Typical capacities range from 4000mAh to 5000mAh, offering increased runtime for devices or longer driving range for electric vehicles. Voltage is generally rated at 3.6 to 3.7 volts per
Capacity: Ranges from 3000mAh to 5000mAh, depending on the chemistry and application. Discharge Rate (CDR): High-drain cells available with 30A, 40A, or even higher CDR ratings for demanding
When designing a pack, refer to the cell''s mechanical drawing for precise dimensions. <Remark> These values are not guaranteed values.
The basic difference between 18650 and 21700 lithium batteries is size and capacity. 21700 battery has a larger diameter and capacity than the 18650 battery and provides high energy
The capacity of the 21700 battery, ranging from 4,000mAh to 5,000mAh, significantly surpasses that of the 18650 cell. This higher capacity allows the 21700 to power devices for longer
There are hundreds of 21700 battery datasheets available belonging to a different models of 21700 batteries, there are lots of different models available varying in current rating and charge holding
Discover the guide to 21700 battery - specs, capacity, voltage, cycle life, applications, and 21700 vs 18650 comparisons. Ideal for tools, energy storage, and industrial devices.
In the ever-evolving world of portable power, the 21700 lithium-ion battery has emerged as a dominant force. This advanced cylindrical cell is rapidly becoming the go-to energy source for industries
21700 batteries have a typical capacity of about 4000 – 5000 mAh. As with all similar batteries, the 21700 battery''s capacity depends on the current drain and actual cutoff voltage of the powered device.
Nominal Voltage 3.7V Wat-Hour Rating 17.76Wh Max. Operating Voltage Range 2.75V to 4.20V Max. Charge Voltage 4.2V ±50mV Max. Charge Current 2400mA. Max. Continuous Discharge Current
Scelto Energy Africa is a leading energy storage equipment manufacturer and integrator based in South Africa, serving the African market. We specialize in lithium-ion batteries for residential, commercial and industrial use, system-level battery management systems (BMS) for optimal performance and safety, energy conversion systems (PCS) for efficient power flow, energy storage battery system cabinets with integrated monitoring, communication cabinets for telecom and data centres, commercial & industrial energy storage cabinets for factories and warehouses, integrated PV-storage systems for seamless solar plus storage operation, distributed energy resources for microgrids and off-grid applications, and deep discharge battery technology for extended cycling. As a full-service provider, we also offer containerised BESS, modular battery racks, backup emergency power, and zero‑carbon microgrids. Our advanced lithium‑ion and sodium‑ion solutions ensure safety, scalability, and high performance for residential, commercial, industrial, and utility projects across Africa.
Our modular energy storage portfolio ranges from compact lithium-ion batteries to 20ft/40ft mobile containers and outdoor all-in-one storage cabinets with IP54 protection. We are a leading energy storage equipment manufacturer, offering communication cabinets for 5G/telecom, server racks for data centers, and IP54 rated enclosures for harsh environments. Our stackable design allows flexible capacity expansion, while our grid-forming technology ensures stable off‑grid operation. Whether for off‑grid power systems, backup emergency power, integrated PV-storage or large zero‑carbon parks, our products feature advanced thermal management, deep discharge cycling, and compliance with African and international standards. We also provide professional energy storage system installation and after‑sales support across Africa.