Li-Polymer 37V 50Ah (13212223) Battery (DGR)
Features Tenergy Unique High-Capacity Li-Po Single CellHigh operating voltageEnergy density is high,volumetric energy density of 350Wh/L and gravimetric energy density of 135Wh/kg.No memory effectSelf-discharge is less than 10% per monthCharge/discharge cycle characteristics are excellentSafety characteristics are excellentThe battery has a wide discharging temperature range of -20 °C to +60 °CThe capacity in amp-hours is guaranteed, and will be exceeded most of the time. Item Spec Note Model 13212223/50000mAh Charge Voltage 4.2V End-of-charge voltage 4.2V CC\CV Nominal Voltage 3.7V Cell Voltage between 3.6V ~3.9V beforeshipping Nominal Capacity ≥50000mAh@ 0.2C Discharge Nominal Capacityrefertothecapacityof 0.2C discharge with2.75Vcut-off voltage,afterchargingwithstandardmethod. Cycle Life ≥ 300 Times One cycle refertoonechargeperiodand then one discharge period. Test condition Charge0.2C to 4.2V Discharge0.2C to 2.75V The cycle lifeisthecycletimeswhen the discharge capacityis about 80% ofthe rated capacity. Self-discharge Residual Capacity>90% After standard charging, storied at 25°C±0.5°C for30 days, thenmeasure the capacityas item 4. Impedance Typical:8mΩ Max10mΩ Afterstandardcharging, measure the internal resistance withAC1KHz Max. Charge Current 1.0C Max. DischargeCurrent 1.0C Discharge Cut-offVoltage 2.75V Operating Temperature Discharge:-10℃~+60℃Charge0 ℃~ +45℃ Cellsmustbestoried at3.6V-3.9V. During long periodstorage, cellsshould be maintained every 90 days.The method is todoacharge-dischargecycle with standard method, then charge to 3.7—3.9V. Storage Temperature -20 ℃~+45℃ Cell Weight Approx 1.4Kg Cell Dimension Length：225mm Max Width：212mm Max Thickness：13.5mm Max Measured with weighting 300gf at 25℃± 0.5℃ Notincluding Tabs Cautions CAUTIONwhen working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mishandled.User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging and assembly before use.We are not responsible for any damage caused by misuse or mishandling of these Polymer Li-Ion batteries3.7V 50000mAh (13212223)Datasheet