18650 Lithium Ion Battery 2200mah 3.7V – Rechargable

Product Description:

The 18650 2 Cell Battery Holder is a reliable and easy-to-use battery case designed to hold two 18650 lithium-ion batteries in series. It includes pre-soldered wires (red and black) for effortless integration into your Arduino, Raspberry Pi, robotics, or IoT projects.

Its durable plastic build and secure metal spring contacts ensure stable connections and consistent power output. Perfect for DIY electronics where a 7.4V source is required.

Key Features:

• Holds 2 x 18650 batteries (7.4V output in series)

• Pre-attached wires for quick plug-and-play use

• High-quality plastic casing with strong springs

• Ideal for embedded systems, robots, and mobile projects

• Compatible with Arduino, ESP32, sensors, motor drivers, etc.

Applications:

• Power supply for microcontroller boards

• Robotics and smart devices

• DIY portable gadgets

• Prototyping and testing circuits