Products >> Lithium Ion Battery Charger >> 4.2V Lithium Ion Battery Charger
Professional Charging Solutions for Li-Ion Batteries: High Efficiency 3.7V Li-Ion Chargers 4.2V 3A Switching Power Supply
Product Description:
Key Specifications and Features:
Safety Certificates
- Comprehensive safety certifications: UL, ETL, cUL, FCC, PSE, CE EMC, LVD, UKCA, SAA, KC, CCC
Input Specifications
- Input Voltage Range: 90Vac-264Vac
- Rated Input Voltage: 100Vac-240Vac
- Input Frequency: 47Hz-63Hz
- Input Current: 0.6A
- Inrush Current: 35A
Output Specifications
- Output Voltage and Current: 4.2V 3A
- Charging Stages:
- Constant Current Mode: 2.5V-4.2V(battery voltage), Current: 3A (Red LED)
- Constant Voltage Mode: 4.2V, Current: 3A -> 0.3A (Red LED)
- Trickle Charging Mode: 4.2V, Current: 0.3A -> 0 (Green LED)
- LED Indicator: Dual-color indicator displays charging status—red during charging and green when fully charged
Output |
Charging Stage |
LED Indicator |
|
Current |
Voltage |
||
3A |
2.5V-4.2V |
Constant Current |
Red(Charging) |
3A->0.3A |
4.2V |
Constant Voltage |
Red(Charging) |
0.3A->0 |
4.2V |
Trickle Current |
Green(Fully charge battery) |
Applications
- Educational robot chargers
- Electric toy chargers
- LED desk lamp chargers
- Flashlight chargers
- Diving lamp chargers
- GPS module chargers
Charging Cureve Special Designed For Charging 3.7V Lithium Ion Battery
Protection Features
- Over current protection
- Over voltage protection
- Short circuit protection
- Reverse polarity protection
Quality Assurance
- Experienced Sales Engineers: Over a decade of experience understanding customer needs
- Rigorous Material Selection: High standards for raw material suppliers
- Stringent Inspection Process: Strict incoming material inspection
- Advanced Design and Testing: Over 20 years of engineering experience and advanced production testing equipment
- Comprehensive Aging Testing: 100% aging testing process, up to 4 hours of full load aging
-
Efficient After-Sales Support: Analysis, feedback, and resolution system within 48 hours
About Henryuan Group
Henryuan Group, with over 13 years of experience in the production and R&D of lithium battery chargers, is a leading industry supplier. Our high quality 4.2V 3A switching power supplies that used for 3.7V lithium ion battery are recognized for their superior performance and safety features, making them a popular choice among consumers globally.
These 4.2V 3A Li-ion battery chargers are exported to the Americas, Europe, the United Kingdom, Australia, New Zealand, Italy, France, Germany, Japan, South Korea, Hong Kong, Taiwan, and other regions, enjoying a high market share and they are known for their fast and safe charging, making them perfect for various applications.
With good EMI performance and experienced engineers, we can meet customer requirements for both existing and developmental products. In summary, our 3.7V lithium battery chargers are reliable and efficient solutions for all your charging needs. We offer various models, including 4.2V 0.5A, 1A, 1.5A, 2A, 2.5A, 3A, 3.5A, 4A, 5A, 6A, and 7A.
For a safe, reliable, and efficient 3.7V lithium battery charger, contact Henryuan's sales engineers today. Keywords Search
- 3.7V Li-ion battery charger 3.7V 3A lithium ion battery charger 4.2V Li-ion battery charger 4.2V 3A Li-ion battery charger 4.2V 3A switching power supply 4.2V 3A charger