... :37mm*67mm 5.Application for electronic device 3.7V 4400mAh 18650 li ion battery pack specification Model No.TLH-520AhCell BrandChina ... overcurrent, anti-overload3.Compose Type : Injection Technology to make battery more stable4.Certifications : CE,UL,FCC, RoHS,ISO90015. Long ... provide the li-ion battery 18650 with the capacity of 1800mah to 2600mah. such s 1800mah, 2000mah, 2200mah, 2400mah, 2600mah ...