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Power Generation & Charging

Marine Power Generation & Charging

Marine Batteries, Chargers, Alternators, Solar, Inverters & Charging Gear

Find marine power generation and charging equipment for starting batteries, house banks, electronics loads, refrigeration, pumps, lighting, communications, trolling loads, and onboard comfort systems. Shop battery chargers, alternators, voltage regulators, solar panels, solar controllers, battery isolators, ACRs, DC-to-DC chargers, inverters, inverter chargers, battery monitors, generator parts, shore power charging accessories, and installation support.

Shop Power & Charging Search Battery Chargers Ask Parts Desk

Confirm battery chemistry, bank voltage, charging output, installation location, wire sizing, ventilation, fusing, breaker protection, and manufacturer requirements before ordering or installing charging equipment.

Popular Power & Charging Searches

Choose by Charging Source, Battery Bank, or Electrical Component

Use these links to narrow by product type. Search links are used where a dedicated collection may not exist, so shoppers still reach matching products quickly.

All Power & ChargingMain collection for charging sources, battery support, and onboard power gear. Marine BatteriesStarting batteries, house batteries, AGM, flooded, gel, and lithium-ready battery searches. Battery ChargersOnboard chargers, portable chargers, multi-bank chargers, and shore-power charging. AlternatorsMarine alternators, high-output charging parts, brackets, pulleys, and charging support. Voltage RegulatorsExternal regulators, alternator control, charge management, and output support. Solar PanelsSolar panels for maintenance charging, house banks, off-grid support, and battery upkeep. Solar ControllersMPPT and PWM charge controllers, solar regulators, and charging control parts. DC-to-DC ChargersEngine-to-house charging, lithium charging support, and controlled bank-to-bank charging. Battery IsolatorsIsolators for separating charging paths and protecting start or auxiliary batteries. ACRs & RelaysAutomatic charging relays, combiners, solenoids, and charge-routing components. InvertersDC-to-AC power conversion for onboard AC loads and cruising comfort. Inverter ChargersCombined inverters and chargers for house banks, shore power, and cruising systems. Battery MonitorsBattery monitors, shunts, meters, and state-of-charge monitoring parts. Marine GeneratorsGenerator searches, onboard AC power support, and generator-related equipment. Generator PartsGenerator filters, impellers, belts, service kits, electrical parts, and maintenance items. Shore PowerCords, inlets, adapters, chargers, connectors, and dockside charging accessories.

Charging Sources

Alternator, Shore Power, Solar, Generator, and DC-to-DC Charging

Most boats rely on more than one charging source. Alternators charge underway, shore power chargers maintain batteries at the dock, solar helps support house loads and storage, generators supply AC power, and DC-to-DC chargers manage controlled charging between banks.

High-Output AlternatorsMulti-Bank ChargersSolar KitsDC-to-DC Charging

Storage & Control

Batteries, Monitors, Isolators, ACRs, Regulators, and Protection

A reliable charging system depends on the whole path: battery chemistry, bank size, alternator output, charger settings, wire size, fusing, switching, grounds, ventilation, monitoring, and circuit protection.

AGM BatteriesLithium BatteriesBattery SwitchesCircuit Protection
VLT

Match Voltage

Confirm 12 volt, 24 volt, 36 volt, or other system requirements before choosing chargers, alternators, controllers, or inverters.

BAT

Match Battery Chemistry

Flooded, AGM, gel, and lithium batteries need the right charging profile, settings, temperature handling, and protection.

AMP

Size the Output

Compare charger amperage, alternator output, solar wattage, inverter load, and battery-bank capacity so the system can recharge safely.

System Planning

Charging Parts Work as a System

Before upgrading one part, look at the whole electrical path. A bigger alternator, charger, inverter, solar array, or battery bank may also require updated wiring, fuses, breakers, switches, bus bars, monitoring, ventilation, and installation planning.

Contact Parts DeskWiring & ConnectionsPower Protection
For battery chargersMatch voltage, number of banks, battery chemistry, amp-hour capacity, charger output, mounting location, and shore power setup.
For alternatorsConfirm engine fitment, belt style, pulley alignment, output rating, regulator needs, and wiring capacity.
For solar systemsMatch panel wattage, controller rating, wiring length, battery type, mounting location, and shading conditions.
For invertersSize continuous and surge load, battery capacity, cable size, overcurrent protection, ventilation, and AC wiring requirements.

