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15A 12V 3-Bank On-Board Marine Sequential Battery Charger

Ideal for marine deep-cycle batteries

When out on the water, the last thing mariners want to deal with is a dead battery. The SC1389 from Schumacher Electric is ideal for marine deep-cycle boat batteries, keeping boats charged when sailors need it the most. With 15A and 12V of output, this on-board marine battery charger can charge up to three batteries sequentially and can be permanently mounted for convenience. The SC1389 is microprocessor controlled to automatically adjust the amperage rate when charging and maintaining batteries.

Additional features include:

  • Easy push-button controls
  • Multi-stage charging to maximize battery charge, health, and lifespan
  • Float-mode monitoring to automatically maintain the optimum battery charge and prevent overcharging
  • Reverse hook-up protection that stops the charger from operating if the connections are reversed
  • 6-foot input and output cables
  • Meets the highest industry standards for energy efficiency
  • One-year warranty

Contents include: Schumacher SC1389 Charger, ring terminal connectors (3), and user manual



Product Specifications

Weight: 2.25 lb
Width: 10.5 in
Depth: 13 in
Height: 3.5 in
Input Current: 3.7A
Input Voltage: 120V
Output Current: 15A
Output Voltage: 12V DC
Output Voltage Icon: 12V
Safety Certifications: UL
Battery Type: Standard,AGM,Gel,Deep-Cycle
Lifestyles: Boating Camping
Pro/Consumer: Consumer

Product Manuals/Tutorials

These manual(s) will explain how to use the product safely and effectively.

Manual 0099002085E-R0


Manual 0099002264E-R0


Manual 0099002264E-R1


YouTube video tutorial