... A 18650 cells 3.Weight:0.37kg 4.Dimension:38mm*38mm*132mm 5.One year warranty after ship 14.8V 4400mAh lithium ... 1, High energy density2, High working voltage for single battery cells3, Pollution-free4, Long cycle life5, No memory effect6, Capacity, resistance, ... We could provide the li-ion battery 18650 with the capacity of 1800mah to 2600mah. such s 1800mah, 2000mah, 2200mah, 2400mah, 2600mah etc. ...