3.7V Battery Pack Series
Single-cell lithium battery packs delivering reliable power for consumer electronics, wearables, and portable devices. Our 3.7V series combines compact form factors with high energy density, making them ideal for space-constrained applications.
Compact Design
Minimal footprint perfect for wearables and portable devices
Safety Certified
Built-in protection circuits and compliance certifications
Optimized Performance
Consistent voltage output and rapid charge capability
3.7V Product Lineup
3.7V 500mAh Battery Pack
Smartwatches, Hearing Aids, Small Wearables
500mAh
1.85W
Nominal Voltage
3.7V
Capacity
500mAh
Energy
1.85Wh
Dimensions
35×20×5mm
3.7V 1000mAh Battery Pack
Smartphones, Small Tablets, Portable Devices
1000mAh
3.7W
Nominal Voltage
3.7V
Capacity
1000mAh
Energy
3.7Wh
Dimensions
50×30×8mm
3.7V 2000mAh Battery Pack
Mid-Range Phones, Portable Speakers, Gaming Devices
2000mAh
7.4W
Nominal Voltage
3.7V
Capacity
2000mAh
Energy
7.4Wh
Dimensions
65×40×10mm
3.7V 5000mAh Battery Pack
Large Smartphones, Tablets, Power Banks
5000mAh
18.5W
Nominal Voltage
3.7V
Capacity
5000mAh
Energy
18.5Wh
Dimensions
85×50×12mm
Technical Specifications
Performance Characteristics
• Nominal Voltage: 3.7V (4.2V max)
• Energy Density: 150-180 Wh/kg
• Cycle Life: 500-1000 cycles
• Self-Discharge: <2% per month
• Operating Temp: -20°C to +60°C
Safety & Certifications
• UL 1642 Certified
• CE Mark Compliant
• Built-in Over-charge Protection
• Over-discharge Protection Circuit
• Thermal Management System
Typical Applications
⌚
Wearables
Smartwatches, fitness trackers, and health monitoring devices
🎧
Audio Devices
Wireless earbuds, hearing aids, and portable speakers
📱
Mobile Devices
Smartphones, tablets, and portable gaming devices
Ready to Power Your Devices?
Contact our sales team for bulk orders, custom specifications, or technical support.