<p>This LCD display supports various batteries(Li-ion\/LiFePo4\/Lead-acid)</p> <p>supported voltage renge is 9V-100V, (12V\/24V\/36\/72V\/80V)</p> <p>can display battery capacity(Coulomb meter statistics, accurate capacity)</p> <p>current (Hall reads current)</p> <p>charge and discharge time</p> <p>battery persentage</p> <p>battery power</p> <p>Working voltage: 9-100v</p> <p>Current range: 100A</p> <p>Capacity range: 0-99999Ah</p> <p>Working current: 7.5mA</p> <p>The current after closed backlight: 3.5mA</p> <p>Voltage precision: 1%(\u00B11\u2103)</p> <p>Current precision: 1%(\u00B11\u2103)</p> <p>Capacity precision: 1%(\u00B11\u2103)</p> <p>Size: 79X43X27mm</p> <p>Cut hole size: 76.5X39.5mm</p> <p>LCD size: 49X24mm</p> <p>Backlight color: green</p> <p>Working temperature: -10-65\u2103</p> <p>Wire length: 15cm</p> <p>Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.</p> <p>Color: Black</p> <p>Material: ABS</p> <p>Package Contents:</p> <p>1 * Hall Coulomb Meter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>