Features:_x005F_x000D_This battery level indicator is suitable for use with 12V, 24V, 36V, 48V, 60V, 72V, 84V, and electric scooters. Not suitable for high-power and high load vehicles such as large trucks, cranes, and forklifts. It can be used to measure lithium batteries, polymer batteries, and nickel hydrogen batteries. It can also be used for other power/voltage measurement purposes._x005F_x000D__x005F_x000D_Dual display: The battery and voltage are clear at a glance. The 8-bar color bar (2 red and 6 green) displays the battery level more intuitively. Battery level. A 3-digit voltmeter with automatic decimal point shifting for higher accuracy._x005F_x000D__x005F_x000D_The battery level indicator has a wide range of applications, including lithium battery packs, lead-acid batteries, automotive batteries, electric vehicle batteries, and other types of batteries and electric equipment can be used. The principle of existing voltage calculation is the same as that of electric vehicle battery display meter._x005F_x000D__x005F_x000D_The voltmeter automatically recognizes the voltage and quantity, and has a reverse connection protection function, which will not burn out even if the positive and negative poles are reversed._x005F_x000D__x005F_x000D_Instructions for use: The two wire system of the meter head can directly test the battery._x005F_x000D__x005F_x000D__x005F_x000D__x005F_x000D_Specification:_x005F_x000D_Name: Battery charging level indicator_x005F_x000D_Voltage range: 12-60V/12-72V/12-84V_x005F_x000D_Voltage tolerance: ± 1%_x005F_x000D_8 battery levels: 10%, 25%, 40%, 50%, 60%, 75%, 90%, fully charged_x005F_x000D_Working current: 5-15 mA_x005F_x000D_Refresh speed: approximately 300mS once_x005F_x000D_Display: Three digit 0.56-inch LED digital tube_x005F_x000D_Display color: red/blue_x005F_x000D_Cable length: 15cm_x005F_x000D_Dimensions: 48 x 29 x 22 mm (length x width x height)_x005F_x000D_Installation hole: 46mm x 27mm_x005F_x000D_Working temperature: -10 -65 _x005F_x000D__x005F_x000D__x005F_x000D__x005F_x000D_12-60V universal meter: 12V, 24V, 36V, 48V, 60V (not compatible with 72V)_x005F_x000D_12-72V universal meter: 12V, 24V, 36V, 48V, 72V (not compatible with 60V, 84V)_x005F_x000D_12-84V universal electricity meter: 12V, 24V, 36V, 48V, 60V, 84V (not compatible with 72V)Package List:_x005F_x000D_1 x battery capacity tester voltmeter