The Fenix ARB-L18-4000U High-Capacity 18650 Battery boasts a built-in USB-C charging port and a top-of-the-line 4000mAh rating, ensuring, convenience, top-notch performance, and dependability. With built-in safeguards such as short-circuit prevention and multiple protective layers, along with a button-top design perfect for various Fenix LED flashlights, this rechargeable battery series is the ideal option for superior lighting capabilities. The Built-in USB-C charging ports means that you don't need anything more than a charging cable to get going, not external battery charger needed. 

Note: This item is packaged and priced as one battery.

THIS BATTERY IS SLIGHTLY LARGER THAN A NORMAL 18650 BATTERY. SEE SPECIFICATIONS FOR DETAILED LIST OF COMPATIBLE PRODUCTS

Shipping Note: Lithium ion batteries are considered "dangerous goods" per US transportation regulations and can often only be transported via ground shipment. Orders containing loose batteries will typically take much longer than predicted to be delivered. Delivery times of 14+ days are not uncommon.