Fits Futaba T6J and possibly some other Futaba TX's. Our battery is the same physical size but higher capacity than the recommended FUTM1473. Select Futaba J plug if you are purchasing for a T6J. According to Great Planes, you may need a new battery cover to upgrade from the AA battery holder to this battery pack. Quote: "To use the NiMH battery FUTM1473, you will need to purchase charger FUTM1832. Then call Futaba Services at 217-398-8970 option 2 and they will send you a battery door- HSP82469. If you already have a charger and need a charge lead they can sell you part number- HSP29615. (requires soldering on the correct charger plugs)".
Weight 171g, 6.03oz. Sanyo 4/5 "A" size cell. Individual Cell Internal Impedance 25.0Ω
Suggested charge rate non-peak detecting 215mAh or less, peak detecting 1075-4000mAh. 4 amps is the max charge rate through hobby pins.
 "Radical RC 2150mAh 4/5 \"A\" NIMH 6V 5-Cell TX Flat Pack")
