The Battery Tender® 4 AMP battery charger is a versatile maintenance tool for your garage. Charge Lithium or Lead Acid batteries at 12 volts or 6 volts with one charge. Mountable, and ready to go, this charger will save you time and money over the life of your vehicles.
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I give a demonstration and go over details on this great battery charger/maintainer sold at Costco.
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