This is a preused ubit off a boat that was stripped down before it was sold.  It works like new.

Minn Kota MK-2-DC Dual Bank DC Alternator Charger

Charges Two Trolling Battery
LED indicators

• • Red = check connection (by battery)
  • Green = alternator power on
  • Yellow = charging trolling batteries
• Turns off when engine not in use
• Low profile extruded aluminum enclosure
• Waterproof and corrosion resistant design
• FCC compliant

serial # R270AI00034