The Dual Pro SS4AUTO is a professional-grade 40-amp, 4-bank waterproof marine battery charger featuring AutoProfile Intuitive Charging Technology that automatically detects and optimally charges both Lithium and AGM batteries. Each of the four independent 10-amp banks outputs 12 volts and is designed for batteries up to Group 31 size (approximately 130 AH). The charger can be configured for four 12V banks, two 24V battery banks, one 36V, or one 48V battery bank—ideal for 36-volt trolling motor systems with an additional starting battery, or 24-volt systems with two starting batteries.
AutoProfile Technology:
- Automatically detects whether batteries are Lithium, AGM, or FLA and adjusts charging accordingly
- Fully automatic charging for both AGM and lithium batteries
- Algorithms designed and validated with battery manufacturers for 100% charge
- Startup feature wakes up batteries that have turned off due to low voltage protection
- Auto return to charge feature
- Fastest charge times in its class
Built for Marine Environments:
- Waterproof design for use in fresh or saltwater
- Fully automatic, overcharge protected, and temperature compensating
- Independent outputs for multi-stage charging
- On-board diagnostic codes with LED indicators
- Zero spark technology with reverse polarity protection
- No installation restrictions
Certifications & Warranty:
- FCC 15 Parts A & B interference compliant
- Approved and meets ISO 8846 Marine standards
- Ignition protected (US Coast Guard 33 CFR 183.410)
- Made in the USA
- 3-Year manufacturer warranty
Professional and Sportsman Series chargers have set the standard in the marine industry for more than two decades, known as the safest, most reliable, and best performing chargers in the industry. Perfect for boats, RVs, golf carts, and utility vehicles requiring multi-battery charging systems.
Note: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
