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The Deka AUX14 is a small 12-volt absorbed glass mat (AGM) auxiliary battery rated at 200 cold cranking amps. It is built for secondary roles: backup power for start-stop systems, accessory circuits, and small engine starting where a full-size car battery will not fit. AGM construction makes it spill-resistant and more tolerant of repeated partial discharge than a conventional flooded battery. Compared with generic small AGM batteries, it is a known brand with a sealed, maintenance-free design, but its 200 CCA rating limits it to light-duty starting and auxiliary use.
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Lowest price we've seen: $134.99 on Nov 9 at Blain's Farm & Fleet. Tracked across 1 store since Nov 9.
