Testing Big Boat Batteries with the 500 Amp Tester from Harbor Freight
Chicago Electric 500 Amp Tester from Harbor Freight Tools. Opening video clip of the Billfish Tournament Boats in the marina getting ready to head out into the Gulf of Mexico. Tested the batteries on a 37ft boat with twin 454 gas engines. The battery bank tested had four 12 volt EverStart 29DC deep cycle batteries from Walmart.
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