3.7V 300mAh Lithium Ion Battery

The 3.7V 300mAh Lithium Ion Battery is a compact, lightweight, and rechargeable power source designed to provide stable and reliable voltage for small electronic devices and portable applications. With a nominal voltage of 3.7V and a capacity of 300mAh, it delivers sufficient energy for low-power IoT devices, wearable electronics, mini gadgets, DIY projects, and embedded systems.

This battery is built with high energy density, ensuring longer runtime relative to its size, and features a low self-discharge rate for extended shelf life. Its durable lithium-ion chemistry allows hundreds of charge and discharge cycles while maintaining consistent voltage output, making it a dependable choice for continuous or intermittent use.

The compact design allows easy integration into small enclosures, wearable devices, or custom battery packs, and its lightweight construction adds minimal bulk to portable electronics. This battery is ideal for makers, hobbyists, and professionals looking for a reliable, rechargeable power source for their compact electronic projects, sensors, and embedded systems.