The Samsung 25R 18650 Lithium Ion Battery is a high-performance battery designed for use in various electronic devices, including flashlights, vaporizers, and power tools. With a capacity of 2500mAh, it can provide long-lasting power and a continuous discharge rating of 20A, making it suitable for high-drain applications.

This battery is equipped with spot-welded tabs on each end for easy installation and secure connectivity. Its nominal voltage is 3.6V, and its maximum voltage is 4.20V. The end of charge voltage is 4.20V, and the end of discharge voltage is 2.50V. Its internal resistance is max 18mΩ (AC 1kHz) | Typical 13.20mΩ ±2 (AC 1kHz). The standard charge current is 1.25A, and the standard charge time is 3 hours. It can also be quickly charged with a current of up to 4A in just 1 hour.

One of the key features of this battery is its long service life. It has a reliable service life and can be recharged up to 1000 times without any significant loss of capacity. This is because it has no memory effect, which means that it can be charged and discharged without losing its capacity over time. Additionally, it has a long storage life, which means that it can be stored for long periods without losing its capacity.

This battery is also lightweight and has a high energy density, which means that it can provide a lot of power in a small and lightweight package. Its dimensions are 18.33mm x 64.85mm (0.27" x 2.55"), and it weighs just 43.8g, making it easy to carry around.

Overall, the Samsung 25R 18650 Lithium Ion Battery is a high-quality and reliable battery that can provide long-lasting power and high performance for a wide range of electronic devices. With its spot-welded tabs, high discharge rating, and long service life, it is a great choice for anyone looking for a reliable and efficient battery.