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Handheld battery tester with digital display and copper clamp leads

LOERUMG 12V 24V Battery Tester 100-2000CCA electrical system tool

SKU CH-K1SJ-3S0BN

Tests 12 V and 24 V batteries from 100 to 2000 CCA, plus starter and alternator systems, with a compact 3.3 × 1.2 × 6.1 in, 0.9 lb design

  • FeaturesBattery Tester, Vehicle, false
  • Height3.3 L x 1.2 W x 6.1 H inches
  • Width3.3 L x 1.2 W x 6.1 H inches
  • Length3.3 L x 1.2 W x 6.1 H inches
  • Weight0.9 pounds
  • Sports Team1 Piece
  • Tests 12V and 24V batteries from 100 to 2000 CCA
  • Shows health, charge state, and cranking data on one screen
  • Checks alternator output and starter cranking condition
  • Polarity and short-circuit protection keeps you and the vehicle safe
  • Compact 3.3 by 1.2 by 6.1 inch design weighs .9 pounds

Handheld 12 V / 24 V battery analyser

The LOERUMG tester checks 12 V and 24 V lead-acid batteries from 100 to 2000 CCA. It works on regular flooded, AGM flat-plate, AGM spiral and gel cells found in cars, trucks, motorcycles, boats and other 12 V or 24 V systems. The unit weighs .9 lb and measures 3.3 L x 1.2 W x 6.1 H inches for one-hand use.

Passive operation draws minimal current

During a normal test the analyser powers itself from the battery under test, so no external supply is needed. Copper clamp leads with polarity and short-circuit protection keep the connection safe while the device reads voltage, state of charge and state of health. The small footprint keeps cable routing simple in tight engine bays.

Continuous cranking and charging cycles

Under sustained load the tool repeats cranking-voltage capture and alternator-output checks without a cool-down pause. It tracks loaded voltage, cranking time and charging current across multiple cycles to reveal weak cells or regulator faults that a single burst test would miss.

Highlights

  • Tests 12V and 24V batteries from 100 to 2000 CCA
  • Shows health, charge state, and cranking data on one screen
  • Checks alternator output and starter cranking condition
  • Polarity and short-circuit protection keeps you and the vehicle safe
  • Compact 3.3 by 1.2 by 6.1 inch design weighs .9 pounds

Specifications

BrandLOERUMG
FeaturesBattery Tester, Vehicle, false
Height3.3 L x 1.2 W x 6.1 H inches
Width3.3 L x 1.2 W x 6.1 H inches
Length3.3 L x 1.2 W x 6.1 H inches
Weight0.9 pounds
Sports Team1 Piece
TypeVoltmeter

Questions about this item

How do I connect the copper clamps to test a 12V battery and what is the common mistake?

Clamp red to positive and black to negative on the 12V battery; the step often missed is ensuring the clamps are tight and free of corrosion before starting the 100-2000CCA test.

What maintenance will the tester itself need over time?

Keep the copper clamp tips clean and dry; store the 0.9-pound unit in its case to protect the display and avoid moisture damage to the internal circuitry.

What limit appears first during repeated cranking tests on a 24V system?

The clamps and leads heat up during sustained high-current draws, so allow cool-down periods between tests to maintain accurate CCA readings up to 2000.

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