What type of battery does AK series use? How to install the batteries?

How to charge the batteries? Can I charge them from the USB port?

Is there any notes for the batteries in usage and storage?

How long does the battery last on Ak series?

The load of AK series?

Is AK series compatible with other kinds of quick release plate?

What is Mechanical Endpoint Range of each axis?

Can I switch on gimbal without balancing it with camera installed?

How to balance AK series?

What is a properly balanced gimbal?

Gimbal is perfectly balanced but keeps vibrating and buzzing, what should I do?