18650 Rechargeable Battery 3.7V 1200mAh

This 18650 rechargeable battery is designed to provide a stable 3.7V power supply with a true 1200mAh capacity, making it suitable for Arduino robotics, IoT devices, LED systems, flashlights, and DIY electronics projects. Unlike many lithium batteries in the market that claim exaggerated capacity values, this lithium ion battery delivers real tested capacity, ensuring reliable performance, consistent voltage output, and safe energy delivery during operation.

The flat top 18650 battery design allows easy integration with battery holders, battery packs, power modules, and custom electronic systems. It is widely used in robotics kits, smart devices, controllers, sensors, and embedded systems where stable lithium ion battery performance is required. The battery cell is built with balanced internal resistance, enabling efficient energy conversion and smooth discharge behavior.

This rechargeable lithium battery supports repeated charge and discharge cycles, making it ideal for long-term use in engineering projects, STEM education, prototyping, and automation systems. Whether used in robot car platforms, Arduino boards, IoT modules, or LED lighting setups, this 18650 battery ensures consistent and dependable energy output.

For transportation safety, the battery is shipped with a low initial charge level in compliance with lithium battery shipping regulations. It is recommended to fully charge the battery before first use to achieve optimal performance. Do not judge capacity based on initial charge level, as all lithium ion batteries require full activation after proper charging.