Nitecore UI1 Compact Portable Charger - 1 Slot - 800mA USB-C

The Nitecore UI1 Charger is an ultra-compact portable 1-slot charger for Li-ion/IMR batteries with maximum output current of 800mA. Equipped with a USB-C port, it is ideal for outdoor activities and can be powered by external battery or solar panel. Compatible with 21700, 18650 and RCR123 formats. Intelligent charger that automatically adapts charging current based on battery type and capacity. Capable of activating over-discharged Li-ion batteries. Simple and explicit interface allowing real-time monitoring of battery level and charging status.

USB-C Port and Adaptive Charging

The UI1 integrates a USB-C port allowing connection via external battery, solar panel or USB adapter for portable charging. The charger automatically adapts current: 100mA for batteries <2.9V (low battery protection) or 800mA for batteries ≥2.9V (standard mode). LED indicators display battery level and charging status in real time. Ultra-compact and lightweight (1.43oz / 40.5g), easily portable everywhere.

Intelligent Charging and Maximum Safety

The UI1 automatically selects between 2 charging modes (CC and CV) based on inserted battery. Capable of activating over-discharged Li-ion batteries with protection circuit (3 indicators light up if battery is damaged). Thermal protection: automatic current regulation in case of overheating. Complete protection: anti-reverse polarity and anti-short circuit (3 indicators flash). Automatic stop at end of charge. Made from durable fire-resistant materials with optimal heat dissipation. Insured by Ping An Insurance (Group) Company of China, Ltd.

Specifications

• Number of slots: 1
• USB-C port
• DC Input: 5V⎓1A / 5W
• Output voltage: 4.2V±1%
• Output current: 800mA max
• Adaptive current: 100mA (<2.9V) / 800mA (≥2.9V)
• Compatible Li-ion/IMR (3.6V and 3.7V): 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650
• Simple interface with level and charging status indicators
• Automatic selection of charging mode (CC, CV)
• Activation of over-discharged Li-ion batteries
• Protections: anti-reverse polarity and anti-short circuit (3 indicators flash)
• Thermal protection with automatic current regulation
• Automatic stop at end of charge
• Compatible with power banks, 5V solar panels, USB adapters
• Materials: Durable fire-resistant
• Optimal heat dissipation
• Dimensions: 4.82" x 1.15" x 1.26" / 122.5mm x 29mm x 32mm
• Weight: 1.43oz / 40.5g
• Insurance: Ping An Insurance (Group) Company of China, Ltd

Box Contents

• 1 Nitecore UI1 Charger
• 1 USB-C Cable