Nitecore UI1 USB Charger, for 18650, 21700, 18350, 20700 etc Batteries

The NITECORE UI1 is a compact single-slot USB charger for Li-ion batteries, supporting sizes like 18650, 18350, 20700, and 21700. It delivers up to 800mA charging current with real-time status indicators and built-in safety features to guard against reverse polarity, overheating, and overcharging. Powered via micro-USB, it’s ultra-light at just 1.43 oz—perfect for travel, outdoor use, or everyday carry.

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