Description
Nitecore UI1 – Portable USB Lithium Battery Charger
Overview
The Nitecore UI1 is a compact, portable USB-powered lithium battery charger, designed for safe and efficient charging of various lithium-ion batteries. With its single-slot design, the UI1 is lightweight, travel-friendly, and easy to use, making it an excellent choice for flashlight users, photographers, vapers, and outdoor enthusiasts who need a reliable charging solution on the go.
Featuring intelligent charging capabilities, the UI1 automatically detects battery type and capacity, ensuring optimal charging performance and safety.
Key Features
✅ Universal Lithium-Ion Compatibility: Supports various 3.6V/3.7V Li-Ion/IMR/INR/ICR batteries, including 21700, 18650, 16340, 14500, and more.
✅ Portable & USB-Powered: Ideal for travel and everyday use, powered via USB connection.
✅ Intelligent Charging System: Automatically detects battery type, capacity, and optimal charging mode.
✅ Fast Charging Support: Delivers up to 800mA charging current for efficient battery replenishment.
✅ Safety Protections: Equipped with reverse polarity protection, short circuit prevention, and automatic power-off.
✅ LED Charging Indicators: Displays charging status and battery levels in real time.
Specifications
| Specification | Details |
|---|---|
| Brand | Nitecore |
| Model | UI1 |
| Battery Type Supported | 3.6V/3.7V Lithium-Ion (Li-Ion, IMR, INR, ICR) |
| Compatible Battery Sizes | 21700, 20700, 18650, 18490, 18350, 17670, 17500, 16340 (RCR123), 14500, 10440 |
| Input Power | DC 5V / 1A (USB) |
| Charging Current | Max 1000mA |
| Indicators | LED Charging Status Display |
| Protections | Reverse Polarity, Short Circuit, Automatic Power-Off |
| Dimensions | 115mm × 32mm × 30mm |
| Weight | ~40g (without battery) |
Applications
The Nitecore UI1 Portable USB Charger is widely used for:
🔋 Flashlight Batteries – Ensures reliable charging for high-performance LED flashlights.
🔋 Vape & E-Cig Batteries – Ideal for recharging vape mod batteries safely and efficiently.
🔋 Photography Equipment – Perfect for camera batteries requiring lithium-ion power.
🔋 Portable Power Solutions – Compact charger for on-the-go battery charging needs.
🔋 Emergency Backup Charging – Can be powered via USB adapters, power banks, or solar panels.
Safety Guidelines & Warnings
⚠️ IMPORTANT SAFETY NOTICE ⚠️
The Nitecore UI1 Charger is designed for charging lithium-ion batteries only. Improper use may result in fire, explosion, or injury. Always follow proper charging procedures.
General Safety Guidelines
✔ Use only with compatible lithium-ion batteries—never attempt to charge non-rechargeable batteries.
✔ Connect to a stable USB power source (5V/1A) to ensure safe and efficient charging.
✔ Monitor batteries while charging and avoid leaving them unattended.
✔ Ensure the battery is properly inserted with the correct polarity.
✔ Charge in a well-ventilated area to prevent overheating.
✔ Disconnect the charger when not in use to conserve power and prevent potential hazards.
🚫 Prohibited Uses & Handling
⛔ DO NOT use with non-lithium batteries such as NiMH, NiCd, or alkaline cells.
⛔ DO NOT expose to water, extreme heat, or direct sunlight.
⛔ DO NOT attempt to modify, disassemble, or tamper with the charger.
⛔ DO NOT use a damaged USB cable or charger—replace any frayed or broken parts immediately.
⛔ DO NOT leave batteries charging overnight or unattended.
⚠ User Responsibility & Risk Acknowledgment
- The user assumes full responsibility for proper handling, usage, and storage of lithium-ion batteries and chargers.
- Improper use may result in serious injury or damage—always follow manufacturer recommendations.
- Nitecore is not responsible for damages caused by misuse or mishandling of this charger.
By purchasing and using the Nitecore UI1 Portable USB Lithium Battery Charger, you acknowledge and agree to follow all safety guidelines. Failure to comply may result in hazardous consequences.
Charge safely and power your devices efficiently! 🔋⚡
