Battery Charge Level Indicator 12V 24V 36V 48V 60V 72V Lithium Battery Capacity Meter Tester Display LED Tester Voltmeter feature of product: 1, dual display power + voltage at a glance. The display is more intuitive. Up 8 color bars show (2 red 6 green) battery power. Downstream voltmeter (display battery voltage), the voltmeter decimal point automatic shift accuracy is higher. 2, a wide range of use, lithium battery packs, lead-acid batteries, car batteries, electric car batteries, and other types of batteries can be used. The existing voltage calculation and the electric vehicle’s power display table have the same principle. 3, the meter automatically recognises the voltage and has a reverse connection protection function (reverse connection will not burn). technical parameter: Voltage tolerance: ±1%; 8 segments of electricity: 10% 25% 40% 50% 60% 75% 90% full Working current: 5–15 ma Refresh rate: about 300mS once Display mode: three 0.56″ LED digital tube Display colour : red, blue Lead length: 15cm Dimensions: 48 x 29 x 22 mm, length X width X thickness; Mounting hole: 46 x 27 mm Working temperature: -10 ° C ~ 65 ° C Note: This meter is suitable for 12V, 24V, 36V, 48V, 60V, 72V battery vehicles. It can also measure lithium battery polymer battery NiMH battery. It can also be used for other power/voltage measurement purposes. Not suitable for: large trucks, cranes, forklifts and other high-power high-load vehicles!