FrSky NFC Switch (New Version)The FrSky NFC Power Switch is a convenient tool that can safely connect and disconnect the power supply while keeping the battery connected. This kit is composed of an NFC switch and a Power I O board that supports connecting 2S to 6S batteries and capable of running 20Amp continuous current and Max 30Amp. Quickly combine all parts together, now you can simply utilize the NFC key to access the power! Utilized the safe and contactless NFC switch