1.for ALCATEL OT303/OT301 2.Have factories for battery&PCB&package 3.4-day standby time 4.doubleIC,1-year guaratee Itemfor ALCATEL OT303/OT301 Compatible modelsOT301/OT302/OT303 Battery typeA grade Li-ion Standard Voltage 3.7V Capacity 750mah,1000mah,850mah PCB double ic,single ic,fake ic,according to your desired qualityWarrenty3-12 monthPackage400pcs/carton,31.5*20.5*15ctnMOQ100PCS/modelStandby ...