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18650 3.7V 2200mAh Lithium Ion Rechargeable Battery Cell
Basic Electronic Components
The 18650 3.7V 2200mAh Lithium Ion Rechargeable Battery Cell is a high-capacity rechargeable battery designed for powering portable electronics, robotics, DIY projects, and battery-operated devices. With a standard 18mm × 65mm cylindrical form factor, this battery provides a reliable power source with good energy density, long cycle life, and stable performance. Featuring a 2200mAh capacity and 3.7V nominal voltage, it is widely used by students, hobbyists, and engineers for creating custom battery packs and portable power solutions. It can be used with suitable battery holders, charging modules, and protection circuits to build safe and efficient rechargeable power systems. Applications: DIY 18650 battery packs Power bank projects Arduino and ESP32 portable projects Robotics and automation systems LED lighting projects Portable electronic devices Wireless sensor nodes RC and hobby electronics IoT-powered devices Educational STEM projects₹99