Features: Can be used for a variety of batteries, including ternary batteries, lithiumiron phosphate batteries, leadacid batteries. The product uses the defaultternary lithiumbattery 3series modevoltage (L03) Ternary lithiumbattery type L measurement: from L03 series to L20series leadacid battery typeP measurement: DC12V, 24V, 36V, 48V, 60V, 72V, 84V. Lithiumiron battery typeF measurement: from F03 string to F24string. On main page, short press the button to switchthe displaymode, doubleclicks the button to switchthe display (turn off the display to enter low power consumption \ low voltage warning \ power off memory save data function). Can be used in a variety of batteries, including ternary batteries, lithiumiron phosphate batteries, leadacid batteries. Specifications: Material: Plastic Measuring Range: DC7-100V Working Current: Less Equal to 15Ma Accuracy: 3% Display: LCD Colored Display Diameter: Approx. 54.5mm/2.15in Type: TypeA/TypeB Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Voltmeter