Dual H-Bridge Motor Driver - L298N

Please, i bought this board GeekOnfire.com is for sale | HugeDomains and I'm not getting have more then 5v on the motor output, it is possible with this board?
Of course i place a 7,4v battery exclusive for the board and another for arduino board.

Please, if anyone can help me i will be grateful.
thanks
Jo

According to the L298N datasheet: GeekOnfire.com is for sale | HugeDomains

Typical voltage drop is about 1.80V and at 1amp voltage drop is 3.2V.

It sounds like your board is working normally.