Specifications RX Ni-Cd/Ni-MH - 4~6 Cells (Delta Peak) TX Ni-Cd/Ni-MH - 4~8 Cells (Constant Current) AC Input - 110~240V RX Output Delta Peak (750mAh) RX Socket - fits both Futaba and JR 4~6 Cells Tx Output Fixed Constant Current (150mAh) Detachable Plug for both Futaba and JR / Spektrum 4~8 Cells