Product Overview‌

The ‌422339‌ is a lightweight lithium-ion polymer (LiPo) rechargeable battery pack with a nominal voltage of ‌3.7V‌ and a capacity of ‌350mAh‌. Designed for compact electric appliances, it leverages polymer electrolyte technology to enable thin form factors and efficient energy storage in space-constrained devices.

Specification

Attribute	Value
Battery Size	422339P
Battery Type	Li-ion Polymer
Voltage	3.7V
Capacity	350mAh
Cycle Life	300 cycles (≥80% capacity retention)
Operating Temperature	-20~60℃
Charging Temperature	0~45℃
Dimensions	4.5×23.5×42 mm (Max)
Weight	Approx. 10g
Applications	Home Appliances, Consumer Electronics, Wearable Devices

Key Features‌

• ‌Compact Design‌: Optimized for small-scale applications like smart sensors, wearables, and portable electronics, ensuring seamless integration into miniaturized products.
• ‌Rechargeability‌: Supports hundreds of charge cycles with moderate capacity retention, enhancing device longevity and reducing waste.
• ‌Safety Mechanisms‌: Includes built-in protection against overcharging and overdischarging, critical for preventing thermal risks in consumer devices.
• ‌Customization Options‌: Available with PCB connectors for direct OEM integration, facilitating rapid prototyping and mass production.

Applications in Electric Appliances‌

• ‌Smart Home Devices‌: Powers low-energy IoT sensors and remote controls due to its stable voltage output and small footprint.
• ‌Wearable Tech‌: Ideal for fitness trackers and health monitors, where weight and size constraints are paramount.
• ‌Portable Electronics‌: Used in compact audio devices and handheld tools, balancing energy efficiency with mobility.

‌4. Advantages over Traditional Batteries‌

• ‌Lightweight Construction‌: Polymer-based cells reduce weight significantly compared to liquid-electrolyte alternatives, improving user comfort.
• ‌Flexible Form Factors‌: Can be molded into irregular shapes, enabling innovative product designs beyond standard battery geometries.
• ‌High Discharge Efficiency‌: delivers consistent power for devices with intermittent high-demand phases, such as wireless sensors.

‌5. Challenges & Considerations‌

• ‌Limited Capacity‌: The 350mAh rating may restrict use in high-drain applications, requiring careful power management in energy-intensive devices.
• ‌Temperature Sensitivity‌: Performance declines in extreme cold or heat, necessitating thermal insulation in harsh environments.
• ‌Recycling Complexity‌: Polymer materials demand specialized recycling processes, posing environmental challenges at end-of-life.