Product Name: Lithium Ion Battery Pack MP3 Player Battery 3.7V (1000mAh) Model NO.: PL 3.7V 1000mAh Rechargeable: Chargeable Installation: Fixed Electrolyte: Polymer Lithium Shape: Square Battery Discharge Rate: Low Discharge Rate Nominal Voltage: 3.7V Usage: Heated Socks Type: Lithium-Polymer Battery Wire Length: 150mm Wire Model No.: UL1007 AWG18 PCB: Sekio Connector: Jst Trademark: KBP Transport Package: Industrial Package Specification: CE. SGS. RoHS, UL, KC Origin: Shenzhen, Guangdong HS Code: 8506500000 Product Description Lithium Ion Battery Pack MP3 Player Battery 3.7V(1000mAh)SpeicificationNO.ItemSpecifications1Nominal capacity 1000mAh 0.2C DischargeMin capacity 950mAh 0.2C Discharge2Nominal voltage 3.7V3Charge current Standard Charge :0.2C4Standard Charging method0.5C CC(constant current)charge to 4.2V,then CV(constant voltage 4.2V)charge till charge current decline to ≤0.01C5Charging time Standard ChargingApprox4.5 hours6Max.discharge current Constant current 2C end voltage 3.0V7Standard Discharge CurrentConstant current 0.2 C end voltage 3.0V8Discharge cut-off voltage 3.0V9Charge cut-off Voltage 4.2V10Initial Impedance ≤80mW 11Weight Approx:90g12Operating temperature Charging:0ºC~45ºCDischarging:-20ºC~60ºC13Storage temperature -5ºC~35ºC14Storage Humidity ≤75% RH15Appearance Without scratch,distortion,contamination and leakage16Standard environmental conditionTemperature: 23±5ºCHumidity : 45-75%RHAtmospheric Pressure:86-106 KpaNote: The drawing is battery cell darwing , if u have wires , PCB/BMS,connectors, code/label requirements , Please let us know it , and we will make detailed datasheet and specified drawing as your request.Useage:Portable speaker,Muti car jump starter , power bank ,Auto cleaner,GPS tracking, Digital ADSL device ,Flashligting , emergency lighting , laptop , solar board, ups power ,smart phone ,wireless microphone, MP3,Walk man, Cordless Phone, Notebook, Video Camera, Digital Camera, Digital Products, Portable DVD,Mobile Communication, Blue tooth Headset, Electronic Toys,Game Player, Solar LED light, Emergency lighting , Power tools, E-bike, Medical Equipment,etc.Certification: UL , RoHS, CE, KC, UN38.3,MSDSCautions in useTo ensure proper use of the battery please read the manual carefully before using it. Handling· Do not expose to, dispose of the battery in fire.· Do not put the battery in a charger or equipment with wrong terminals connected.· Avoid shorting the battery· Avoid excessive physical shock or vibration.· Do not disassemble or deform the battery.· Do not immerse in water.· Do not use the battery mixed with other different make, type, or model batteries.· Keep out of the reach of children.Charge and discharge· Battery must be charged in appropriate charger only.· Never use a modified or damaged charger.· Do not leave battery in charger over 24 hours.Storage· Store the battery in a cool, dry and well-ventilated area.Disposal· Regulations vary for different countries. Dispose of in accordance with local regulations.