... 2008. 2.18650 cell/battery 3.Weight:90g 4.Dimension:37mm*67mm 5.Application for electronic device 3.7V 4400mAh 18650 li ion battery pack specification ... Advantages:1, High energy density2, High working voltage for single battery cells3, Pollution-free4, Long cycle life5, No ... We could provide the li-ion battery 18650 with the capacity of 1800mah to 2600mah. such s 1800mah, 2000mah, 2200mah, 2400mah, ...