Nitecore UI2 Portable USB-C Charger – Dual-Slot Intelligent Charging for Li-ion Batteries
Built for the demands of modern outdoor and high-performance gear, the Nitecore UI2 is a lightweight, dual-slot USB-C Li-ion battery charger designed to deliver efficient and safe power on the go. Compatible with a wide range of 3.7V Li-ion and IMR cells—including larger sizes like 20700 and 21700—the UI2 offers independent charging for two batteries, each with a maximum 1000mA output. It intelligently adapts between CC (Constant Current) and CV (Constant Voltage) modes, supporting low current charging below 2.9V to prolong battery life.
Featuring USB-C input and compatibility with power banks, solar panels, and USB adapters, the UI2 ensures reliable power access in any environment. Built-in safety systems include reverse polarity detection, short circuit protection, thermal regulation, and automatic charge termination. Certified by CE, RoHS, FCC, KC, and C-TICK, and globally insured by Ping An, the UI2 is constructed with fire-retardant PC materials—ideal for rugged and unpredictable outdoor conditions.
Key Features:
- Dual-Slot Smart Charging: Charges two batteries independently with up to 1000mA per slot and real-time LED indicators.
- Wide Compatibility: Supports 3.7V Li-ion/IMR batteries from 10340 to 26650, including 20700 and 21700 formats.
- USB-C Powered for Portability: Compatible with 5V mobile power sources, USB adapters, and solar panels—ideal for travel and outdoor use.
- Multiple Safety Features: Includes reverse polarity protection, short circuit detection, thermal control, and automatic charging stop when complete.
- Rugged & Certified: Made from fire-retardant PC material and certified for international safety and transport standards.
Description
Nitecore UI1 Portable USB-C Charger – Lightweight, Intelligent, and Outdoor-Ready
The Nitecore UI1 is a single-slot USB-C charger built for outdoor enthusiasts and everyday users who need a compact and reliable charging solution. With support for a wide range of 3.7V Li-ion and IMR batteries—including larger cells like 20700 and 21700—the UI1 automatically adjusts between CC (Constant Current) and CV (Constant Voltage) modes to ensure safe and efficient charging. Its smart circuitry allows low current charging below 2.9V, maximizing battery health and cycle life.
Featuring an 800mA charging current, LED indicators for real-time status updates, and intelligent safeguards including reverse polarity protection, short circuit detection, and thermal regulation, the UI1 offers peace of mind in both indoor and outdoor settings. Its USB-C compatibility makes it ideal for use with solar panels, power banks, and mobile USB adaptors—ensuring your batteries stay charged, wherever you are.
Key Features:
- Wide Battery Compatibility: Supports 3.7V Li-ion/IMR batteries from 10340 to 26650, including 20700 and 21700 sizes.
- USB-C Powered: Easily connects to mobile power sources, USB adaptors, or solar panels—perfect for travel and outdoor use.
- Smart Charging Logic: Automatically switches between CC/CV modes and enables low-current charging for deeply discharged cells.
- Advanced Safety Features: Includes anti-short circuit, reverse polarity, and thermal protection with auto shutoff on full charge.
- Durable & Certified: Made of fire-retardant PC material and certified by CE, RoHS, FCC, KC, and C-TICK—insured globally by Ping An.
Compatible With:
- 3.6V/3.7V Lithium Ion IMR Batteries: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650
The Nitecore UI1 Portable USB-C Charger is the ideal choice for those who need a reliable, fast, and safe charging solution for multiple battery types.
Technical Info:
- Input – DC 5V/1A 5W
- Output - 4.2V±1%
- Output current - 1000mA (MAX)
- SIZE/TYPE COMPATIBILITY - ✔ 18650 ✔ 20700 ✔ 21700Data Specification Sheet:
- Nitecore UI1 Portable USB-C Charger Manual
What's in the box:
- Nitecore UI1 Portable USB-C Charger
- USB-C Charger Cord
- User Manual
- Scratch-off validation serial number