3.7V 820mAh Lithium Polymer Battery for Tablet PC / MID / PDA

Product Name:   3.7V 820mAh Lithium Polymer Battery for Tablet PC / MID / PDALi-polymer Battery Features:A. Low power consumption;B. Dual IC protection scheme can increase restorable PTC without short circuit spark.C. Very Safety and Good Reliability. D. Long cycle life and environmental protection;E. The product is in good discharge condition when used in special occasions.SpeicificationNO. ItemSpecifications1Nominal capacity          820mAh        0.2C Discharge Min  capacity             770mAh        0.2C Discharge 2Nominal 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 ≤0.01C 5Charging time              Standard Charging Approx4.5 hours 6Max.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       11 Weight                   Approx:90g12Operating temperature     Charging:0ºC~45ºCDischarging:-20ºC~60ºC13Storage temperature       -5ºC~35ºC14Storage Humidity        ≤75% RH15Appearance                Without scratch,distortion,contamination and leakage16Standard environmental condition Temperature: 23±5ºC Humidity :  45-75%RHAtmospheric Pressure:86-106 KpaLi-polymer Battery ApplicationPortable speaker, Muti car jump starter , power bank ,Auto cleaner, GPS tracking, Digital ADSL device ,Flash light , emergency lighting , solar light, ups power , wireless microphone, Digital Camera, Digital Products, Mobile Communication, Blue tooth Headset, SexToys, Game Player, Solar LED light, Power tools, E-bike, Medical Equipment, Electronic power tools, garden tools,medicine device,GPS,Tablet PC, mobile, digital, power supply, Bluetooth headset and other portable digital products battery. Audio Alarm, Govee Water Detectors, GPS Tracker ,Wireless mini GPS Tracker, Waterproof Bluetooth Speaker, Clitoral Sucking Vibrator, Sex Toys, Ring Alarm Keypad, C-pen readerCertification: UL , RoHS, CE, KC, UN38.3,MSDSCautions in useTo ensure proper use of the battery please read the manual carefully before using it.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 batteryAvoid excessive physical shock or vibration.Do not disassemble or deform the battery.Keep out of the reach of children.Charge and dischargeBattery must be charged in appropriate charger only.Never use a modified or damaged charger.Do not leave battery in charger over 24 hours.StorageStore the battery in a cool, dry and well-ventilated area.DisposalRegulations vary for different countries.  Dispose of in accordance with local regulations.Services & Features:Welcome OEM & ODMCustomized R&D8-hour Response12-hour Solution10-year MaintenanceHow to order:  1. Inquiring 2. Discussion 3. Offer and PI 4. Deposit 5. Start production -push production -follow production-finished production.6. Take movie or photo for product and share it to buyer. 7. Rest Payment 8. Ready to ship out. 9. Send out to carrier/forwarder.10. Follow the shipping things. 11. After-sales service. Why choose us? 1. The factory covers an area 20,000 square meter, have a series of automatic equipment& semi-automatic equipment, production capacity has reached 300,000pcs/day. 2. ISO9001 certified factory: passed ISO9001:2015 inspection, strictly control the working environment.3. Quality assurance: Using high-quality material and build a comprehensive quality control system from parts to finished products. Importantly 100% production inspection. 4. Professional R&D center: to cooperate with the specification, proofing process, and free samples, OEM and ODM are warmly welcomed. 5. Low MOQ: Strength factory, strong production capacity, most of the battery models have stock, can be fast dispatched. 6. Lithium battery certification with UL/CE/CB/IEC62133/KC/PSE/ROHS/ERRCS/UN38.3, etc.7. Most of our sales and technical team has rich lithium battery experiences of 10-15 years. FAQ: 1. Q: How I get the lithium battery price quickly?A:,Normally we reply your email within 8 hours after we received your battery inquiry. And the price should be fixed after deep discussion and full datasheet confirmation. Please call us or add wechat/whatsapp if you have urgent case. or tell us in your email so that we'll regard your inquiry priority.2. Q: How I get a sample to check battery quality?     A: We will go to sample step after we discussed price and agree with business cooperation. 3. Q: How long can I get samples ?  A1: For battery cell , we only need 3-5 days if we have battery cell stock , otherwise we need 8-10 days for handing sample .   A2: For battery pack , it needs 7 days if we have battery cell stock.  A3.:Samples Delivery Time : 5-7days. 4. Q: What about the lead time for mass production?     A: