4HR3U2700W : 4.8 volt 2700mAh rechargeable Ni-MH AA-size battery pack. Provides superior performance in receiver or ignition applications. Made with HR-3U 2700mAh premium-quality Ni-MH cells.  High-capacity, high-performance, and low-mass.  Choose pack shape; choose Wire Leads or with Connector (Futaba, Spektrum-JR-HiTEC-Z, old Airtronics).  Connectors are extra $

NEW OPTION : Choose extra EC3 (blue) high-amp connector.  Highest-quality & highest-capacity AA-size battery pack.  Recommended chargers: YT-0006S, Ni-Charger, UP100AC, X4AC Pro.*

NEW OPTION: Pack shape "twin stick" 4" long, 1 1/8" across, 9/16" thick. Fits in Narrow fuselages or in nosecone.