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Watt Meter and Power Analyzer Specifications Dimensions 85mm x 42mm x 25mm Display Type Backlit LCD Display Operation Voltage 4.8V - 60V Measures Range 0 - 130A, resolution 0.01A 0 - 60A, resolution 0.01V 0 - 6554W, resolution 0.1W 0 - 65Ah, resolution 0.001Ah 0 - 6554Wh, resolution 0.1Wh Features Measures Eight parameters key to electric power safety & performance, Use it to: Prevent peak currents damaging battery, motor control, motors, wiring and connectors. Verify sufficient operating voltage under load. Set cutoff voltages, check battery capacity & health. Balance battery cells. Confirm proper battery charger operation. Detect receiver and actual operating current so as to make sure whether an UBEC is needed. Item Packing 100% Brand New and Full Packing 1 x G.T.POWER Precision Walt Meter and Power Analyzer