Spare Charger for the ProFlight D19 Drone With the spare charger for the D19 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 3hrs to charge upto 100% so if you have multiple batteries having a spare might just come in handy. Charge your batteries in 3hrs! . USB Plug in so able to charge anywhere . Once charged the drones boasts upto 15 minutes of flight time