STANLEY J309 Jump Starter (300 amp)

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Desulfation technology;
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12V & USB outlets to charge personal electronics;
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High-powered LED rotates 270deg ;
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Reverse-polarity alarm alerts when there is an improper connection;
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Power & charge indicator;
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All-metal powder-coated clamps;
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Built-in 120V AC charger recharges unit with standard household extension cord;
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ETL listed;
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300A instant-starting power;
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600A peak;
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ENERGY STAR(R);
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Digital technology;
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Interactive packaging;