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Marine Battery Chargers in Automotive Tools & Equipment

Uses item details. Price when purchased online

Battery Tender 2 Bank Multibank Charger - 2.5 AMP (1.25 AMPs Per Bank) - Smart 12V Multi Battery Charger and Maintainer - 021-0165-DL-WH $109.95

Battery Tender 2 Bank Multibank Charger - 2.5 AMP (1.25 AMPs Per Bank) - Smart 12V Multi Battery Charger and Maintainer  - 021-0165-DL-WH
Sponsored
current price $109.95

Battery Tender 2 Bank Multibank Charger - 2.5 AMP (1.25 AMPs Per Bank) - Smart 12V Multi Battery Charger and Maintainer - 021-0165-DL-WH

4.8 out of 5 Stars. 73 reviews
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Battery Tender 800mA 12V Weather Resistant Battery Charger and Maintainer - Marine and Automotive Smart Fully Automatic for Boats Watercraft - Selectable Lead Acid Lithium - 022-0150-DL-WH $53.95

Battery Tender 800mA 12V Weather Resistant Battery Charger and Maintainer - Marine and Automotive Smart Fully Automatic for Boats Watercraft - Selectable Lead Acid Lithium  - 022-0150-DL-WH
Sponsored
current price $53.95

Battery Tender 800mA 12V Weather Resistant Battery Charger and Maintainer - Marine and Automotive Smart Fully Automatic for Boats Watercraft - Selectable Lead Acid Lithium - 022-0150-DL-WH

4.7 out of 5 Stars. 84 reviews
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Battery Tender 12 Volt , 5 Amp Battery Charger $104.95

Battery Tender 12 Volt , 5 Amp Battery Charger
Sponsored
current price $104.95
Options from $39.95

Battery Tender 12 Volt , 5 Amp Battery Charger

4.7 out of 5 Stars. 67 reviews
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Battery Tender 2 Bank Multibank Charger - 2.5 AMP (1.25 AMPs Per Bank) - Smart 12V Multi Battery Charger and Maintainer - 021-0165-DL-WH $109.95

Battery Tender 2 Bank Multibank Charger - 2.5 AMP (1.25 AMPs Per Bank) - Smart 12V Multi Battery Charger and Maintainer  - 021-0165-DL-WH
current price $109.95

Battery Tender 2 Bank Multibank Charger - 2.5 AMP (1.25 AMPs Per Bank) - Smart 12V Multi Battery Charger and Maintainer - 021-0165-DL-WH

4.8 out of 5 Stars. 73 reviews
Save with
Walmart Plus
Free shipping, arrives tomorrow

Battery Tender 800mA 12V Weather Resistant Battery Charger and Maintainer - Marine and Automotive Smart Fully Automatic for Boats Watercraft - Selectable Lead Acid Lithium - 022-0150-DL-WH $53.95

Battery Tender 800mA 12V Weather Resistant Battery Charger and Maintainer - Marine and Automotive Smart Fully Automatic for Boats Watercraft - Selectable Lead Acid Lithium  - 022-0150-DL-WH
current price $53.95

Battery Tender 800mA 12V Weather Resistant Battery Charger and Maintainer - Marine and Automotive Smart Fully Automatic for Boats Watercraft - Selectable Lead Acid Lithium - 022-0150-DL-WH

4.7 out of 5 Stars. 84 reviews
Save with
Walmart Plus
Free shipping, arrives tomorrow

Attwood Battery Charger $55.53

Attwood Battery Charger
current price $55.53

Attwood Battery Charger

3.6 out of 5 Stars. 10 reviews
Free shipping, arrives in 3+ days

Marinco Guest Chargepro 12V 5 Amps 120V Fully Automatic Automotive Battery Charger $108.43

Marinco Guest Chargepro 12V 5 Amps 120V Fully Automatic Automotive Battery Charger
Available in additional 6 options
current price $108.43
Options from $102.88

Marinco Guest Chargepro 12V 5 Amps 120V Fully Automatic Automotive Battery Charger

3.5 out of 5 Stars. 13 reviews
Free shipping, arrives in 3+ days

ProMariner 44001 Prosport 1.5 Amp 12V Marine Battery Maintainer & Charger $38.94

ProMariner 44001 Prosport 1.5 Amp 12V Marine Battery Maintainer & Charger
current price $38.94

ProMariner 44001 Prosport 1.5 Amp 12V Marine Battery Maintainer & Charger

4 out of 5 Stars. 4 reviews
Free shipping, arrives Sat, Feb 28

Battery Tender Junior 8V 1.25A Charger & Maintainer for Lead-Acid & AGM Batteries $39.95

