The Fein High Power Li-ion Battery is a groundbreaking power source designed to revolutionize the way you work with Fein cordless tools. This 18V 5.2Ah battery is engineered to provide not just longer run times but also a consistently high power output, making it perfect for the most demanding projects. Featuring advanced SafetyCell Technology, this battery offers unmatched protection against the common issues of overloading, overheating, and deep discharge, ensuring your tools operate safely and efficiently. Additionally, the built-in charge indicator allows for effective power management, letting you easily monitor the battery's status to plan your work without interruptions. Elevate your Fein cordless tool experience with the HighPower Li-ion Battery and enjoy the benefits of extended run times, superior performance, and unparalleled reliability.