The Dual Pro RS3 is a rugged marine-grade battery charger designed for boats, runabouts, and other watercraft. With three independent 6-amp banks delivering a total of 18 amps, it keeps multiple batteries charged and ready for reliable starts and long life.
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Three independent 6-AMP banks: Independent charging paths for simultaneous, isolated charging of multiple batteries.
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Total output 18 Amps: Combined 18-amp capacity to quickly restore charge across all connected banks.
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Battery compatibility: Designed for Lead Acid (Wet Cell), AGM, and most Lithium batteries* (Always verify with PCS before using with Lithium batteries).
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Marine-ready design: Rugged, waterproof construction suitable for fresh and salt water; meets ISO 8846 Marine standards and ignition protection (USCG 33 CFR 183.410).
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Automatic maintenance: Fully automatic charging with a float maintenance mode to keep batteries topped off without overcharging.
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Independent outputs: 3 isolated charging circuits allow flexible configurations for different battery types or systems.
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Safety and compliance: Reverse polarity protection and FCC interference compliance; no installation restrictions.
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Ready-to-use cables: Includes 6 ft DC charge cables and a 6 ft AC power cord for immediate setup.
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Voltage range: Supports 12V–36V battery systems.
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Physical specs: Weight 7.0 lbs per unit; Size per unit 3.0" x 6.5" x 10.25".
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Warranty: Two-year warranty for peace of mind.
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Series: RealPRO Series — affordable, safe, and easy to use for everyday charging needs.
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Applications: Suitable for bass boats, runabouts, pontoon boats, other watercraft, automobiles, ATVs, golf carts, and more.
The RS3 delivers dependable, automatic charging across multiple batteries without cross-channel interference, making it ideal for anglers, boat owners, and outdoor enthusiasts who rely on consistent starts and extended battery life. Its marine-ready build withstands harsh conditions while offering simple, maintenance-free operation and versatile 12V–36V compatibility. With included cables and a compact footprint, you can set up and charge right away, backed by a two-year warranty.
| Model |
RS3 |
| Description |
Three 6 AMP Banks |
| Total Output |
18 Amps |
| Weight Per Unit |
7.0 lbs |
| Size Per Unit |
3.0" x 6.5" x 10.25" |
| Reverse Polarity |
Yes |
| Float Stage Maintenance |
Yes |
| Independent Outputs |
Yes |
| Battery System |
12V-36V |
