Product Introduction: 805080 3.7V 4000mAh Lithium Polymer Battery

As a leading manufacturer and supplier of high-quality lithium batteries, we are pleased to introduce our premium 805080 3.7V 4000mAh lithium 

polymer (LiPo) battery. This model is designed to meet the growing demand for high-performance, lightweight, and rechargeable energy solutions 

across various industries. With its compact design, stable output voltage, and high energy density, this battery is an ideal power source for 

numerous electronic applications.

Key Specifications:

Model: 805080

Nominal Voltage: 3.7V

Nominal Capacity: 4000mAh

Battery Type: Lithium Polymer (LiPo)

Standard Charge Current: 0.2C (800mA)

Max Charge Current: 1C (4000mA)

Standard Discharge Current: 0.5C (2000mA)

Max Continuous Discharge Current: 1C (4000mA)

Cycle Life: >500 cycles at 80% capacity retention

Internal Resistance: ≤100mΩ

Operating Temperature: Charging: 0°C to 45°C; Discharging: -20°C to 60°C

Storage Temperature: -10°C to 45°C (short-term), 15°C to 25°C (long-term for best performance)

Self-Discharge Rate: <3% per month (at 25°C)

Protection Circuit: Built-in PCM (Protection Circuit Module) to prevent overcharging, over-discharging, and short circuits

Connector Type: Optional, customizable based on customer requirements

Physical Dimensions & Weight:

Thickness: 8.0mm

Width: 50.0mm

Length: 80.0mm

Weight: Approximately 75g ± 5g

Key Features & Benefits:

High Energy Density: This LiPo battery offers a high energy-to-weight ratio, providing more power while maintaining a compact and lightweight 

design.

Stable Output Voltage: The 3.7V nominal voltage ensures a consistent power supply, making it suitable for sensitive electronic devices.

Long Cycle Life: Designed for over 500 charge-discharge cycles, maintaining at least 80% of its original capacity, ensuring longevity and 

cost-effectiveness.

Fast Charging Support: The battery supports rapid charging up to 1C, allowing users to recharge quickly and efficiently.

Integrated Protection Circuit: Equipped with a high-quality PCM, it safeguards against potential risks such as overvoltage, overcurrent, short 

circuits, and overheating.

Eco-Friendly & Low Self-Discharge: With minimal self-discharge, this battery retains its charge when stored, reducing the need for frequent 

recharging.

Customizable Options: Various connector types, leads, and casing modifications are available upon request, catering to specific device 

requirements.

Applications:

The 805080 3.7V 4000mAh lithium polymer battery is widely used in diverse applications across multiple industries, including:

Consumer Electronics:

Tablets and E-Readers

Portable Media Players

Bluetooth Speakers

Smart Wearable Devices

Wireless Headphones & Earbuds

Medical & Healthcare Devices:

Portable Medical Equipment

Health Monitoring Devices

Digital Thermometers

Hearing Aids

CPAP Machines

Smart Home & IoT (Internet of Things):

Smart Door Locks

Security Cameras

IoT Sensors

Wireless Home Automation Systems

Industrial & Commercial Applications:

Barcode Scanners

GPS Tracking Devices

Portable Testing Equipment

Handheld Payment Terminals

Remote-Controlled & Hobbyist Devices:

RC Drones & Quadcopters

RC Cars, Boats, and Planes

Electric Toys & Gadgets

Backup Power & Energy Storage:

Emergency Power Supplies

Small-Scale Solar Storage Systems

Rechargeable Battery Packs

Why Choose Our 805080 3.7V 4000mAh Battery?

Reliable Manufacturer: We have over a decade of experience in battery manufacturing, ensuring strict quality control and consistent 

performance.

Industry Certifications: Our lithium polymer batteries meet global safety and performance standards, including UL1642, IEC62133 (CB), 

CE, UN38.3, RoHS, KC, and MSDS certification.

Customization Available: We provide OEM and ODM services to customize battery dimensions, voltage configurations, and connector 

types.

Competitive Pricing: Factory-direct pricing ensures cost-effective solutions without compromising quality.

Global Shipping: We offer worldwide shipping with secure packaging and quick delivery times.

Safety & Handling Precautions:

To ensure the safe and optimal performance of the 805080 LiPo battery, follow these guidelines:

Do not expose the battery to extreme temperatures or direct sunlight.

Avoid overcharging or deep discharging beyond recommended voltage limits.

Use only compatible chargers designed for lithium polymer batteries.

Do not puncture, crush, or disassemble the battery.

Store in a cool, dry place away from flammable materials.

Dispose of the battery responsibly according to local regulations.

Order & Contact Information:

We welcome bulk orders and custom requests. If you are interested in purchasing the 805080 3.7V 4000mAh LiPo battery, or if you 

need further information regarding pricing, lead times, and technical specifications, please contact us:

Company Name: Shenzhen A&S Power Technology Co., Ltd.

Email: sales@szaspower.com

Phone: +86-755-2816-9348

Website: www.szaspower.com

Conclusion:

The 805080 3.7V 4000mAh lithium polymer battery is an excellent choice for applications requiring a high-capacity, lightweight, and 

long-lasting rechargeable power source. With its advanced safety features, strong energy output, and reliable performance, it is suitable 

for a wide range of consumer, medical, industrial, and IoT applications. Our commitment to quality, customization, and customer satisfaction 

ensures that you receive the best battery solution tailored to your needs.

For inquiries, bulk orders, or customization options, feel free to reach out to us. We look forward to supplying you with top-tier lithium 

polymer battery solutions!