FNIRSI FNB48P 6-digit Display Tester Multifunctional Voltmeter Ammeter USB TYPE-C Charging Device Wire Detection Trigger Battery Capacity Calculation Cable Internal Resistance Measurement Tool This charging device with 1.77inch clear definition display screen, which could real-time monitor the subtle changes in voltage, current and power during charging. Dash cable detection able to read dash cable chip information, easy get wire informations. Built-in the calculation formula of battery capacity, to conveniently and fastly calculate the charging efficiency and capacity of the target object. Compatible with USB, TYPE-C, MICRO interfaces, support various quick charging protocols. Features: 6-digit Display: With high precise, 1.77inch clear definition display screen, the data is clearly at a glance. High Precise: The maximum resolution of the display is 0.00001, which could real-time monitor the subtle changes in voltage, current and power during charging. Wire Detection: Dash cable detection able to read dash cable chip information, easy get wire informations. Cable Internal Resistance Measurement: Two-step quick measurement of wire resistance with constant current load. Data Record Function: There are totally 10 groups of data can be recorded intelligently. Battery Capacity Calculation: Built-in the calculation formula of battery capacity, to conveniently and fastly calculate the charging efficiency and capacity of the target object. Four Curves Design: Four curves of voltage current curve, D D-voltage curve, offline record curve, power ripple curve (ac coupling) to meet various needs. Gravities Sensors: Auto flip, equipped with gravities sensors, which supports 180° and 360° automatic flipping (only the simple interface supports 360°). Multi-port Compatible: Compatible with USB, TYPE-C interfaces, support various quick charging protocols. BT Version(Optional): PC host BT APP driver-free installation, data management, BT APP can be viewed synchronously, and over-voltage and over-current alarms can be set. Specifications: Name: Charging Device  Material: metal Type: common version, BT version (optional) Monitor voltage: 4-24V, 0.00001V, ±(0.2%+2 Monitor current: 0-6.5A, 0.00001A, ±(0.5%+2) Monitor power: 0-156W, 0.00001W, ±(0.5%+2) Load equivalent internal resistance: 0-9999.9Ω, 0.0001Ω, ±(0.5%+2) D+/D-voltage: 0-3.3V, 0.001V, ±(1.0%+2) Equipment temperature: 1℃(±(1.2%+3))/1℉(±(1.2%+4)) Capacity: 0-9999.99Ah, 0.00001Ah Energy used: 0-9999.99Wh, 0.00001Wh Cable resistance: 0-9999.9Ω, 0.0001Ω Operation hours: 99d23h59m59s, 1s Record time: 999h59m59s, 1s  Item size: 77 * 39 * 14mm / 3.03 * 1.54 * 0.55in Package size: 100 * 50 * 30mm / 3.94 * 1.97 * 1.18in Package weight: 200g / 7.05ounce Packing List: 1 * Charging Device