21700 Li-ion 3.7V 4500mAh Rechargeable Battery

21700 Li-ion 3.7V 4500mAh Rechargeable Battery is a high-capacity cylindrical lithium-ion battery cell designed for portable electronics, battery packs, power tools, robotics, lighting systems, and other rechargeable power applications. With a nominal voltage of 3.7 V and 4500 mAh capacity, the 21700 form factor provides higher capacity than many conventional 18650 cells while maintaining a compact cylindrical design. Features:4500 mAh high-capacity lithium-ion cell.3.7 V nominal voltage.Standard 21700 cylindrical form factor.Rechargeable lithium-ion chemistry.High energy density for extended operating time.Suitable for battery pack assembly and portable electronics.Suitable for power tools, robotics, lighting, and other high-power applications.Low internal resistance for efficient power delivery.Flat-top cell design.Specifications:ParameterValueProduct TypeRechargeable Li-ion Battery CellBattery Size21700ChemistryLithium-ion (NMC)Nominal Voltage3.7 VNominal Capacity4500 mAhMaximum Charge Voltage4.2 VDischarge Cut-off Voltage2.5 VMaximum Charge Current1CMaximum Discharge Current3CInternal Resistance<30 mΩDimensionsApprox. 21.4 × 70.75 mmWeightApprox. 70 gForm FactorCylindricalRechargeableYesPackage Includes:1 × 21700 Li-ion 3.7V 4500mAh Rechargeable Battery

INR 242 · In stock