Marine Battery Chargers | Onboard Boat Battery Chargers

Stay powered on the water with Battery Tender marine battery chargers built for boats, jet skis, and watercraft. Our corrosion-resistant designs deliver reliable charging in harsh marine conditions, keeping your deep-cycle and starting batteries in peak shape. Enjoy every trip with dependable marine power you can count on.

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Featured Products

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WaveCharge Pro 4-Bank 12V, 40 AMP Battery Charger - Battery Tender®WaveCharge Pro 4-Bank 12V, 40 AMP Battery Charger - Battery Tender®
Chargeur de batterie WaveCharge Pro 4 banques 12 V, 40 ASKU: 022-1009-DL-WH Prix de vente$439.95 Prix normal$499.95
WaveCharge Pro 3-Bank 12V, 30 AMP Battery Charger - Battery Tender®WaveCharge Pro 3-Bank 12V, 30 AMP Battery Charger - Battery Tender®
Chargeur de batterie WaveCharge Pro 3 banques 12 V, 30 ASKU: 022-1008-DL-WH Prix de vente$409.95
WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®
Chargeur de batterie WaveCharge Pro 2 banques 12 V, 20 ASKU: 022-1007-DL-WH Prix de vente$254.95 Prix normal$289.95
Marine DC to DC Power Connector - Trolling Motor Plug for Onboard Marine 12V - Battery Tender®Marine DC to DC Power Connector - Trolling Motor Plug for Onboard Marine 12V - Battery Tender®
Connecteur d'alimentation DC-DC 12V pour usage maritimeSKU: 027-0004-KIT Prix de vente$149.95

WaveCharge 12V or 6V, 10 Amp Battery Charger

The rugged WaveCharge marine battery charger can power up to three 12V or 6V batteries simultaneously. It meets IP67 weather-resistant standards, and maintains batteries for extended life.

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Waterproof Design

Marine-grade weatherproofing protects against splashing and humidity in any onboard environment.

Multi-Bank Charging

Simultaneously charge up to 4 batteries — ideal for vessels with separate starting and house battery banks.

Automatic Maintenance

Smart float mode kicks in once fully charged, preventing overcharge and extending battery life season after season.
there is only go •

Marine Battery Chargers

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Weather Resistant 800mA, 12V Battery Charger - Battery Tender®Weather Resistant 800mA, 12V Battery Charger - Battery Tender®
Chargeur de batterie 800 mA, 12 V résistant aux intempériesSKU: 022-0150-DL-WH Prix de vente$64.95
Weather Resistant 12V @ 5 AMP & 24V @ 2.5 AMP Selectable Battery Charger - Battery Tender®5 AMP 12V/24V Selectable Battery Charger and Maintainer - Battery Tender®
Chargeur et entretien de batterie 5 AMP 12V/24V sélectionnableSKU: 022-0258-DL-WH Prix de vente$159.95
WaveCharge 2-Bank Selectable 12V or 6V, 6 AMP Battery Charger - Battery Tender®WaveCharge 2-Bank Selectable 12V or 6V, 6 AMP Battery Charger - Battery Tender®
Chargeur de batterie 2 voies sélectionnables 12V ou 6V, 6 AMPSKU: 022-1002-DL-WH Prix de vente$159.95
WaveCharge 3-Bank Selectable 12V or 6V, 9 AMP Battery Charger - Battery Tender®WaveCharge 3-Bank Selectable 12V or 6V, 9 AMP Battery Charger - Battery Tender®
Chargeur de batterie 3 voies sélectionnables 12V ou 6V, 9 AMPSKU: 022-1003-DL-WH Prix de vente$214.95
WaveCharge 4-Bank Selectable 12V or 6V, 12 AMP Battery Charger - Battery Tender®WaveCharge 4-Bank Selectable 12V or 6V, 12 AMP Battery Charger - Battery Tender®
Chargeur de batterie 4 voies sélectionnables 12V ou 6V, 12 AMPSKU: 022-1004-DL-WH Prix de vente$264.95
WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®
Chargeur de batterie WaveCharge Pro 2 banques 12 V, 20 ASKU: 022-1007-DL-WH Prix de vente$254.95 Prix normal$289.95
WaveCharge Pro 3-Bank 12V, 30 AMP Battery Charger - Battery Tender®WaveCharge Pro 3-Bank 12V, 30 AMP Battery Charger - Battery Tender®
Chargeur de batterie WaveCharge Pro 3 banques 12 V, 30 ASKU: 022-1008-DL-WH Prix de vente$409.95
WaveCharge Pro 4-Bank 12V, 40 AMP Battery Charger - Battery Tender®WaveCharge Pro 4-Bank 12V, 40 AMP Battery Charger - Battery Tender®
Chargeur de batterie WaveCharge Pro 4 banques 12 V, 40 ASKU: 022-1009-DL-WH Prix de vente$439.95 Prix normal$499.95

Marine Jump Starters

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2000 AMP Jump Starter - 16000mAh Power Bank - Battery Tender®2000 AMP Jump Starter - 16000mAh Power Bank - Battery Tender®
Démarreur de saut 2 000 AMP - Banque d'alimentation 16 000 mAhSKU: 030-2030-WH Prix de vente$179.95
1500 AMP Jump Starter - 12000mAh Power Bank - Battery Tender®1500 AMP Jump Starter - 12000mAh Power Bank - Battery Tender®
Démarreur de saut 1 500 AMP - Banque d'alimentation 12 000 mAhSKU: 030-2020-WH Prix de vente$152.95 Prix normal$169.95
2000 AMP Power Station with 100 Watt Inverter - Battery Tender®2000 AMP Power Station with 100 Watt Inverter - Battery Tender®
Centrale électrique de 2 000 AMP avec onduleur de 100 wattsSKU: 030-2040-WH Prix de vente$234.95

Marine Accessories

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Marine DC to DC Power Connector - Trolling Motor Plug for Onboard Marine 12V - Battery Tender®Marine DC to DC Power Connector - Trolling Motor Plug for Onboard Marine 12V - Battery Tender®
Connecteur d'alimentation DC-DC 12V pour usage maritimeSKU: 027-0004-KIT Prix de vente$149.95
Marine AC Power Flanged Port Inlet Plug and Receptacle Combo - Battery Tender®Marine AC Power Flanged Port Inlet Plug and Receptacle Combo - Battery Tender®
Prise d'entrée et prise de courant combo pour alimentation AC ...SKU: 024-0004-BK Prix de vente$19.95
10-Foot Marine Extension Cord for WaveCharge Pro - Battery Tender®
Prolongeur électrique marin de 3 mètres pour WaveCharge ProSKU: 081-0208-10 Prix de vente$34.95
5-Foot Marine Extension Cord for WaveCharge Pro - Battery Tender®
Prolongeur marin de 1,5 m pour WaveCharge ProSKU: 081-0207-5 Prix de vente$22.95

Marine blogs

WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®

Battery Tender® Lights

What they mean and how to tell when your charger is done charging.

Florida insider fishing report

Battery Tender® visits Rick Murphy and Florida Insider Fishing Report.

PowerPlus 36V 18 AMP On-Board Battery Charger and Maintainer - Battery Tender®

ICAST FISHING SHOW

Battery Tender® WaveCharge Pro Multibank Chargers and PowerPlus On-Board Chargers at ICAST in Orlando, FL