Battery Tender Junior 8V 1.25A Charger & Maintainer for Lead-Acid & AGM Batteries
Available in additional 5 sizes
current price $39.95
Options from $39.95 – $104.95

Battery Tender Junior 8V 1.25A Charger & Maintainer for Lead-Acid & AGM Batteries

4.7 out of 5 Stars. 67 reviews
Free shipping, arrives in 3+ days

ProMariner ProNautic P Digital Performance Charger 12V, 15A $432.99

ProMariner ProNautic P Digital Performance Charger 12V, 15A
current price $432.99

ProMariner ProNautic P Digital Performance Charger 12V, 15A

Free shipping, arrives Fri, Feb 27

ProMariner ProNautic P Digital Performance Charger 24V $645.64

ProMariner ProNautic P Digital Performance Charger 24V
Available in additional 2 options
current price $645.64
Options from $645.64 – $936.45

ProMariner ProNautic P Digital Performance Charger 24V

Free shipping, arrives in 3+ days

ProMariner ProTrnElit 52024 24 Amps 12/24V Waterproof Automotive Battery Charger $331.99

ProMariner ProTrnElit 52024 24 Amps 12/24V Waterproof Automotive Battery Charger
current price $331.99

ProMariner ProTrnElit 52024 24 Amps 12/24V Waterproof Automotive Battery Charger

Free shipping, arrives in 3+ days

ProMariner ProNautic 1250P 63150 $839.95 Was $892.81

ProMariner ProNautic 1250P 63150
current price Now $839.95, Was $892.81

ProMariner ProNautic 1250P 63150

Free shipping, arrives in 3+ days

FAQ

How do I choose the right charger for my marine battery?

Choosing the right charger for your marine battery depends on several factors:

  • Battery Type: Identify if your battery is lead acid, AGM, or lithium ion, as chargers are often designed for specific types.
  • Voltage: Most marine batteries are 12V, so select a charger compatible with this voltage.
  • Amperage: Consider the charger's amp output; lower amps (around 1-5 amps) are good for maintenance, while higher amps charge batteries faster.
  • Multi-bank Chargers: If you have multiple batteries, a multi-bank charger can charge and maintain them simultaneously.

Looking for a smart charger with automatic features can help protect your battery from overcharging and extend its life.

What's the best way to maintain a marine battery during off-season storage?

Proper maintenance during off-season storage helps keep your marine battery healthy. Here are some tips:

  • Use a Battery Maintainer: Connect a smart marine battery charger or maintainer that provides a low, steady charge to prevent discharge.
  • Keep It Clean: Ensure battery terminals are clean and free from corrosion.
  • Store in a Cool, Dry Place: Avoid extreme temperatures which can damage the battery.
  • Disconnect the Battery: If possible, disconnect the battery from the boat to avoid parasitic drain.

Following these steps can help preserve battery life and readiness for your next boating season.

Can I use a regular car charger for my marine battery?

While a regular car charger might work with some marine batteries, it's generally better to use a charger designed specifically for marine batteries. Marine batteries often require chargers that can handle different battery types like deep cycle or AGM and provide multi-stage charging to avoid damage.

Using a marine-specific charger can offer features like weather resistance and smart charging modes that protect your battery's health. If you do use a car charger, ensure it matches your battery's voltage and type, and monitor the charging process carefully to avoid overcharging.

How many amps do I need to charge a 12-volt marine battery effectively?

The ideal charging amperage for a 12-volt marine battery depends on the battery's capacity and how quickly you want to charge it:

  • Slow Charging: Around 1 to 3 amps is suitable for maintaining and slowly charging the battery, which helps extend battery life.
  • Faster Charging: Chargers with 5 amps or more can recharge a battery quicker but may generate more heat, so they should be used carefully.

Using a smart charger that adjusts amperage automatically can provide a balanced approach, protecting the battery while ensuring it's charged efficiently.

What features should I look for in a marine battery charger?

When selecting a marine battery charger, consider these key features to get the most value and protection for your battery:

  • Smart Charging: Chargers with automatic multi-stage charging adjust voltage and current to optimize battery health.
  • Weather Resistance: A weatherproof or water-resistant design is important for marine environments.
  • Multi-Bank Capability: If you have multiple batteries, a charger that can handle several banks independently is useful.
  • Compatibility: Ensure the charger supports your battery type, whether lead acid, AGM, or lithium ion.
  • Safety Features: Look for protections against overcharging, reverse polarity, and short circuits.

These features help maintain battery performance and longevity, especially in demanding marine conditions.

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