<h4><b>Is your battery system showing physical abnormalities?</b></h4><p>Bulging on the side usually indicates the battery has been frozen, causing permanent damage to its internal components and performance capabilities.</p><hr /><p>Any crack, hole or damage to the battery casing requires immediate replacement. Loose or broken posts indicate a serious, irreversible battery condition.</p><hr /><p>Excessive, ongoing corrosion on the posts or connections that occurs continuously, despite regular cleaning, is often an indication of impending battery failure and/or permanent underperformance.</p>