4HR3U2700W : 4.8 volt 2700mAh AA rechargeable NiMH

4HR3U2700W : 4.8 volt 2700mAh rechargeable Ni-MH AA-size battery pack.  Made with HR-3U 2700mAh premium-quality Ni-MH cells.  High-capacity, high-performance, and low-mass.  Choose pack shape; choose Wire Leads or Connector (Futaba, Spektrum-JR-HiTEC-Z, old Airtronics).  Connectors are $ 3.00 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.