The portable USB battery charger ensures that you can quickly recharge your device and remain prepared for emergencies
Compatible with 3.7V rechargeable Li-ion batteries, offering a sustainable power solution for your device
The USB input allows for easy and convenient charging, ensuring that your device stays powered when you need it
The automatic adoption for the optimal charging modes between CC and CV ensures efficient charging and battery health
The automatic termination upon charging completion prevents overcharging, preserving the battery's lifespan
Reverse polarity protection and anti-short circuit protection offer added safety when charging your device
Thermal protection during the charging process ensures that the device does not overheat, providing safe, efficient charging
The device activates over-discharged batteries with protection circuits, ensuring that your batteries remain functional even after extended use
Made from durable and fire-retardant PC materials, this product offers safety, reliability and durability for long-term use
The optimal heat dissipation design ensures safe operation during extended use, preventing overheating

Features

The Nitecore UI2 Intelligent USB Charger is a versatile and efficient charging solution, designed to protect and extend the life of your batteries. With a maximum charging current of 800mA, it offers fast and reliable charging while automatically adjusting to the needs of your battery. For batteries with a voltage below 2.9V, the UI2 switches to a low current charging mode at 100mA, ensuring safe and gentle charging to preserve battery health and maximize cycle durability. Once the voltage exceeds 2.9V, the charger transitions to Standard Mode with a higher charging current for efficient power delivery. Compatible with a wide range of battery types, including 20700 and 21700 batteries, the UI2 provides exceptional flexibility for various applications beyond vaping, such as flashlights and other electronic devices. Powered through its USB slot, the charger is highly portable and convenient, making it an excellent choice for users who need a reliable, adaptable charging system on the go. The Nitecore UI2 combines advanced functionality with user-friendly design for ultimate utility.

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