The Nitecore NL169 is a powerful 16340 lithium-ion battery with a capacity of 690 milliampere-hours (mAh). This rechargeable battery is specifically designed for use in various devices and provides a reliable power source. Weighing only 20 grams, it is lightweight and portable, making it ideal for on-the-go applications. The 16340 form factor is common in many modern devices, which makes the NL169 versatile. The battery meets the requirements of UN number 3480, indicating its safe handling. The Nitecore NL169 is an excellent choice for anyone in need of a long-lasting and efficient power source, whether for flashlights, cameras, or other electronic devices. This declarable battery is designed to deliver high performance while being environmentally friendly, as it is rechargeable. With this battery, users can ensure that their devices are always ready for use.