Note:  The price of $9.99 is for 1, 18650 Lithium Ion Battery.  The picture above is included to show the entire label of the battery

Features:

-             Version 2 S18650-P battery with significantly improved control circuit quality, overal capacity, durabiliy and safety.

-             Nominal voltage: 3.7V

-             Capacity: 2400mAh

-             Internal resistance: <60mohm

-             Cut-off voltage protection: 2. 7V

-             Charging voltage protection: 4.2V

-             Charging temp: 0 ~ 45 deg. Celsius

-             Discharging temp: -20 ~ 60 deg. Celsius

-             Storage temp: -20 ~ 60 deg. Celsius