Forget replacing flashlight batteries. With Fenix’s battery charger technology and rechargeable batteries, batteries last longer than ever before. The advanced technology allows Fenix chargers to safely, quickly, and efficiently charge a variety of batteries. While lithium-ion batteries are the most popular battery, Fenix chargers can accommodate various rechargeable batteries including Ni-MH batteries. Small single bay or dual bay battery chargers are compact and portable, easy to slip into a bag and carry with you. Some battery chargers offer simple LED lights to indicate the status of the battery while others offer screens with more detailed information. Every charger needs something to charge! Don't forget to pick up a Fenix battery!