Name li-ion polymer battery  pack 2200mah 7.4 v for medical equipment battery rechargeable lipo polyer battery Product Configurations No.ItemComponents DescriptionsRemark1Li-ion Polymer CellKPL584858 2000mAh 3.7V (2PCS)KAYO2PCM+UPA1870*2+10K NTCJY9200123Wire & ConnectorJST-ZH-5P35±5mm4PVC FilmBlue/5Label(584858-2S)6PETPET2.Pack Drawing 3.Product Specifications         No.ItemPerformanceRemark1CapacityTypical2800mAhDischarge at 0.2C5A  to 6.00V after standard charge.Minimum 2800mAh2Nominal Voltage7.4VOperation voltage during standard discharge.3Cut-off Voltage6.0V4Charging Voltage8.4±0.03V5Internal Impedance≤120mΩ AC 1KHz after standard charge6Standard ChargeCC / CV: 8.4V / 0.2C5A charging till to the current decline to 0.01C5A, at 23℃.Charge time: Approx 7.0h.7Standard DischargeDischarge continuously with 0.2C5A to 6.00V.8Fast ChargeCC / CV: 8.4V / 0.5C5A charging till to the current decline to 0.01C5A, at 23℃.Charge time: Approx 4.0h.9Fast DischargeDischarge continuously with 1.0C5A to 6.00V.10Max. Charge Current0.5C5A11Max. Continuous Discharge Current1.0C5A12Operation Temperature0~+45℃Charge-20~+60℃Discharge13Storage TemperatureLess than 1 year: -20~+25℃Recommend to charge and discharge at least 1 time to maintain battery.Less than 6 months: -20~+30℃Less than 3 months: -20~+40℃14Storage Humidity65±20% RH15WeightApprox: 112.0g16Product DimensionsLength: 68.0±0.10mmInitial battery dimensionsWidth: 56.8±0.10mmThickness: 16.2±0.10mm17Open Voltage7.6-7.9VAbout 50%-70% power 2.Product Drawing  2.Product Configurations      No.ItemPerformanceRemark1CapacityTypical2800mAhDischarge at 0.2C5A  to 6.00V after standard charge.Minimum2800mAh2Nominal Voltage7.4VOperation voltage during standard discharge.3Cut-off Voltage6.0V4Charging Voltage8.4±0.03V5Internal Impedance≤120mΩ AC 1KHz after standard charge6Standard ChargeCC / CV: 8.4V / 0.2C5A charging till to the current decline to 0.01C5A, at 23℃.Charge time: Approx 7.0h.7Standard DischargeDischarge continuously with 0.2C5A to 6.00V.8Fast ChargeCC / CV: 8.4V / 0.5C5A charging till to the current decline to 0.01C5A, at 23℃.Charge time: Approx 4.0h.9Fast DischargeDischarge continuously with 1.0C5A to 6.00V.10Max. Charge Current0.5C5A11Max. Continuous Discharge Current1.0C5A12Operation Temperature0~+45℃Charge-20~+60℃Discharge13Storage TemperatureLess than 1 year: -20~+25℃Recommend to charge and discharge at least 1 time to maintain battery.Less than 6 months: -20~+30℃Less than 3 months: -20~+40℃14Storage Humidity65±20% RH15WeightApprox: 112.0g16Product DimensionsLength: 68.0±0.10mmInitial battery dimensionsWidth: 56.8±0.10mmThickness: 16.2±0.10mm17Open Voltage7.6-7.9VAbout 50%-70% power3.Cycle Life and Leakage-Proof   Table 4No.ItemCriteriaTest Conditions1Cycle Life≥500 cycles ≥70% of the Initial Capacity1. Charge:0.5 C5A to 8.4V 2. Rest 30minutes  3. Discharge: 0.5C5A to 6.0V 4. Rest 30minutes 5. Recycles step 1~ step 4 till to 500 cycles at 20±5℃/2LeakageNo leakagefully charge, store at 60±3℃, 60±10%RH for 1week.4.PCM Specification 6.1 Using scope: The specifications apply to Li-ion Battery Protection Module for KAYO Company. 6.2 Battery capacity: 2800mAh 6.3 Environment request: RoHS.CE 6.4 Function description: Over charge protection, Over discharge protection, Over current protection Short circuit protection5.Certificate 6.Warranty 12 months limited warranty against workmanship and material defect.  7.Safety issues:We have insurance guarantee. China CPIC if the products is produced by KAYO,and it brings any problem when your used such as property damage and people injured. if the third parts give the report, the PICC will give your compensation each can as high as USD500,000.