The 10 Best Marine Battery Chargers

This review has been updated 13 times since it was first published in July of 2018. There’s nothing worse than getting out to the lake after a long week, only to find your boat won’t start. Having one of these marine battery chargers onboard, however, will keep your craft juiced up and ready to go at all times. For safety, always handle your battery with caution by wearing protective gear, and following manufacturer guidelines on proper use and charging. When users buy our independently chosen editorial picks, we may earn commissions to help fund the review.

Editor's Choices
Top 10 Marine Battery Chargers

10. Guest 2606A

  • Shockproof design
  • Comes with alligator clips
  • Power cord is pretty short

9. Noco Genius G3500 UltraSafe

  • Bright indicator lights
  • A budget-friendly choice
  • Included clamps are weak

8. BMK BlueMickey

  • Resistant to corrosion
  • Lightweight and highly portable
  • Gets hot with extended use

7. Black+Decker BC2WBD

  • Hanging hook and magnetic backing
  • Mounting brackets included
  • User manual isn't very intuitive

6. Minn Kota On-Board 330D

  • Clear and helpful instructions
  • Six-foot cables
  • Very heavy and bulky

5. Noco Genius GENM3

  • Subjected to rigorous testing
  • Reverse polarity protection
  • Meets etl safety requirements

4. ProMariner 43012 ProSport

  • Completely waterproof
  • Prewired for a simple installation
  • Backed by a 2-year warranty

3. Guest ChargePro

  • Clear led display
  • Stays cool while in operation
  • Also works well in rvs

2. ProMariner Pro Nautic 1250

  • Automatic fan speed control
  • Low harmonic distortion
  • Ce safety certified

1. Minn Kota Precision

  • Red indicator warning light
  • Protective ac plug holder
  • Can be mounted easily

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