1、MAIN FUNCTIONS: This is a high accuracy coulombmeter, which can accurately measure the voltage, current and capacity of the battery in real time, helping users to accurately understand the working status of the battery in a timely manner 2、APPLICABLE MODEL: Coulomb meter is applicable to all kinds of batteries from 8 to , whether acid batteries, ternary lithium batteries or lithium iron phosphate or other types of batteries 3、DISPLAY DATA: Battery monitor meter display voltage, current, capacity, and charge percentage in real time. The page is clear, and the data is displayed visually for easy observation of battery conditions 4、PORTABLE AND CONVENIENT: The coulomb meter battery monitor is 64.6x35.6x19.5mm in size and 61x32mm in hole opening size, making it compact and portable for portable use 5、APPLICABLE SCENARIO: Battery fuel gauge indicator can be applied to electric vehicle, outdoor power supply, sweeper and all kinds of battery detection and maintenance Item Type: Coulomb Meter Material: ABS Measuring Current: 0-100A Measuring Capacity: 0-999Ah Current Accuracy: ±1% Capacity Accuracy: ±1% Operating Temperature: -10~60℃ Size: Approx. 64.6 x 35.6 x 19.5mm / 2.54 x 1.4 x 0.77in Hole Opening Size: Approx. 61 x 32mm / 2.4 x 1.26in 1 x Main Unit 1 x Shunt 1 x USB Data Cable 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin