On-Board Alternator

Item # 1821031

Alternator chargers put every ounce of power to good use. While on the water, they take your alternator's excess power and redistribute it to your trolling batteries. You get an extra boost, and better battery life. Not recommended for Lithium Batteries.

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$109.99
WARNING: Important information for California residents.
Warning: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Alternator chargers put every ounce of power to good use. While on the water, they take your alternator's excess power and redistribute it to your trolling batteries. You get an extra boost, and better battery life. Not recommended for Lithium Batteries.

  • Charge-on-the-fly: After the boat's alternator has fully charged the starting battery, this technology will reroute the alternator power to the trolling motor batteries
  • Battery Protection: Extends battery life by protecting your battery from frequent deep discharges
  • LED Indicator Lights: Inform of charge stage, maintenance mode status, error notifications and full charge
  • Waterproof Construction: All on-board chargers are built to be waterproof, shock-resistant and vibration-resistant
  • 3-Year Warranty: All battery chargers come with a full 3-year replacement warranty
  • Supported Battery Types: 12v AGM, 12v Flooded Lead Acid
DC single bank DC alternator charger 1 bank x 10 amps
Model Alternator Charger MK 1 DC - 1 bank x 10 amps
Product Code 1821031
UPC 0029402031788
As Shown MSRP
$109.99
Charger Style On-Board
Number of Banks 1
Output per Bank 10 amps
Product Weight
5 lb
Battery Type 12v AGM, 12v Flooded Lead Acid
Power Source Alternator DC
Waterproof Yes
Digital Control No