Features: LCD digital display, easy to read. This products will display based on the voltage value, voltage fluctuations, power meter will be follow as the voltage fluctuation. Will display the battery capacity and voltage, very practical. Suitable for lead-acid 12V, 24V, 36V, 48V battery. Suitable for 2 string, 3 string, 4 string, 5 string, 6 string, 7 string and 8 string 9 string 10 string 11 string 12 string 13 string 14 string 15 string lithium. Specifications: Color: black Size: 61.3*33.3*13.5mm Working Range: 6-63V Working Current: 5mA Display: LCD green backlight Cable Length: 30cm Package Included: 1* Battery Capacity Voltage Tester 1* Cable Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight deviation for the measurement data.