Charge-Discharge Monitor, DROK 0-90V 100A DC Ammeter Voltmeter Battery Capacity Amp-Hour Watt-Hour Power Time Multimeter LCD Display Digital Voltage Current AH WH Watt Monitor Tester with Hall Sensor

Price: $29.99
Product prices and availability are accurate as of 2022-08-11 09:35:26 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
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Product Features

7-IN-1 MULTIMETER --- measure and display voltage (0-90V), current (0-100A), power, battery capacity, amp-hour, watt-hour and time simultaneously. APPLICATION --- can be used as battery charge-discharge tester meter for automobile and car battery; as battery capacity monitor for photovoltaic system; as voltage meter, current meter, power meter, etc. BIDIRECTIONAL AMMETER --- the multimeter can detect current in dual direction without changing the wiring direction when used for monitoring charging and discharging. PROTECTION --- over-voltage protection, over-current protection, over-power protection, over-charged protection, time limitation, etc. OTHER FEATURES --- LCD color display; AH power off memorized function; time & AH resettable; calibration function; automatically/manually switch off LCD screen; with output control button to enable/disable output (requires a relay).