We have Thunder Power RC Pro Power 30C 3300mAh 11.1V 3 Cell LiPolymer 3s 3300 Lithium Battery with Product Detail Pro Power 30C 3300mAh 11.1V 3 Cell Lithium Polymer Battery With Wire Leads and Balance Connector Increased flight time (about twice that of comparable NiMH packs) Significantly decreased weight compared to NiMH or NiCd packs and no memory effect Smaller physical size to easily fit in your RC airplane, helicopter, truck, car or boat Suggested accessories are the Thunder Power 610C LiPo charger, Thunder Power 205V LiPo balancer . The "Thunder Power RC Pro Power 30C 3300mAh 11.1V 3 Cell LiPolymer 3s 3300 Lithium Battery" is best product for you. We recommended Thunder Power RC Pro Power 30C 3300mAh 11.1V 3 Cell LiPolymer 3s 3300 Lithium Battery