21700 Li-ion 3.7V 5000mAh Rechargeable Battery

The 21700 Li-ion 3.7V 5000mAh Rechargeable Battery by CJ is a high-capacity, cylindrical lithium-ion cell designed for reliable performance in demanding applications. With a nominal voltage of 3.7V and a actual capacity of 4500mAh, it provides long-lasting power for portable electronics, battery packs, DIY energy storage projects, and high-drain devices. Built with a 1C discharge rating, this battery ensures stable output and efficient energy delivery, making it suitable for power tools, e-bikes, robotics, and backup systems. Its 21700 form factor combines higher capacity with compact size, offering an upgrade over traditional 18650 cells.Features of 21700 Li-ion 3.7V 5000mAh Rechargeable Battery:High-capacity 5000mAh lithium-ion cell for extended runtime1C discharge rate for reliable high-current applicationsNominal voltage of 3.7V with stable performanceRechargeable and reusable for long cycle lifeStandard 21700 cylindrical form factor for easy integrationSpecifications of 21700 Li-ion 3.7V 5000mAh Rechargeable Battery:Model: 21700 Li-ion Rechargeable Battery – ChengjiangCell Type: Lithium-ion (Rechargeable)Nominal Voltage: 3.7VActual Capacity: 4000 - 4200mAh (approx)Discharge Rate: 1C (max continuous)Standard Charge Voltage: 4.2VCut-off Discharge Voltage: 2.5VSize (Diameter × Length): 21 × 70 mm (approx.)Weight: Approx. 70 gPackage Includes:1 × 21700 Li-ion 3.7V 5000mAh Rechargeable Battery

INR 249 · In stock