Charger UI2 Nitecore Battery Charger

Flexible, portable Li-ion battery charger via USB
- USB port with automatic adoption for the optimal charging program.

- Simultaneous charging and independent control at each charging station.
- Multiple charging safety valves.
- Lightweight and portable for outdoor activities
- Available for large batteries 20700, 21700 and others.

Maximum charging current up to 800mA in one charging position
When a battery with a voltage below 2.9V is charged, the UI2 will automatically activate the function
Low Current Charging that charges the battery with 100mA current.
If a battery with a voltage higher than 2.9V is charged for charging, the UI2 will automatically activate the function
charging with the Maximum Current 800mA.

Powerful Compatibility
Compatible with 3.6V / 3.7V rechargeable batteries
Available for large batteries such as 20700, 21700.

Smart charging selection function (CC and CV)
Automatic adoption of the optimal charging function

Micro-USB input for outdoor charging.
Compatible with a wide variety of energy sources such as solar panels, USB adapters, power banks etc.

Clear and Simple power indicators in each charging position
For real-time monitoring of battery power level and charging status.

Ability to activate excessively discharged Lithium Ion batteries.
UI2 is capable of activating overcharged Lithium-ion batteries with a protection circuit.
After inserting the battery, UI2 will check and activate the battery before charging begins.

Multiple Insurance Lockers during Charging.
- Protection against Short Circuit and Reverse Polarity
If a battery with inverted polarity or short circuit is inserted,
all 3 indicator lights will start flashing to indicate the problem.
- Intelligent Thermal Protection.
If the charger overheats due to the high ambient temperature, the UI2 will adjust the charging current
to protect the charger and battery.
- Automatic termination of charging immediately upon completion.
When the battery is fully charged all three LEDs will light up steadily and the U2 will end the charging process.

Made of fire resistant and fire retardant polycarbonate materials.
"Fearless" from the complex conditions of the external environment.

It has multiple international certifications such as