2PCS 3.7V 540mAh Lipo Rechargeable battery for Tablet PAD POWER BANK size : 8(H)*20(W)*40(L)mm Charging voltage limit: 4.20V Discharge voltage: 3.0V Charging cut-off current: 0.02C Standard Charge: 0.5C) Standard Discharge: 0.2C Maximum Continuous Charge Current: 1C Maximum continuous discharge current: 1C It can not be used for any drone or other aircrafts. Operating temperature rangeCharge: 0 ~ 45℃ Discharge: –20 ~ 60℃ Storage temperature range: -20 ~ 60℃ Operating and storage humidity range: 65±20% RH Weight:28g It can not be use for any drone or other aircraft ! Features: 1> 100% brand new and high quality 2> It can be recharged repeatedly 3> Built-in protection circuit PCM for prevent over charging or over discharging 2 x PCS 3.7V 540mAh Li-Po Rechargeable Battery 802040 For Bluetooth Speaker MP3 GPS540mAh lipo battery 802040Polymer Lithium Li-ion Battery Power Bank Application:1 communication: cellular phone, web phone, interphone, Bluetooth earphone.2.office devices: Notebook, PDA, portable electrograph, portable printer.3.Video devices: GPS, digital camera, camcorder, portable DVD, portable television, MP3, MP4.4.Portable exchange devices: POS, Handy, Fingerprint machine, portable stock machine.5.Illuminate devices: miner lamp, searchlight.6.Others: toys, models. No.ItemSpecificationsRemark1Rated capacityNormal:540mAh0.2C rate discharge after standard charge2Nominal voltage3.7VMean operation voltage during standarddischarge after standard charge3Voltage at end of discharge2.75VDischarge cut-off voltage4Charging voltage4.2V 5Impedance≤55mΩ 6Standard chargeConstant current 0.2C Constant voltage 4.2VCut-off current≤0.02C 7Standard dischargeConstant current 0.2C End voltage 2.75V8Fast chargeConstant current 0.5C Constant voltage 4.2VCut-off current≤0.02C 9Fast dischargeConstant current 0.5C End voltage 2.75V10Maximum continuous discharge current2.0C 11OperationCharge: 0~45°C60±25%R.Htemperature rangeDischarge: -20~60°C12Cycle life>300cyclesCharging/discharging in the below condition:Charge: standard chargeDischarge:0.2C5A to 2.75VRest time between charge/discharge:30minUntil the discharge capacity <60% of NC13Storage≤1 month: -20 ~ 45°C60±25%R.H,temperature≤3 months: -20 ~ 40°CBest 10~25°C for long-time storage ≤1 year: 0 ~ 30°C 14WeightApprox: 11g 15Dimension(mm)Thickness*Width*Length 8*20*40(mm) Features:100% brand new and high qualityVoltage: 3.7vCapacity: 540mAhSize:8mm(H) x20mm(W) x40mm(L)Weight: 11gIt can be recharged repeatedly Built-in protection circuit PCM for prevent over charging or over discharging Package included:2 x pcs 3.7V 540mAh Li-po polymer Lithium Rechargeable Battery 802040. PaymentDelivery detailsTerms of salesAbout usContact usPayment •We only accept PayPal. •Bulk quantity, please contact us for discount. Delivery details •Order will shipping out in 24 hours since payment complete.(except weekend days)•We ship to worldwide with tracking number.•We ship to the confirmed address provided by PayPal. Before you pay, please make sure your address in PayPal matches the address you would like us to ship to.Terms of sales•All items are brand new•If you received a defective or not as description item,please do not open dispute or leave negative feedback directly,you only need to send us a picture to show that,we will free resend or full refund as soon as we confirm,you also need not to return item to us•100% Satisfaction guaranteed or 30days money back warranty after received itemAbout us• We are professional battery seller.Contact us•We will reply your message within 24hours(monday to friday) Type3.7v Li-po rechargeable batteryQuantity2ModelEHAO802040Country/Region of ManufactureChinaCountry of ManufactureChinaUnit Quantity1Unit TypeUnitVolt3.7Vcapacity540mAhsizethickness:8mm wide:20mm length:40mmuse formp4 mp5 video pen , camera,bluetooth DVD speakersale methodRETAILweight15gUPCDoes not applyMPNDoes not applyBattery Size8*20*40mmEANDoes not applyBrandUnbranded/GenericApplicationuse for communication,office,portable device...Chemical CompositionLithium PolymerVoltage3.7VAmp Hours0.54AhManufacturer Warranty1 YearCustom BundleNo