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Rectangular grey tester with red and black alligator clips and a round dial display

TOPDC 100A Battery Load Tester 6V/12V 100-1000 CCA

SKU CH-RE41-NGCC6

A 100A load tester for 6V and 12V batteries measuring 100-1000 CCA with analog display and cooling vents

  • Team affiliation1 Piece
  • Key featuresBattery Tester, Battery Powered, false
  • Overall height11.8 L x 6.7 W x 3.2 H inches
  • Overall width11.8 L x 6.7 W x 3.2 H inches
  • Overall length11.8 L x 6.7 W x 3.2 H inches
  • Product weight2 lb (0.91 kg)
  • Tests 6V and 12V batteries across cars, motorcycles, RVs and boats
  • Measures Cold Cranking Amps from 100 to 1000 for accurate health checks
  • Delivers 100A load at 12V and 50A at 6V for full performance evaluation
  • Checks voltage, cranking power and charging system in one compact tool
  • Portable 11.8 x 6.7 x 3.2 inch design with cooling vents and shock‑resistant meter

100A Battery Load Tester 6V/12V

This load tester evaluates 6 V and 12 V lead-acid batteries across a 100–1000 CCA range. It applies a 100 A load at 12 V and a 50 A load at 6 V for health assessment. The analog dial shows real-time current without lag. It suits technicians and owners checking cars, motorcycles, RVs, boats and ATVs.

Verify battery voltage and terminal access

Confirm the battery is a nominal 6 V or 12 V unit; the tester reads up to 13.8 V when fully charged and activates overload protection above that level. Ensure terminals accept the heavy-duty copper alligator clips with red and black colour coding. The unit includes pre-installed test batteries and requires no external meters or adapters.

Thermals noise and power draw

Patented circular cooling vents keep internal temperature below 140 °F during extended 100 A tests; warmer casing surfaces are normal and within safety limits. Initial use may produce brief odour from protective coating evaporation — run unloaded for two to three minutes in ventilation to clear it. The analog mechanism operates silently with no fan noise.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $43.99
Pricier than about 68% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameTOPDC
Product typeAmmeter
Size & build
Overall height11.8 L x 6.7 W x 3.2 H inches
Overall width11.8 L x 6.7 W x 3.2 H inches
Overall length11.8 L x 6.7 W x 3.2 H inches
Product weight2 lb (0.91 kg)
More details
Team affiliation1 Piece

Questions about this item

What comes with the TOPDC 100A Battery Load Tester and is anything else required?

The package includes the tester with heavy-duty copper clamps and pre-installed test batteries. No external meters or adapters are needed — just connect the clamps to the battery terminals.

Should I choose the 50 A or 100 A load setting for my battery?

Use the 50 A setting for 6 V batteries and the 100 A setting for 12 V batteries. The tester handles both voltages and applies the correct load automatically for accurate CCA readings.

What does the 100-1000 CCA range tell me when the tester is connected to a real battery?

It measures the battery's cold cranking amps within that range, showing whether the battery can deliver the starting power your vehicle needs. The analog dial gives real-time current visualization during the load test.

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