21700 battery dimensions

Introducing our high-performance 21700 battery, designed to power a wide range of devices with its compact and powerful design. Measuring at 21mm in diameter and 70mm in length, this 21700 battery is smaller than traditional 18650 batteries but offers increased capacity and longer run times. With a voltage of 3.7V and a capacity of up to 5000mAh, this battery provides reliable and consistent power for applications such as flashlights, power tools, electric vehicles, and more. The 21700 battery is built with high-quality materials and advanced technology to ensure a long cycle life and stable performance. Its compact size and high energy density make it an ideal choice for portable devices, while its durability and power output make it suitable for more demanding applications. Upgrade to our 21700 battery for a reliable and long-lasting power source for all your devices.