AT528L Handheld Battery Tester Portable Digital AC Resistance Meter DC Voltage Battery Tester Condition: Item Type: Internal Resistance Tester Material: ABS+Metal Color: As shown in the picture Model AT528L Parameters AC resistance(R)，DC voltage(U) Accuracy Resistance: 0.8%±5dgt Voltage: 0.5%±5dgt Measurement Range Resistance: 0.1mΩ~200.0Ω Voltage: 1mV~50Vdc Signal Source AC: 1kHz  Open-circuit Voltage: < 30mv(Reduces damage to battery under test), Test Current：<15mA Range Automatic, Manual, Nominal with 4 ranges Speed 2 times/second Result Display ABS/PER/SEQ Maximum Reading Resistance: 3,200 Voltage: 3,000 Adjustment Short-circuit reset for each range Comparator Voltage compare separately, resistance compare separately, Voltage and resistance combination compare, GD/NG sorting result display, beep Trigger Internal, Manual, Remote  Interface Build-in Mini-USB (virtual serial port); Charging Interface; U disc Interface Others 3.5 inches true color 16M color LCD display Keypad lock and data hold function  Compatible SCPI Order Set    Switch in both Chinese and English Adjustable background light  Large capacity lithium battery to achieve long standby, automatic shutdown 500 sets of measurement data are saved with one key Power Requirement Voltage：198VAC~240VAC Frequency：50Hz Power: Maximum 15VA Dimension & Weight 264x107x350mm/10.4x4.2x13.8in(W x H x D) 1675g/59.1oz Accessories ATL501B:  4-terminal kelvin test clip ATL909: DC adaptor ATL202: Portable bag ATL804: Li- battery