Specification Model PZEM 015 USB Product Name Multifunctional Battery TesterVoltage Testing Range 8 120V Current Testing Range 50A 500A external shunt adjustable Power Testing Range 0 60KW Capacity 0 999AhEnergy 0 9999kWh Features 1 Comprehensive Measurements Monitors voltage current power energy capacity impedance state of charge SOC and running time on a single clear LCD 2 High Accuracy Measurement accuracy of 1 across voltage current power and capacity for reliable diagnostics 3 360° Full View LCD STN blue film display ensures easy readability from any angle 4 USB Connectivity Equipped with a USB interface for convenient data connection 5 Flexible Current Range Settings Supports default of 100A adjustable across six ranges 50A 100A 200A 300A 400A 500A using external shunts Package Includes 1 x PZEM 015 USB Multifunctional Battery Tester1 x 0 5M USB Cable1 x External Shunt optional for 100A 200A 300A 400A 500A 1 x 2M OT8 Cable