STIHL Lithium-Ion batteries have indicator lights to indicate the battery status and level of charge. MSRP:$269.95 for MSA 140 C-BQ without battery and charger $349.95 for MSA 140 C-BQ with AK 30 battery and AL 101 charger $129.95 for AK 30 battery To learn more about the STIHL ...