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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
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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
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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.
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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.
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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.
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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
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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.
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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%.
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Where can I learn more?
 Visit DIY-BOAT.com to learn more about all of your battery and boat needs!
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