This rechargeable Lithium Ion Polymer Battery is a cylindrical 18650 cell that is typically used in everything from small flashlights to electric cars. The battery has a capacity of 2500mAh at 3.7V, the voltage can range from 4.2V when fully charged to 3.0V when completely discharged. This battery does not have built in protection circuitry, so extra care must be taken to not over charge or discharge the cell.
This battery does not come with any solder tabs, wires or connectors. You must use it with an 18650 cell holder.