Diehard 71321 manual

Manual also says it has desulfation mode which automatically engages if necessary. Unit also looks similar to a 2 amp Schumacher branded charger, probably madeDieHard 6A Shelf Battery Charger (meets CA or OR SPEC). SKU: 028071321000 | Item: 02871321 | Model: 71321 | Owner's Manual - Spanish (Warranty). DieHard 71321. Manuals and User Guides for DieHard 71321. We found 2 manuals for free downloads: Owner's manual. DieHard 71321 Owner's manual.