Weltool BB11 additional battery extension cable - for model F11R doubled operating time.. and turned your flashlight into a "long-lasting" version

Why does the "Al-Ma'zib" choose this extension? Battery capacity upgrade: This extension allows you to convert your flashlight (Weltool F11R) from using a short 18350 battery to a larger and more powerful 18650 battery, giving you double the runtime in the field without the need for frequent charging. Weltool's well-known quality: Made from high-strength aerospace aluminum and treated with an anodized layer to protect against scratches and corrosion, ensuring full compatibility with the original flashlight body. Extending the flashlight body: In addition to increasing battery capacity, the extension provides extra length to the flashlight body, making it more comfortable and stable to hold in the hand (especially for those with larger hands). Full insulation and protection: Equipped with original O-rings to ensure the flashlight remains water and dust resistant with the same efficiency as the factory after installation. Easy installation: Precise threading design allows you to install or remove it manually in seconds without any tools. Technical specifications (Al-Ma'zib accuracy): Model: Weltool BB11 Extension Tube. Compatibility: Specifically designed for Weltool F11R flashlight. Material: High-quality aerospace aluminum alloy. Supported battery type after extension: One 18650 battery. Color: Matte black (matching the original flashlight color). "Al-Ma'zib" advice: "Oh Ma'zib, if you have an F11R flashlight and feel its battery runs out quickly during hunting, this extension is the 'smart solution'. Its advantage is that it gives your flashlight a more impressive look and, most importantly, provides longer lighting time thanks to the 18650 battery. Our advice to you: install it, take an extra battery, and forget about the worry of the light turning off in the middle of the night."