This item is 100pcs XH 2.54mm Male Connector.

It compatible with: 

  --LED light controlling system, illuminator, speakers, monitors, household appliances, copiers, fax machines, medical equipment, electrothermal equipment, computers, electronic toys, batteries, circuit boards and other products.

  --Li-Poly Battery plug

These are common, inexpensive, and small, so you'll find them in many portable electronics as battery connections and board interconnects.