Meet the Dual Pro SS3 Battery Charger — a rugged, marine-grade three-bank charger delivering a total of 30 amps (three 10-amp banks) to keep your boat’s batteries ready for action. Built for reliability, the SS3 is approved for Wet Cell and AGM batteries, with Gelled electrolyte models also available, and is designed for use in both fresh and saltwater environments.

Engineered for demanding marine use, this charger features independent outputs, fully automatic multi-stage charging, and zero spark technology for safe, maintenance-free operation. Temperature compensation and advanced microprocessor control ensure optimized charging across a range of conditions, while battery maintenance mode helps extend battery life between trips.

Key features

• Three 10 Amp Banks (Total Output 30 Amps) for fast, simultaneous charging of multiple batteries
• Independent outputs prevent cross-charging and allow tailored charging to each bank
• Fully automatic / multi-stage charging with smart switchovers for safety and efficiency
• Zero spark technology and reverse polarity protection for worry-free connections
• Temperature compensated charging guided by an advanced microprocessor
• LED indicators clearly display the state of charge and system status
• On-board diagnostic codes facilitate quick troubleshooting
• Battery maintenance mode to preserve charged batteries during idle periods
• Weatherproof, rugged construction designed for marine environments
• Ignition protected (USCG 33 CFR 183.410) for added safety on vessels
• FCC Part 15 A&B interference compliant to minimize electronic noise
• Designed for 12V–48V battery systems to cover a wide range of vessels
• Marine-grade compliance with ISO 8846 standards
• No installation restrictions for flexible setup on boats
• Connections DC charge cables = 5 ft. and AC power cord = 3 ft.
• Dimensions per unit: 4.75" H x 8.00" W x 11.25" L; Weight per unit: 15.5 lbs
• Battery systems available: 12V — 48V

Trusted by boat manufacturers, dealers, and more than 750,000 customers nationwide, the Dual Pro SS3 combines safety, reliability, and ease of use with smart diagnostics and clear indicators. Upgrade your on-board charging with a proven solution that keeps your batteries ready when you head out to sea or into the marina.