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PowerSafe receivers are not recommended for use with any of our systems. These types of receivers were never designed to be used with any power management units. We are compatible with all other JR and Spektrum recievers.
The Smart-Fly PowerExpanders provide full power to servos and clean power to receivers at an affordable price. The PowerExpander family can accept an input voltage of up to 8.5V. Your servo choice will determine the type of battery you can use with the PowerExpander since they do not regulate the servo voltage. The PowerExpanders do not have regulators for the servos, whatever comes in the power input conectors goes straight to the servos. All the PowerExpanders have a receiver regulator that takes power from the two power inputs, filters it and regulates it down to 5.0 volts so the receivers always see clean power regardless of what the servos do.