Digital Ammeter Voltmeter, PZEM-025 DC Electric Meter Voltmeter Battery Tester Wattmeter 0300A/300V (50A)

【Multifunctional Display】: The digital voltmeter/ammeter features an LCD screen with a wide viewing angle and green backlight, which can measure and display DC voltage, current, power, and energy consumption. 【Data Saving】: When closed, power data and backlight status can be saved, making it convenient to read at night. The backlight can be turned on and off using buttons. 【Direction Display】: The power and energy consumption displays have a direction indicator, showing forward or reverse. Use "-" for reverse, otherwise for forward. 【Range of Measurement: Voltage measurement range: 0-300 V, current measurement range: 0-300 A, power measurement range: 0-90 kW, energy consumption measurement range: ± 0-99 kWh. Suitable for household DC power supply; proper wiring is required. 【Operating Method】: Direct power supply: Test voltage directly supplied, measuring range: 8-300V. Independent power supply: Operating voltage range: DC5-12V, measuring range: 0-300V; high accuracy, 50A, 100A, 200A, 300A available.