3.7V 300mAh Lithium Polymer Rechargeable Battery Li-Po

The 3.7V 300mAh Lithium Polymer Rechargeable Battery is a compact, lightweight, and high-performance rechargeable power source ideal for portable electronic applications. Designed for stability and long cycle life, this Li-Po battery delivers reliable power for IoT devices, wearable electronics, DIY projects, and small embedded systems.

With a nominal voltage of 3.7V and capacity of 300mAh, it supports consistent discharge performance and can be easily integrated into space-constrained designs. This battery is compatible with standard Li-Po charging modules and protection circuits, making it a dependable choice for makers, students, and product developers.

Note: Product image is for reference only. The battery part number, label, or brand may vary, but the electrical specifications remain the same.

Features:

• High-quality 3.7V Lithium Polymer cell
• Compact & lightweight design
• Rechargeable with long cycle life
• Stable discharge performance
• Compatible with common Li-Po charging modules
• Ideal for DIY, prototyping, and embedded systems

Specifications:

• Battery Type: Lithium Polymer (Li-Po)
• Nominal Voltage: 3.7V
• Capacity: 300mAh
• Rechargeable: Yes
• Form Factor: Flat pouch cell
• Charging Voltage: 4.2V (standard Li-Po)
• Operating Temperature: 0°C to 45°C (charging)
• Protection Circuit: Depends on batch/model

Applications:

• IoT devices & wireless sensors
• Arduino / ESP32 / ESP8266 projects
• Wearable electronics
• Bluetooth & GPS modules
• Portable DIY electronics
• Robotics & small RC projects

Package Includes:

• 1 × 3.7V 300mAh Lithium Polymer Battery