The SureFire SF18350 Protected Lithium Ion 1.1Ah Rechargeable Battery is designed to provide reliable power for your SureFire flashlights and weaponlights. This high-capacity battery features built-in protection circuits to prevent overcharging and overheating, ensuring safe and efficient operation. The included Micro-USB cable allows for convenient charging, making it easy to keep your battery ready for use. Ideal for tactical and everyday applications, this rechargeable battery offers long-lasting performance and reliability. SureFire SF18350 Protected Lithium Ion 1.1Ah Rechargeable Battery w/Micro-USB Cable SF18350