3.7V 300mAh lithium-ion battery

3.7V 300mAh Lithium-Ion Rechargeable Battery

The 3.7V 300mAh Li-ion battery is a compact and efficient power source, ideal for small-scale electronic projects that require reliable and long-lasting energy. With a lightweight and slim profile, this rechargeable battery is widely used in wearable devices, Bluetooth modules, MP3 players, fitness trackers, IoT sensors, and various DIY electronics.

This lithium-ion battery provides a stable 3.7 volts and a rated capacity of 300mAh, offering a good balance between energy density and portability. It features built-in protection circuitry to prevent overcharging, over-discharging, and short-circuiting, enhancing both safety and battery life.

Thanks to its small size, this battery can be easily integrated into compact projects or gadgets. Whether you’re designing a wireless sensor module, a miniature robot, or a prototype device, this battery serves as a reliable power solution that delivers consistent performance.

Key Features:

• Voltage: 3.7V nominal

• Capacity: 300mAh

• Rechargeable: Yes, via standard Li-ion charging methods

• Compact Size: Ideal for wearable and portable projects

• Lightweight: Easy to embed in lightweight electronics

• Safety Protection: Built-in protection against overcharge, over-discharge, and short circuits

Applications:

• Bluetooth speakers and headphones

• Smartwatches and fitness trackers

• Miniature IoT modules

• MP3/MP4 players

• RC toys and hobby electronics

• DIY embedded systems and Arduino-based projects

Why Choose This Battery?

The 3.7V 300mAh battery is an excellent choice for projects that require low to moderate energy consumption in a space-saving form. It offers dependable power output and is compatible with most Li-ion battery charging modules and circuits. Ideal for both beginners and professional developers, it ensures your devices run smoothly and safely.

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