The TinyCircuits Lithium Ion Polymer Battery is the perfect power source for your projects. This high-capacity 3.7V 1500mAh battery offers an impressive energy density, allowing you to pack more power into a smaller form factor. It's perfect for powering robots, drones, and other high-tech gadgets and is designed to last up to 500 charge cycles. With its lightweight construction and advanced safety features, this battery is the perfect choice for your next big project.