Product Description:

Henryuan's rechargeable 3.7V lithium-ion battery charger is engineered for superior performance and safety, specifically designed for 18650 3.7V lithium-ion batteries. With an advanced charging scheme and multiple protection mechanisms, our 4.2V 2A charger ensures safe, efficient, and rapid charging for a wide range of applications.

Key Features:

1. Safety Certifications:

• UL, ETL, cUL, FCC, PSE, CE EMC, LVD, UKCA, SAA, KC, CCC

2. Input Specifications:

• Voltage Range: 90Vac-264Vac
• Rated Voltage: 100Vac-240Vac
• Frequency: 47Hz-63Hz
• Current: 0.6A
• Inrush Current: 35A

3. Output Specifications:

• Output Voltage: 4.2V
• Current: 2A
• Charging Status Indicator: Dual-color LED (Red during charging, Green when fully charged)

4. Charging Process:

• Constant Current (2A): Voltage range 2.5V-4.2V (Red LED)
• Constant Voltage: 4.2V (Red LED when current drops from 2A to 0.2A)
• Trickle Charging: 4.2V (Green LED when current drops below 0.2A)

• Charging Stages: Constant current, constant voltage, trickle current
• LED Indicators: Red for Charging, Green for fully charged

Protection Features:

• Overcurrent, Overvoltage, Short Circuit, and Reverse Polarity Protection

Quality Assurance:

• A team of experienced sales engineers understanding customer needs
• Rigorous raw material supplier selection and strict incoming material inspections
• Over 20 years of expertise in material solutions design
• Skilled production staff and advanced testing equipment
• 100% aging testing process for up to 4 hours
• Comprehensive after-sales support with resolutions within 48 hours

Company Background:

Henryuan Group, with over a decade of expertise in lithium battery charger production and R&D, is a leading industry supplier. Our high-quality 3.7V li-ion battery 18650 chargers are known for their superior performance and safety features, making them popular worldwide. Our products are exported to regions including the Americas, Europe, the United Kingdom, Australia, New Zealand, Italy, France, Germany, Japan, South Korea, Hong Kong, and Taiwan.

Our chargers are perfect for various applications, including educational robots, electric toys, LED desk lamps, flashlights, diving lamps, GPS modules, and more. For safe, reliable, and efficient 3.7V li-ion battery chargers, contact Henryuan's sales engineers today.

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