The Viking 4 AMP car battery charger is fully automatic for trouble-free charging and features microprocessor technology which gives this charger the power to charge most 12v batteries including deep-cycle, gel, and AGM batteries. Fully automatic microprocessor control feature adjusts the amperage rate to charge and maintain batteries quickly and safely with one press of a button. Learn more here: https://hf.tools/www63350 | Harbor Freight
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