Battery Tender Chargers for Marine Applications

Battery Mart is proud to offer top-quality Battery Tender battery chargers to maintain and charge your boat batteries. Battery Tender is known for durable construction, high value, reliability, and plug-and-play easy of use.

The most popular Battery Tender for marine applications is the Battery Tender 12V, 5 Amp charger (Item # 022-0157-1). Deltran, the manufacturer, has built in many great features into this charger, including water-resistance, so it is sure to hold up in harsh marine environments. It mounts directly on to your boat, so there is no need to carry the charger or set it up each time your battery needs to be charged or maintained. Browse battery chargers for boats below.

Battery Tender 12 Volt 800 mA Waterproof Battery Charger (California Compliant)

Battery Tender 12 Volt 800 mA Waterproof Battery Charger (California Compliant)

Item #: 022-0150-DL-WH
12 Volt / 800 mA
• Dimensions: 3.4" / 2.4" / 1.4"
• Warranty: 3 Year
Price: $44.95
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Battery Tender 6/12 Volt, 3 Amp Power Plus!

Battery Tender 6/12 Volt, 3 Amp Power Plus!

Item #: 022-0202-DL-WH
6/12 Volt / 3 Amp
• Dimensions: 6.8" / 3.68" / 1.96"
• Warranty: 5 Year
Price: $64.95
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Battery Tender 12 Volt 5 Amp High-Efficiency Battery Charger (California Compliant)

Battery Tender 12 Volt 5 Amp High-Efficiency Battery Charger (California Compliant)

Item #: 022-0186G-DL-WH
12 Volt / 5 Amp
• Dimensions: 8.3" / 4" / 2.4"
• Warranty: 5 Year
Price: $84.95
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Battery Tender 12V/24V, 5A/2.5A Selectable Chemistry Battery Charger

Battery Tender 12V/24V, 5A/2.5A Selectable Chemistry Battery Charger

Item #: 022-0258-DL-WH
12/24 Volt / 5 Amp (12V) / 2.5 Amp (24V)
• Dimensions: 11.33" / 8.93" / 6.02"
• Warranty: 2 Year
Price: $119.95
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