Description The PowerExpander Competition 12 can be used with any size aircraft.  It is primarily designed to work with the Futaba and JR 12-channel radios but any receiver with any number of channels can be used with the unit.  It supports an optional failsafe switch which enables or disables both batteries.  It can be used with 2-cell lithium packs if your servos can take the voltage.  It has a dedicated 5.0V, 1 amp regulator for the receiver.   The unit also boosts the servo control voltage to 5V for compatibility with all servos.  The unit also features a built-in Ignition Cutoff but is sold without the Cutoff Receiver and Fiber-optic cable for jet applications.     For any size plane     Up to 8.5V input depending on servo type     Builtin BatShare will isolate a bad battery or indicate a bad connection     Filtered and regulated 5.0V power to receiver     For any receiver with any number of channels     Twelve servo channels     LED indicators for servo and receiver power     Full RF filtering of all signals in and out of unit     Fully buffered signal line for each servo     Boosts servo control voltage to 5V     Long servo lead line matching     High-current Deans Ultra Plug power input connectors     Built-in Ignition Cutoff (sold without)     Optional Failsafe-switch operation     Light weight, 2.6 oz, 74g     Compact design, 4-1/2” x 3”