1.Cellphone battery of long service life,long standby and talking time. 2.High capacity 3.Grade A Li-ion battery cell 1) Good safety performance :Cell phone battery undergoes drop test, smash test and acupuncture test ensure no fire and explosion in these tests.2)Belongs to Series products of FB brand.3)Internal PCM to prevent over-charge, over-discharge & over current,more safeguard for using.4) ...