The Nitecore UI2 Charger is a compact, dual-slot USB charger tailored for 3.7V Li-ion rechargeable batteries, perfect for vapers, flashlight users, and tech enthusiasts. It delivers up to 800mA per slot, balancing fast charging with safety to prevent overheating and overcharging. Featuring a 2.9V low current mode, it can safely revive and extend the life of worn-out batteries. Compatible with popular sizes like 18650, 20700, and 21700, it automatically detects battery status to optimize charging. Lightweight and USB-powered, the UI2 combines trusted performance with convenient, portable charging.
Features:
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800mA Max Current
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Compatible with 3.7V Rechargeable Li-ion Batteries
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2.9V Low Current Charging
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USB Input