Send with a tracking number ! = Model (size) : 902360 = Li battery size : Thickness 9 mm x Width 23 mm x Length 60 mm (0.35 inch x 0.9 inch x 2.36 inch) = Nominal Voltage : 3.7V = Capacity : DC 3.7v 1000mAh 3.7Wh = Discharging rate : 1C = Cycle life : 800 cycles ,Stable performance with 100% be tested before shipping. = Built in PCB for charge, discharge and temperature protection. =. Each Cell weight : 20 g Retail package includes: 1 pcs 3.7v 1300 mAh Polymer Li lithium rechargeable battery packs 902360.