The Stanley FatMax 18 Volt V20 Lithium-Ion system battery is suitable for all 18 Volt V20 cordless tools. It has a battery capacity of 2.0 Ah for long working intervals and runtimes. Thanks to lithium-ion technology, there is no self-discharge or memory effect, ensuring that it is always ready for use. The battery contains high-current and high-temperature professional cells with low internal resistance for increased runtime and performance. Three-stage LEDs allow for easy monitoring of the battery's charge status at any time. The robust rail system is designed to support higher battery capacities. Automated and controlled battery assembly takes place under sterile conditions for maximum reliability. Optimal cell management ensures continuous monitoring of all battery functions. The sturdy and compact housing contributes to a long lifespan.