The BVM-100 is ideal for both mobile and portable applications including battery boxes and auxiliary batteries. The meter displays a graphic battery capacity gauge and can also display battery voltage and percentage of remaining battery capacity. With multiple function and display settings the user can choose from several different options to program the meter to their needs. Operating Voltage: 6-69 VDC Standby Current (On): 4.0-6.0 mA Standby Current (Sleep): 0.005 mA Compatible Battery Chemistries: Lithium, Lead Acid, and Lithium Iron Phosphate Dimensions: 2.25 x 1.2 x 0.5 in (57 x 30 x 12.8mm)