Dual Slot 18650 Lithium-Ion Battery Charger

The Dual Slot 18650 Lithium-Ion Battery Charger is a compact and reliable charging device designed for safely charging one or two 3.7V rechargeable lithium-ion batteries, including standard 18650 cells. It features two independent charging bays, allowing users to charge batteries individually or simultaneously, making it an ideal solution for flashlights, portable electronics, DIY battery packs, and embedded system projects.

The charger incorporates an intelligent charging circuit that automatically monitors the battery charging process. It provides constant current (CC) charging during the initial stage and constant voltage (CV) charging as the battery approaches full capacity, ensuring efficient charging while helping to extend battery life. Once the battery reaches its full charge voltage, the charger automatically reduces or stops the charging current to protect the battery from overcharging.

Each charging slot is equipped with spring-loaded metal contacts, allowing easy insertion and removal of batteries while maintaining a secure electrical connection. The charger includes LED status indicators that display the charging status of each battery independently, enabling users to easily monitor the charging process.

Manufactured with a durable ABS plastic housing, the charger offers excellent insulation, long service life, and reliable performance. Its compact and lightweight design makes it suitable for both home and portable use. Depending on the model, the charger is powered through a USB input or DC power adapter, providing flexible charging options.

The Dual Slot 18650 Lithium-Ion Battery Charger is compatible with 3.7V rechargeable 18650 lithium-ion batteries and is widely used in LED flashlights, emergency lighting systems, battery-powered electronics, robotics, IoT devices, DIY battery packs, laboratory applications, educational STEM projects, and prototype development.

Features

• Dual-slot design for charging one or two batteries simultaneously

• Compatible with 3.7V rechargeable 18650 lithium-ion batteries

• Independent charging channels

• Intelligent CC/CV charging technology

• Automatic overcharge protection

• LED charging status indicators

• Spring-loaded battery contacts

• Durable ABS plastic housing

• Compact and lightweight design

• Safe and reliable battery charging

• Easy battery insertion and removal

• Long operational life

Applications

• Charging 18650 lithium-ion batteries

• LED flashlights

• Emergency lighting systems

• Portable electronic devices

• DIY battery packs

• Power banks

• Robotics projects

• IoT devices

• Embedded systems

• Educational STEM projects

• Laboratory testing

• Prototype development

• DIY electronics

Package Includes

• 1 × Dual Slot 18650 Lithium-Ion Battery Charger