Demon DF1600 Transmitter LiFe 3S 9.9V 1600mAh Flat shape
50 x 97 x 14mm thick (including wires sticking out).
Charge at 1 to 2 amps.
NOTE: You cannot use a normal wall charger which may have come with your transmitter to charge this pack while in your transmitter. You must use a LiFe charger set to 3S 9.9V to charge these packs.