STIHL AK 10 Lithium-Ion Battery provides exceptional power and performance for entry-level AK System tools. Compact and lightweight at just 1.8 lbs., this battery features an updated face design while maintaining the same impressive performance as its predecessor. It ensures optimal run times for a variety of AK System tools, including the MSA 60 C-B, MSA 70 C-B, FSA 57, FSA 60 R, HLA 56, HSA 56, BGA 57, and SHA 56, delivering full power throughout its entire run time. The built-in LED light display provides -time updates on the battery charge status. Experience clean, efficient power with the STIHL AK 10 battery—designed to keep you running strong. Model Number: AK 10