The Nitecore F1 is one of Nitecore's newest ultraportable offerings for folks on the go. If This ultralight, single battery charger doubles as a powerbank. If you frequently find yourself needing an ultraportable charger and could also use the ability to charge an external device from your battery, the F1 is the right choice for you. (For example, you could charge a cellphone, a GoPro, a headlamp, etc. from an already charged battery).

Made from lightweight polycarbonate, the Nitecore F1 is also designed to be extremely durable, making it a great choice for tossing into a travel bag so you're never without a charger when you need one.

To ensure the battery is secure, this charger comes with a thick band that will hold it in place.

This truly "finger-sized" charger is the perfect choice for someone who needs a charger that provides maximum versatility without weighing them down. 

NO BATTERIES OR USB CORD INCLUDED

Nitecore F1 Charger Specifications:

• Weight: 1.06 oz/30 g (without battery)
• Size: 3.43 inches x .94 inches x 1.15 inches
• Compatible with Li-ion batteries only 
• Battery sizes: 26650, 18650, 17670, 18490, 17500, 17335, 16340(RCR123), 
  14500, 10440
• Input:  Micro USB, DC 5V, >=500mA
• Output: Full size USB
• Output Voltage: 4.2V +/-1% (slot), 5V +/- 5% (USB)
• Output Current:  1000mA MAX (slot), 1000mA (USB)
• Includes a durable elastic band to ensure battery is secured in place
• Battery terminals are gold-plated to resist corrosion
• See the picture slideshow for more features.

In the box:

• Nitecore F1 Charger
• 2x Rubber Bands to keep your batteries in place while they charge. (1 yellow and 1 black)
• Warranty Card
• User Manual
• Nitecore F1 Manual