Lithium ion cell pair of 2 cell – 18650/2000 mAh

3.7V 2000mAh
Diameter 18mm, height 68mm
Weight 45grams
Maximum safe discharge current 4000mA (1C)
Maximum charging voltage 4.2V (Do not overcharge the cell, it may explode or be internally damaged.)
Maximum charging current 1000mA