This LCD display supports various battery types including Li-ion, LiFePo4, and lead-acid. Supported voltage range is 9V to 100V, compatible with 12V, 24V, 36V, 72V, and 80V systems. It can display battery capacity using Coulomb meter statistics for accurate readings, real-time current measured by Hall sensor, charge and discharge time, battery percentage, and battery power. Product parameters: Product name: Coulomb meter Working voltage: 8V to 100V Current range: up to 200A Capacity range: 0 to 99999Ah Working current: 7.5mA Working current with backlight off: 3.5mA Voltage accuracy: 1% at 1C Current accuracy: 1% at 1C Capacity accuracy: 1% at 1C Dimensions: 79 x 43 x 27mm Panel cutout size: 76.5 x 39.5mm LCD screen 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 the actual item. Measurement may vary by +/- 1-3cm.