Item Type: Lithium Battery Monitor Voltage Range: 8-99.9V Measurement Mode: Voltage and Capacity Opening Size: Approx. 28 x 58mm / 1.1 x 2.3in 1Measuring Range: This tester is mainly used to measure the voltage and SOC of lithium battery, with a voltage measurement range of 8?99.9V. 2High Accuracy: Using high accuracy AD chip to collect voltage, preset curve estimation, support automatic or manual switching of voltage and SOC. 3HD Display Screen: The battery capacity monitor adopts HD screen with clear display to ensure quick viewing and improve work efficiency. 4Easy Operation: The battery voltage tester has reasonable opening, which is easy to install, and equipped with connecting wire, for convenient use. 5Wide Application: This lithium battery indicator is widely used in electric vehicle battery packs, outdoor emergency equipment, measurement equipment, etc. 1 x BatteryMonitor 1 x Connection Cable