You may gain battle power points from each peice of equipment you are wearing.

Quality of equipment you are wearing:
4 battle power points for one piece of super gears you are wearing.
3 battle power points for one piece of elite gears you are wearing.
2 battle power points for one piece of unique gears you are wearing.
1 battle power point for one piece of refined gears you are wearing.

Sockets of equipment you are wearing:
One battle power point for each socket of the equipment you are wearing.

Super gems embeded in the equipment you are wearing:
One battle power point for each super gem embedded in the equipment you are wearing.

Bonus status of equipent you are wearing:
1 battle power point for each +1 gear you are wearing.
2 battle power points for each +2 gear you are wearing.
3 battle power points for each +3 gear you are wearing.
4 battle power points for each +4 gear you are wearing.
5 battle power points for each +5 gear you are wearing.
6 battle power points for each +6 gear you are wearing.
7 battle power points for each +7 gear you are wearing.
8 battle power points for each +8 gear you are wearing.
9 battle power points for each +9 gear you are wearing.

Side note: The left-handed weapon will not be counted. And you will gain double battle power points from those two-handed weapons, BackSwords and Bows.