Load switches for internal applications - do not trigger. The pointer in the red area indicates that the battery power is very low, and the battery
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In just 30 seconds, the PRO-SERIES 100 Amp Battery Tester can diagnose the complete charging system on your auto, ATV, or marine battery. The portable and easy to use design requires no outside power, and can test the starter draw, battery load and condition, plus the alternator, regulator, and more. The color-coded meter shows 50 to 100 Ah as well as the battery's remaining power.
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