Samsung 21700 Li-ion 4000mAh 3.7V 10C

21700 Li-ion 4000mAh 3.7V 10C

The Samsung 21700 Li-ion Battery 4000mAh 3.7V 10C is a high-capacity rechargeable battery suitable for a variety of applications. With its large capacity of 4000mAh and a discharge rate of 10C, it provides ample power for extended use. Its 3.7V voltage rating makes it compatible with a wide range of devices, including flashlights, power tools, RC vehicles, quadrocopters, and more. The 21700 form factor offers increased energy density compared to smaller batteries, making it ideal for devices that require long-lasting power. Whether used as a primary power source or backup battery, the 21700 Li-ion battery delivers reliable performance for demanding devices.