Product Descripiton

The Samsung 21700 40T is one of the most popular high-performance lithium-ion cells in the 21700 format, known for its perfect balance of capacity and power output. 

With a nominal capacity of 4000mAh and a continuous discharge rate of 35A, it offers exceptional current delivery without overheating — making it ideal for electric bicycles, 

scooters, power tools, and other high-drain devices.

Built with Samsung’s advanced lithium-ion technology, the 40T provides high energy density, low internal resistance, and stable voltage output, ensuring both performance 

and reliability even under heavy load. Its robust safety design and consistent cycle life make it a trusted choice for both OEM manufacturers and individual battery pack builders.