4HR3U2700W : 4.8 volt 2700mAh AA rechargeable NiMH battery for RC Choose Pack Shape:Twin stick (4x1.2x0.6) Re-charges with approved Li-PO systems

Re-charges with approved Li-PO systems such as YT-0006S

1 volt 2200mAh Li-PO battery pack for RC transmitters

and many others (see below)

although the part numbers are very similar)

4HR3U2700W : 4.8 volt 2700mAh AA rechargeable NiMH battery for RC Choose Pack Shape:Twin stick (4x1.2x0.6) Re-charges with approved Li-PO systems4HR3U2700W : 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