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08.30.2020 8 common-questions-about-marine-battery-chargers

08.30.2020 8 common-questions-about-marine-battery-chargers

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Choosing the right marine battery charger can be tricky. In this powerpoint we answer 8 common questions about marine batteries, their chargers, and more.

Learn more about marine battery chargers, deep-cycle batteries, and other boating needs at https://diy-boat.com/

Choosing the right marine battery charger can be tricky. In this powerpoint we answer 8 common questions about marine batteries, their chargers, and more.

Learn more about marine battery chargers, deep-cycle batteries, and other boating needs at https://diy-boat.com/

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08.30.2020 8 common-questions-about-marine-battery-chargers

  1. 1. Brought to you by DIY-BOAT.com 1
  2. 2. What are the best charger brands?  NOCO and Dual Pro are two of the most well-known and most reputable brands when it comes to battery chargers.Technical specifications and customer support are always readily available and the build quality of these products is fantastic.  Some other brands to consider include: • MinnKota • Promariner • ProSport  Batteries are expensive, so you do not want to skimp on a cheap charger that could ruin them.Think of it like tires on a car. A good pair of tires is well worth the money if you’ve spent any significant amount of money on the car itself.You wouldn’t want to put the cheapest tires on a new Corvette.  Avoid any no-name brands on Amazon. Many of these are inferior Chinese designs that could ruin your battery or start a fire.  Learn more about best the chargers on the market today at https://DIY-BOAT.com 2
  3. 3. What type of battery charger do I need?  For a starting or SLI battery, almost any charger on the market will work. If you are charging a deep-cycle battery, you will need a charger that is a phased charger and provides enough amperage to charge in your desired time.  Be sure to check the voltage matches your battery or battery bank connections.  Learn more about best the chargers on the market today at https://DIY-BOAT.com 3
  4. 4. How long does a marine battery hold a charge?  A marine battery can hold a ‘full charge’ for several months before needing to be re-charged.  This depends heavily on battery type and the environment, but most modern batteries less only 1-3% of the overall charge every month if not connected to anything. Lead-Acid batteries will lose their charge quickly if left unattended for several weeks. 4
  5. 5. How does an onboard marine battery charger work?  An onboard marine battery charger allows you to leave the charger connected to the batteries while you’re out on the water.  Then once you are back on shore, there is only a singleconnection point for you to plug in to charge all the batteries. 5
  6. 6. What amp to charge a marine battery?  The higher the amperage of the charger, the faster your batteries will charge.A 10-amp charger will usually suffice for an overnight charge of a 100Ah battery that reaches a 20% depth of discharge. 6
  7. 7. How long does it take to charge a marine battery?  Charge time depends on the battery size and the amperage of the charger. For a 100Ah battery that reaches a 20% depth of discharge, it will take a 10-amp charger about 9.2 hours to bring the battery back to full-capacity.  You can learn more about charge times and their relation to battery size at DIY- BOAT.com 7
  8. 8. How do you charge a marine battery at home?  To charge a marine battery at home, you need to purchase a battery charger that offers phased charging.This is ideal for deep-cycle batteries. For starting, or SLI batteries, you can use any charger to charge the battery. 8
  9. 9. How do you trickle charge a marine battery?  To trickle charge a marine battery you need a phased, trickle, or deep-cycle specific charger.These charges have the capability to detect the battery’s capacity and turn on or off based on its capacity.The charger will safely allow your battery to hover between ~90%-100%. 9
  10. 10. Where can I learn more?  Visit DIY-BOAT.com to learn more about all of your battery and boat needs! 10

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