The emphasizes that this is not a dumb charger. Step 1 is Desulfation (pulsing voltage to break down crystalized lead sulfate). Step 5 is Maintenance (float mode). If your battery is deeply discharged (below 3V), the charger may not enter Step 1—the manual explains how to bypass this using the "Battery Rescue" mode, if equipped.
: Plug the charger into a grounded 120V AC outlet last to begin charging. Disconnecting autocraft battery charger ac-60cr manual
: Offers a 10-amp fast charge for standard automotive batteries and a 2-amp trickle charge for smaller batteries (motorcycles, lawn tractors) or long-term maintenance. The emphasizes that this is not a dumb charger
Since Autocraft is a house brand, check the website of the retailer you bought it from. Look for a "Product Support" or "Manuals" link on the product page. If your battery is deeply discharged (below 3V),