Power your boat with the ProMariner ProNautic 1240P 3-Bank 40 Amp Battery Charger. Designed for 12V systems and built to endure on water, this digital charging platform delivers precise, programmable power for multiple batteries, helping you spend more time enjoying the water and less time worrying about battery health.
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12 selectable charging profiles with fingertip selection — tailor charging to your battery type and condition for optimal performance.
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Up to 40A total output across three banks, ensuring fast, efficient charging while protecting battery life.
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100-240VAC input with global auto-ranging capability — ready for use anywhere you roam.
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Power Factor Correction and Distributed On Demand Technology optimize energy use and charging availability where you need it most.
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Digital self-calculating absorption and battery health re-conditioning mode continuously optimize charging, restore capacity, and extend battery life.
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Conservation Energy Saver Mode minimizes standby drain when batteries are healthy and fully charged.
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Service and Fault Mode LED indicators keep you informed at a glance of system status and issues.
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Automatic fan speed control and automatic temperature compensation deliver safe, efficient performance in varying conditions.
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Built-in safety features and a robust design trusted by boaters worldwide; recognized with the 2010 IBEX Innovation Award.
- Part of the Generation 3 ProMar Digital Performance Charging Platform, combining digital control with software-based power conversion for modern boats.
- Designed to support 12-volt electronics onboard power, sail, cruising and sport fishing boats — effectively addressing today’s battery demands.
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Twelve digitally-controlled performance charging profiles ensure batteries are fully charged, conditioned, maintained, and re-conditioned, maximizing reserve power and longevity.
- Compact, space-saving footprint with dimensions 10.25" x 8.5" x 3.5" and reliable operation in demanding marine environments.
Specifications:
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Output: 12VDC
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Output Amps: 40
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Banks: 3
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Input Voltage: 100-240V AC
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Cycles: 50/60 Hz
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Dimensions: 10.25" x 8.5" x 3.5"
| Output Voltage |
12VDC |
| Output Amps |
40 |
| Banks |
3 |
| Input Voltage |
100-240 Autoranging |
| Cycles |
50/60 |
| Dimensions |
10.25" x 8.5" x 3.5" |
