Yes. The charger can be left plugged into the motor longer than a charging cycle requires. This makes the motor into a hardwired solution with a battery backup.
No. The motor/battery both have integrated overcharge protection circuits. This means that the battery will limit the charge it will accept if plugged in longer than necessary.
A red light comes on to indicate fast charging of the battery. After fast charge is done, the light turns green and the remaining 3 hour charge becomes a trickle charge, optimizing battery performance.
It takes approximately 6 hours to fully charge the battery on your shade.
No. The motor can be charged while installed. Simply plug in the charger to the connector at the motor head.