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Neiko Car Battery Tester$29.99
Suitable for 6 and 12 volt batteries. Fixed load current - 100 AMP. 100 AMP Load Test for 12V batteries up to 1,000 CCA.
50 AMP Load Test for 6V batteries up to 1,000 CCA. Hold load on 10 seconds, with test cycle of 10 seconds per test with 1 minute cool down, and 3 tests within 5 minutes maximum.