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Red steel box with analog meter, rocker switch, heavy clamps, rubber handle

Schumacher BT-100 6V/12V Battery Load Tester

SKU CH-KW9Q-D4BXC

Performs battery analysis, charging-system and starter-motor tests on 6V and 12V units up to 1000 cranking amps with 50-amp and 100-amp load steps

  • Team affiliation1 Piece
  • Key featuresBT-100 battery load tester, CSA, Battery Powered, false
  • Overall height37.6 L x 17.3 W x 9.4 H inches
  • Overall width37.6 L x 17.3 W x 9.4 H inches
  • Overall length37.6 L x 17.3 W x 9.4 H inches
  • Product weight2 lb (0.91 kg)
  • Performs battery, charging and starter tests in one tool
  • Tests 6V and 12V batteries up to 1000 cranking amps
  • Works with motorcycles, cars, boats, light trucks and RVs
  • Top-mounted rocker switch and clear-view meter give instant readings
  • Steel case with baked enamel finish and heavy-duty clamps for durability

Diagnostic Tool for 6V and 12V Batteries

The Schumacher BT-100 performs three distinct tests with one device: battery analysis, charging system diagnosis, and starter motor evaluation. It safely tests batteries up to 1000 cranking amps using a 50-amp load for 6V and a 100-amp load for 12V systems. The unit suits gas and diesel vehicles including motorcycles, ATVs, lawn tractors, cars, boats, light trucks, and RVs. A top-mounted rocker switch provides simple one-finger control during the diagnostic process.

Heavy-Duty Clamps and Steel Case

Heavy-duty clamps connect securely to both top- and side-terminal batteries, ensuring superior conductivity for accurate readings. The durable steel case features a baked enamel shell that withstands tough workshop or garage use. A rubber-insulated carrying handle allows comfortable transport between jobs. The clear-view meter face is shock resistant and brightly lit for easy reading of test results in various lighting conditions.

Verify Battery Voltage and Terminal Type

Before ordering, confirm the battery voltage matches the 6V or 12V testing capability of this unit. Check whether the target batteries use top terminals or side terminals to ensure the supplied clamps are compatible. The tester is battery powered and requires no external power source, so ensure the internal battery is functional for immediate use. This tool does not suit batteries exceeding 1000 cranking amps.

How it compares

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

Price $69.99
Pricier than about 87% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameSchumacher
Product typeVoltmeter
Size & build
Overall height37.6 L x 17.3 W x 9.4 H inches
Overall width37.6 L x 17.3 W x 9.4 H inches
Overall length37.6 L x 17.3 W x 9.4 H inches
Product weight2 lb (0.91 kg)
More details
Team affiliation1 Piece

Questions about this item

What parts of the BT-100 will need replacement over time?

The heavy-duty clamps and rocker switch are the main wear items; the steel case and baked enamel finish are built for long service.

What limit appears first during repeated 12V tests?

The 100-amp load test is the maximum rating; running consecutive tests at that level will hit the thermal limit of the internal load element first.

How much heat and noise does the tester produce during a full day of use?

The unit is battery powered with no fan, so it runs silently; only the load element warms during the 50-amp 6V or 100-amp 12V tests.

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