Propellers - Hubsan H507A X4 STAR PRO User Manual

1）Installing the battery: Push the battery into its
compartment as shown in the right-hand side figure.
Note the positive and negative polarities.
2）To charge the battery, connect the battery to the provided USB charger and connect the charger to
a PC terminal or an AC adapter (5V, 1A). The charger's USB adapter flashes red while charging and
turns solid when the battery is fully charged.
Please disconnect the battery from the charger
immediately afterwards. Full charging time is
around 120 minutes.
● Make sure the battery is fully charged before each flight.
● Please do not leave unattended while charging.
1-4 The Propellers
The X4 aircraft uses 5.3-inch propellers. Each is marked with either an A or a B.
Propeller B
Propeller A
Propeller A
Propeller B
4