Main Features

• Dual-slot charger: charges one or two compatible Li-ion batteries at the same time.
• Independent slots: each battery slot has its own charging contact and LED status indicator.
• Integrated USB cable: built-in USB cable for direct plug-and-play charging without needing a separate cable.
• USB powered design: can be used with USB adapters, computers, power banks, car chargers, and USB sockets.
• Smart charging control: designed for stable lithium-ion battery charging with safe voltage regulation.
• LED charging indicators: red light for charging and green light for full charge or standby.
• Wide battery compatibility: supports multiple cylindrical Li-ion battery sizes.
• Compact and portable: lightweight body suitable for home, repair shop, travel, camping, and field use.
• Safe charging output: 4.2V output designed for 3.7V Li-ion rechargeable batteries.
• Easy to use: insert the batteries in the correct polarity, connect the USB cable, and monitor the LED indicators.

Technical Specifications

Compatible Power Sources

The G86U2 charger is designed for simple USB charging. It can be connected to several common USB power sources, including:

• Mobile phone charger.
• USB wall socket.
• Computer or laptop USB port.
• Power bank.
• Car USB charger.
• Stable USB adapter with suitable current output.

LED Indicator Guide

How to Use

1. Insert one or two compatible Li-ion batteries into the charger slots.
2. Make sure the positive and negative battery terminals match the polarity marks inside the charger.
3. Connect the integrated USB cable to a 5V USB power source.
4. Check the LED indicator for each slot.
5. Remove the batteries when the indicator turns green and charging is complete.

Recommended Applications

• Charging 18650 batteries for flashlights and headlamps.
• Charging compatible Li-ion cells for portable electronic devices.
• Battery maintenance for hobby electronics.
• Rechargeable cells used in DIY projects.
• Workshop and repair bench use.
• Travel and camping power accessories.
• Charging spare lithium-ion cells for emergency equipment.

Important Safety Notes

• Use only with compatible 3.7V lithium-ion rechargeable batteries.
• Do not charge alkaline, carbon-zinc, NiMH, NiCd, or non-rechargeable batteries.
• Do not insert damaged, swollen, leaking, or short-circuited batteries.
• Always check battery polarity before charging.
• Use a stable 5V USB power source.
• Do not leave charging batteries unattended for long periods.
• Keep away from water, moisture, heat, and direct flame.
• Remove batteries after charging is complete.

Package Includes

• 1 × G86U2 2-Slot Smart Li-ion Battery Charger with Integrated USB Cable.

Micro Ohm Quality Note

This charger is prepared for customers who need a simple, compact, and practical charger for common 3.7V cylindrical lithium-ion rechargeable batteries. For best performance and safety, always use good-quality batteries and confirm compatibility before charging.