Every Adventure.
Every Bank.
Full Power.

UL Marine Certified

Leave the dock fully charged. Every single time.

Battery Tender® WaveCharge multi-bank and PowerPlus on-board chargers are built for the conditions that destroy ordinary equipment — IP67 waterproof, UL marine ignition certified for engine room installation in fuel vapor environments, permanently mounted through saltwater spray, bilge moisture, and engine heat. Independent ISM charging on every bank simultaneously. 3 to 26 Amps. Per-bank Lithium and lead-acid chemistry selection. Starting battery, house bank, trolling motor — all fully charged, all the time. Complete the system with DC Power Connectors for trolling motors, AC shore power inlets, and solar battery maintenance. Built to live on the water. Built to keep you moving.

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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®
WaveCharge Pro 4-Bank 12V 40 Amp Battery Charger and MaintainerSKU: 022-1009-DL-WH Sale price$439.95 Regular price$499.95
WaveCharge Pro 3-Bank 12V, 30 AMP Battery Charger - Battery Tender®WaveCharge Pro 3-Bank 12V, 30 AMP Battery Charger - Battery Tender®
WaveCharge Pro 3-Bank 12V 30 Amp Battery Charger and MaintainerSKU: 022-1008-DL-WH Sale price$409.95
WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®
WaveCharge Pro 2-Bank 12V 20 Amp Battery Charger and MaintainerSKU: 022-1007-DL-WH Sale price$254.95 Regular price$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®
Battery Tender® DC Power Connector KitSKU: 027-0004-KIT Sale price$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®
Battery Tender® Weather Resistant 12V 800mA Battery Charger an...SKU: 022-0150-DL-WH Sale price$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®
PowerTender® 5 Amp 12V/24V Battery Charger and MaintainerSKU: 022-0258-DL-WH Sale price$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®
WaveCharge 2-Bank 12V 6 Amp Battery Charger and MaintainerSKU: 022-1002-DL-WH Sale price$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®
WaveCharge 3-Bank 12V 9 Amp Battery Charger and MaintainerSKU: 022-1003-DL-WH Sale price$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®
WaveCharge 4-Bank 12V 12 Amp Battery Charger and MaintainerSKU: 022-1004-DL-WH Sale price$264.95
WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®WaveCharge Pro 2-Bank 12V, 20 AMP Battery Charger - Battery Tender®
WaveCharge Pro 2-Bank 12V 20 Amp Battery Charger and MaintainerSKU: 022-1007-DL-WH Sale price$254.95 Regular price$289.95
WaveCharge Pro 3-Bank 12V, 30 AMP Battery Charger - Battery Tender®WaveCharge Pro 3-Bank 12V, 30 AMP Battery Charger - Battery Tender®
WaveCharge Pro 3-Bank 12V 30 Amp Battery Charger and MaintainerSKU: 022-1008-DL-WH Sale price$409.95
WaveCharge Pro 4-Bank 12V, 40 AMP Battery Charger - Battery Tender®WaveCharge Pro 4-Bank 12V, 40 AMP Battery Charger - Battery Tender®
WaveCharge Pro 4-Bank 12V 40 Amp Battery Charger and MaintainerSKU: 022-1009-DL-WH Sale price$439.95 Regular price$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®
Jump N Start 2000 Amp Lithium Jump StarterSKU: 030-2030-WH Sale price$179.95
1500 AMP Jump Starter - 12000mAh Power Bank - Battery Tender®1500 AMP Jump Starter - 12000mAh Power Bank - Battery Tender®
Jump N Start 1500 Amp Lithium Jump StarterSKU: 030-2020-WH Sale price$152.95 Regular price$169.95
2000 AMP Power Station with 100 Watt Inverter - Battery Tender®2000 AMP Power Station with 100 Watt Inverter - Battery Tender®
Jump N Start 2000 Amp Power Station with 100W InverterSKU: 030-2040-WH Sale price$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®
Battery Tender® DC Power Connector KitSKU: 027-0004-KIT Sale price$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®
Battery Tender® AC Power Port InletSKU: 024-0004-BK Sale price$19.95
10-Foot Marine Extension Cord for WaveCharge Pro - Battery Tender®
WaveCharge 10ft Marine Extension CableSKU: 081-0208-10 Sale price$34.95
5-Foot Marine Extension Cord for WaveCharge Pro - Battery Tender®
WaveCharge 5ft Marine Extension CableSKU: 081-0207-5 Sale price$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