECS: Length: 4" (102mm) Width: 1.3" (34mm) Weight: 4.09oz (116g) Thickness: 0.94" (24mm) Discharge Rate: 20C COMMENTS: If using LiPo charger other than the one listed above, be sure not to charge at more than 2.1A max. jxs 09/07/11 ir/jxs updt jxs 10/02/12