NC&reg; BRAND NEW 110V AC Charger For SYMA F3 RC Helicopter NC is a registered trademark. ONLY Authorized seller of NC can sell NC products under NC listings. NC BRAND NEW 110V AC Charger For SYMA F3 RC Helicopter Quicker & Safer charges the Batteries than the USB Cable, and shuts off when charing is completed. Also have indicating led light during & after charging is complete.