Features 1、Dual Interface: The battery monitor is equipped with USB and Type C ports, measuring voltage and remaining capacity of lithium batteries. 2、Power Off Memory Function: The battery monitor meter features power off memory function, retaining settings even after power outage, no need to reconfigure for easy operation. 3、Multiple Guard and Flashing Alarm: The battery capacity voltage tester provides reverse polarity protection. When the measured voltage is low, the screen flashes to alert the user. 4、Sealing Kit: The sealing kit of this battery capacity percentage voltage monitor includes sealing ring, gaskets, and fuses, rust resistant and anti aging for durability. 5、Versatile Application: The digital battery capacity voltage meter features multifunctional application for golf carts, cars, RVs, motorcycles, boats, distribution cabinets, showcases, PV inverters, DIY electronics projects, and more. Specification Item Type: Battery Capacity Percentage Voltage Monitor Material: PC Operating Current: < 15mA (Without charging function) Display Mode: LCD Screen Screen Color: Blue USB Output: QC2.0, QC3.0, maximum output 18W (5V-3.4A, 9V-2A, 12V-1.5A) Type C Output: QC2.0, QC3.0, maximum output 18W (5V-3.1A, 7V-2.4A, 9V-2A, 12V-1.5A) Power Off Memory: After setting the meter, no need to reset when power off and power on Package List 1 x Battery Percentage Voltage Monitor 1 x Connecting Cable