This LCD display supports various battery types including Li-ion, LiFePo4, and lead-acid with a supported voltage range of 9V to 100V, compatible with 12V, 24V, 36V, 72V, and 80V systems. It displays battery capacity using Coulomb meter statistics for accurate readings, current measurement via Hall sensor, charge and discharge time, battery percentage, and battery power. Product parameters: Product name: Coulomb meter Working voltage: 8–100V Current range: 100A Capacity range: 0–99999Ah Working current: 7.5mA Current consumption with backlight off: 3.5mA Voltage accuracy: 1% (1°C) Current accuracy: 1% (1°C) Capacity accuracy: 1% (1°C) Dimensions: 79 x 43 x 27mm Panel cutout size: 76.5 x 39.5mm LCD size: 49 x 24mm Backlight color: Green Operating temperature: -10°C to 65°C Wire length: 15cm Color: Black Material: ABS Package contents: 1 x Hall Coulomb Meter Note: Other items not included. Light reflection and display differences may cause slight variations in color between the image and actual product. Measurement tolerances of ±1–3cm may apply.