Futaba HBC-3B4 Transmitter/Receiver Battery AC Wall Charger FUT01102208-1
Note : The polarity of the transmitter plug is for Futaba transmitters. It will NOT work with JR/Spektrum radios which use a different polarity. Transmitter Output : 6.0V DC 170mA (works with 4-cell NiMH/Nicad batteries).