The Streamlight 90341 Lithium Ion Battery is a high-performance power source designed specifically for use with the Streamlight Survivor X C1D1 flashlight. This rechargeable battery provides up to 3.5 hours of continuous runtime on high mode, making it ideal for use in hazardous environments where reliable lighting is essential. The battery is capable of being recharged up to 500 times, ensuring long-lasting use and cost-effective operation. The Streamlight 90341 Lithium Ion Battery is designed to meet the rigorous demands of hazardous environments, including oil rigs and chemical plants. It is built to withstand extreme temperatures, shock, and vibration, ensuring reliable performance in even the toughest conditions. The battery is also lightweight and compact, making it easy to carry and transport wherever you need it. Whether you're a first responder, industrial worker, or outdoor enthusiast, the Streamlight 90341 Lithium Ion Battery is an essential accessory for your Streamlight Survivor X C1D1 flashlight. With its high-performance capabilities and durable construction, this battery is sure to provide reliable power when you need it most.