Dual Pro SS4AUTO 40A 4-Bank Lithium/AGM Battery Charger

Dual Pro

<h3>About Dual Pro &amp; Pro Charging Systems</h3><p><strong>Dual Pro</strong> is the flagship brand of Pro Charging Systems, a privately held American company headquartered in La Vergne, Tennessee, just outside Nashville. <a href="/7323-dual-pro-battery-chargers-200141">Since 1989, Pro Charging Systems has been a recognized leader in advanced battery charging and energy management technology</a>, building a reputation for innovation and durability that has earned the trust of boaters, anglers, industrial operators, and recreational enthusiasts across the country.</p><p>The brand got its start by developing multi-bank onboard chargers specifically for the demanding marine environment &mdash; products that had to perform reliably in both fresh and saltwater conditions. That focus paid off: Dual Pro charging technology became the preferred choice of more than 50 boat manufacturers and has been adopted by professional fishermen competing on the B.A.S.S. and FLW tournament circuits. A leading boat manufacturer even recognized Pro Charging Systems as &quot;Supplier of the Year&quot; in back-to-back years.</p><h3>What Sets Dual Pro Apart</h3><p>At the heart of many Dual Pro products is <strong>DeltaVolt technology</strong> &mdash; a microprocessor-driven charging system that brings batteries to a full 100% state of charge quickly and safely, with no risk of overcharging. Multi-stage charging algorithms continuously monitor and respond to battery condition, extending cycle life by delivering exactly the right charge at the right time. LED fault code diagnostics, included since 2007, give users fast insight into any charging issues without guesswork.</p><p>Dual Pro&rsquo;s <a href="/7323-dual-pro-battery-chargers-200141">battery charger lineup</a> spans several distinct series to cover virtually every application. The <em>RealPRO Series</em> delivers fully waterproof onboard charging in 1- to 4-bank configurations, ideal for anglers and recreational boaters. The <em>Professional and Sportsman Series</em> step up the output for heavier use, with models available in standard AGM/Wet Cell and Lithium-compatible configurations. The <em>Eagle Performance Series</em> extends the brand into golf carts, low-speed vehicles, scissor lifts, and aerial equipment, covering 24V through 72V systems with connectors compatible with Club Car, Yamaha, EzGo, and major industrial lift brands.</p><p>Most core product lines &mdash; including the Professional, Sportsman, and Eagle Series &mdash; are designed and manufactured in the United States. Pro Charging Systems is a strong advocate for American-made quality, and that commitment is reflected in the durability their customers report after years of use in harsh, wet environments.</p><h3>Beyond Chargers: Monitoring &amp; Accessories</h3><p>Dual Pro&rsquo;s product range extends beyond charging into <a href="/7323-dual-pro-battery-monitors-volt-meters-200146">battery monitoring and state-of-charge gauging</a>. Their battery fuel gauges and monitoring systems are engineered to work seamlessly with Dual Pro chargers, supporting 12V to 72V lead-acid, AGM, and Lithium battery banks. Rounding out the lineup, electrical parts and accessories such as charge cable extensions offer corrosion-resistant, dual-fused connectivity that keeps a Dual Pro charging system performing at its best for years.</p><p>Whether you&rsquo;re keeping a bass boat&rsquo;s trolling motor batteries topped off between tournaments or maintaining a fleet of industrial lifts, Dual Pro has a purpose-built solution engineered to extend battery life and keep your equipment ready to work.</p>