.  Spare Charger for the ProFlight D15 drone With the spare charger for the D15 it allows you to charge multiple batteries at the same time to make sure your drone is always ready to go and help extend your flying experience The batteries can take upto 2.5hrs to charge upto 100% so if you have multiple batteries having a spare might just come in handy. Charge your batteries in 2.5hrs! . USB Plug in so able to charge anywhere . Once charged the drones boasts upto 17 minutes of flight time