Description
WLY351725 1S 3.7V 120mAh Li-Po Micro Rechargeable Battery Pack
The WLY351725 3.7V 120mAh 1S Li-Po Battery is a compact and lightweight lithium polymer rechargeable battery designed for small electronic devices and DIY electronics projects. Additionally, this micro battery provides stable power output while maintaining a very small size, making it ideal for devices where space and weight are limited.
Moreover, this battery features single-cell (1S) lithium-polymer technology with a nominal voltage of 3.7V and a maximum charging voltage of 4.2V. Therefore, it ensures efficient and reliable power delivery for low-power electronics such as IoT devices, wearable gadgets, and compact robotics projects.
Furthermore, the battery is built with high-quality lithium polymer cells that provide high energy density and long cycle life. As a result, it can be recharged multiple times while maintaining consistent performance.
In addition, the battery comes with pre-attached red and black wires, which makes installation quick and simple. For example, it can easily connect to Arduino boards, ESP modules, Bluetooth devices, or other small electronics.
Similarly, its lightweight and compact design makes it suitable for portable applications. Consequently, this battery is widely used in mini drones, wireless devices, smart wearables, and DIY electronics projects.
Overall, the WLY351725 3.7V 120mAh Li-Po battery is a reliable power solution for hobbyists, engineers, and developers working on compact electronic devices.
Key Features
Compact and lightweight micro battery design
Rechargeable Lithium Polymer (Li-Po) technology
Stable 3.7V output voltage
High energy density for small devices
Long cycle life and low self-discharge
Easy connection with pre-attached wires
Ideal for DIY electronics and IoT projects
Applications
This micro Li-Po battery is commonly used in:
IoT devices
Wearable electronics
Mini drones and RC models
Bluetooth devices and wireless gadgets
Arduino and ESP projects
DIY electronics and robotics
Portable electronic devices





