General description High-quality, compatible battery with long-lasting cells for use in your power tools. This battery is also ideal as a second battery, ensuring maximum operating time for your devices. Technical specifications Battery type: Li-ion Capacity: 2500 mAh Voltage: 10.8 V Energy: 27 Wh Colour: black / green Number of cells: 3 Compatibility and accessories Compatible with Festool CXS Compatible with Festool CXS 1.3 Li Plus Compatible with Festool CXS 1.3 Li Set Replacement for Festool part numbers: 498336, 498338, 498339, 498616, 498642, 500184, 500243, 564261, 564274, 564534, 564535, 564540, BP-XS Other information Our batteries and cells fulfill all operational safety guidelines. EXTENSILO Premium batteries are developed for high performance and longevity.