Lecxo Lithium Battery Charger – 4.2V 400mA for 18650 Batteries

The Lecxo Lithium Battery Charger is a compact charger designed for charging single-cell 3.7V lithium-ion rechargeable batteries, including popular 18650 cells. It features a constant current and constant voltage (CC/CV) charging method to ensure safe and efficient charging performance. Supporting a wide input voltage range of 100–240V AC, the charger is suitable for use in different regions and power systems. It includes reverse polarity protection, low-voltage battery recovery functionality, and trickle charging technology to help achieve a full battery charge while maintaining battery health. Compatible with multiple cylindrical Li-ion battery sizes, it is suitable for electronics, flashlights, battery packs, and DIY projects.

• Supports 3.7V lithium-ion rechargeable batteries

• Compatible with 18650 and other cylindrical cells

• Constant current and constant voltage charging

• 100–240V AC universal input range

• 4.2V regulated charging output

• 400mA charging current

• Reverse polarity protection

• Low-voltage battery recovery function

• Trickle charging for full battery saturation

• Automatic charging management

• Compact and lightweight design

• Suitable for home and workshop use

• Compatible with multiple Li-ion battery sizes

• Simple plug-and-charge operation