1. The digital battery monitor is suitable for 7-100V (12v 24v 36v 48v 60v 72v 84v) LiFeO4 battery, lead acid battery, battery, ternary lithium battery, NiMH battery, 18650 power battery.<br> 2. Whether it is motorcycle, two-wheel electric vehicle, three-wheel electric vehicle, car, supercar, as long as it is equipped with battery, it can measure the percentage of residual voltage.<br> 3. IPX7 waterproof, fully enclosed shell, can be used in outdoor humid environment.<br> 4. The red wire is positive and the black wire is negative.<br> 5. With Buzzer Alarm and Temperature Display --- The battery monitor can set high and low voltage buzzer alarm, short press "M" key to switch voltage and temperature (Celsius).<br> 6. With power-off memory function.<br> Supported battery types:<br> 1. L ternary lithium battery, measuring range from L03 string to L20 string. With power-off memory function<br> 2. P. Lead-acid battery, measuring range from DC 12V to 24V, 36V, 48V, 60V, 72V.<br> 3. F. LiFePO4 battery, measuring range from F04 to F24 series, with power-off memory function<br> 4. Custom : If the battery type is not the above 3, customize the .<br> Parameters:<br> Voltage range: DC7-100V<br> Working current: Less than 10mA<br> Voltage accuracy: 0.1V (0.1% - 0.5%)<br> Display mode: LCD screen<br> Measurement accuracy: 0.5%<br> Measurement speed: 2 per second<br> type: Multicolored Screen<br> Colour:white+black<br> Material:plastic<br> Size:64 x 36 x 15.3mm<br> Package Contents:<br> 1 x battery tester<br> Only the above package content, other products are not included.<br> 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.