-31% 7-in-1 Bidirectional Volt Amp Meter DC 0-90V 300A Voltage Current Battery Capacity Amp-Hour Watt-Hour Power Time Monitor Tester

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Measuring Parameters: Voltage, current, power, battery capacity, amp-hour, watt-hour, time.

Voltage Measurement Range: DC 0-90V

Current Measurement Range: DC 0-300A

Voltage Measurement Accuracy: ± 2% ± 5 digits

Current Measurement Accuracy: ± 3% ± 5 digits

Display Resolution: 0.1A, 0.01V,0.01AG, 0.01H(1 min)

Measurement rate: 5 times/second

Display: 1.8 inch LCD color screen

Meter Overall Dimension: 79*43*26mm/3.11*1.69*1.02 inch

Meter Opening Hole Size: 76.5*39.2mm/3.01*1.54 inch

Hall Sensor Size: 57*32*50mm/2.24*1.26*1.97 inch (with screw and copper pillars)

Hall Sensor Hole Diameter: 20mm/0.79 inch

Protection Function:

OVP (Over-voltage protection): 0.01V-90V

OCP(Over-current protection): 0.1-100A

OPP(Over-power protection): 0.01W-9.99KW

LOP(Low-voltage protection): 0.01V-90V

OAH(Over-charge protection): 0.01AH-9999AH

OFT(Over-time protection): 1min-99hour59min


  1. 7-IN-1 MULTIMETER --- The panel tests and shows DC voltage (range: 0-300V), current (range: 0-100A), power, battery capacity, amp-hour, watt-hour and time simultaneously on its clear easy to read LCD color screen.
  2. WIDE APPLICATION --- The multifunctional detector can be used as battery charge-discharge tester, meter for automobile and car battery, battery capacity monitor for photovoltaic system, voltage meter, current meter, power meter, etc. And will be much more convenient with the extra 1 meter shielding wire.
  3. BIDIRECTIONAL AMMETER --- The multimeter can detect current in dual direction without changing the wiring direction when being used for monitoring charging or discharging.
  4. SAFER USE --- With various protections: over-voltage protection, over-current protection, over-power protection, over-charged protection, time limitation, etc. It will be a safer tester for you to enjoy your work.
  5. OTHER FEATURES --- LCD color display; AH power off memorized function; Time & AH resettable; Calibration function; Automatically/manually switch off LCD screen; Connect the volt amp meter to a relay to use the output control button to enable/disable output. NOTE: This multimeter doesn’t contain a relay.


  • As battery charge-discharge monitor for electric car;
  • As battery power energy level indicator for photovoltaic system;
  • As battery voltage current power tester meter.

Other Function:

AH power off memorized function;

Time & AH reset function;

Calibration function;

LCD screen can be switched off automatically or manually.

With output control button to enable/disable output (requires a relay).

Package Includes:

1x Charge-Discharge Monitor

1x Hall Sensor

1x 50cm Shielding Wire

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7-in-1 Bidirectional Volt Amp Meter DC 0-90V 300A Voltage Current Battery Capacity Amp-Hour Watt-Hour Power Time Monitor Tester

  • Brand: Drok
  • Product Code: 200536
  • Availability: In Stock
  • $33.99
  • $23.42
  • Bulk Buy Discounts. Buy more please contact us