18650 3.7V Rechargeable Li-Ion Battery Charger

The 18650 3.7V rechargeable lithium-ion battery charger is an essential device designed for the convenience and efficiency of charging 18650 batteries, which are widely used in various electronic devices. This charger is specifically engineered to provide optimal charging for these cylindrical cells, ensuring longevity and safety in battery performance.

Key Features

• Smart Charging Technology: Automatically adjusts the charging current and stops once the battery is fully charged, minimizing the risk of overcharging.


• LED Indicator Lights: Features LED lights that indicate charging status: red light for charging and green light for fully charged.


• Universal Compatibility: Compatible with various rechargeable lithium-ion batteries, including 18650, 18350, 18490, and 17670.


• Compact Design: Lightweight and portable, making it easy to transport and perfect for travel, home use, or outdoor activities.


• Multiple Protection Features: Equipped with short-circuit, over-voltage, and over-discharge protection to ensure the safety of both the charger and the batteries.


• Fast Charging Capability: Supports quick charging with a current of up to 1A per channel, significantly reducing charging time compared to standard chargers.

Applications

This charger is ideal for a wide range of applications, including but not limited to:

• Powering electric vehicles and bicycles equipped with 18650 batteries


• Charging handheld devices such as flashlights, portable fans, and vape devices


• Used in DIY electronic projects and battery packs for robotics and gaming devices


• Ideal for use in rechargeable battery packs for appliances and tools

Energy

The 18650 battery charger operates with a standard AC input, typically ranging from 100V to 240V, making it versatile for use in different countries with various voltage systems. The energy efficiency rating ensures that minimal energy is wasted during the charging process, contributing to environmentally friendly practices. Users can expect a fully charged 18650 battery, which typically has a capacity ranging from 1800mAh to 3500mAh, depending on the brand and specific model of the battery.

How to Use

1. Connect the Charger: Plug the charger into a wall outlet using the included AC power adapter.


2. Insert the Battery: Carefully place the 18650 battery into the charging slots, ensuring proper polarity (+ and -) alignment.


3. Check the Indicator: Observe the LED indicator; a red light means charging is in progress.


4. Remove the Battery: Once the green light is lit, indicating that charging is complete, remove the battery carefully from the charger.

For optimal performance and safety, always use the charger in a well-ventilated area and monitor the charging process when possible.