Single USB Power Bank case with circuit. This case holds one battery of 18650 no lithium ion, Standard battery for power banks. Colour of case may varry depending upon stock. 
Charging and discharging indication is also available. You just need to solder the battery with this circuit and glue the cap with the case(feviquick), Its ready to work.
 
Package Include- 
1 USB power bank case+ circuit
Battery is not include in this set.