Common Brand Searches

Search Popular Marine Charging Brands

VictronChargers, inverters, monitors, solar controllers, and power management. MastervoltCharging, inverters, battery management, and onboard power systems. ProMarinerOnboard battery chargers, maintainers, and marine charging support. Blue Sea SystemsACRs, switches, meters, fuses, bus bars, and charge management parts. BalmarHigh-output alternators, regulators, belts, and advanced charging control. XantrexInverters, inverter chargers, battery monitors, and onboard AC power support. GuestMarine battery chargers, maintainers, and charging accessories. MarincoShore power cords, inlets, adapters, and dockside power accessories.

Charging System FAQ

Marine Power Generation Buying Help

How do I choose the right marine battery charger?

Match the charger to the battery-bank voltage, battery chemistry, number of banks, amp-hour capacity, installation environment, shore power setup, and desired charging speed.

Do I need an alternator, battery charger, solar panel, or generator?

Alternators charge while the engine runs, battery chargers charge from shore power, solar panels support ongoing charging from sunlight, and generators provide onboard AC power. Many boats use more than one source.

What does a battery isolator or ACR do?

Battery isolators and ACRs help manage charging between battery banks. They can protect a starting battery while allowing charging current to reach house or auxiliary batteries.

What should I check before upgrading a charging system?

Review battery chemistry, bank capacity, wiring size, fusing, alternator output, charger settings, solar controller rating, ventilation, and installation location before upgrading.

Search Marine Batteries, Chargers, Solar & Charging Parts

Use the collection page or search by charging source, battery type, voltage, amperage, brand, or system component.

Shop All Power & ChargingBattery ChargersAlternators

Filters

Xantrex TRUEcharge3 12V 20A Battery Charger

$709.09 - $709.09
$709.09
$709.09 - $709.09
$709.09
Item locally warehoused

The Xantrex TRUEcharge3 12V/20A is a professional-grade marine and commercial battery charger engineered for reliability, compact installation, and...

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$709.09 - $709.09
$709.09
$709.09 - $709.09
$709.09
Marinco 15A or 20A 125V Straight Blade Hard Wired Charger Inlet

Marinco 15A or 20A 125V Straight Blade Hard Wired Charger Inlet

$69.99 - $69.99
$69.99
$69.99 - $69.99
$69.99
Item locally warehoused

Bring on-board charging power to the boat exterior with a Marinco straight-blade, hard-wired charger inlet. This 15A or 20A, 125V inlet features a ...

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$69.99 - $69.99
$69.99
$69.99 - $69.99
$69.99

ProMariner ProNautic P Digital Performance Charger 12V 175-63160

$1,573.99 - $1,573.99
$1,573.99
$1,573.99 - $1,573.99
$1,573.99
Item locally warehoused

ProNautic P Digital Performance Charger — 12VThe ProNautic P is a professional-grade marine battery charger engineered for serious boaters who dema...

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$1,573.99 - $1,573.99
$1,573.99
$1,573.99 - $1,573.99
$1,573.99

ProMariner ProNautic P Digital Performance Charger 12V 175-63150

$1,282.39 - $1,282.39
$1,282.39
$1,282.39 - $1,282.39
$1,282.39
Item locally warehoused

ProNautic P Digital Performance Charger — 12VThe ProNautic P is a professional-grade marine battery charger built for boaters who need dependable, ...

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$1,282.39 - $1,282.39
$1,282.39
$1,282.39 - $1,282.39
$1,282.39

ProMariner ProNautic P Digital Performance Charger 12V 175-63140

$990.59 - $990.59
$990.59
$990.59 - $990.59
$990.59
Item locally warehoused

ProNautic P Digital Performance Charger — 12VThe ProNautic P is a professional-grade marine battery charger designed for boaters who need reliable,...

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$990.59 - $990.59
$990.59
$990.59 - $990.59
$990.59

ProMariner ProNautic P Digital Performance Charger 12V 175-63130

$921.99 - $921.99
$921.99
$921.99 - $921.99
$921.99
Item locally warehoused

ProNautic P Digital Performance Charger — 12VThe ProNautic P is a professional-grade marine battery charger built for boaters who need dependable, ...

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$921.99 - $921.99
$921.99
$921.99 - $921.99
$921.99

ProMariner ProNautic P Digital Performance Charger 12V 175-63120

$765.89 - $765.89
$765.89
$765.89 - $765.89
$765.89
Item locally warehoused

ProNautic P Digital Performance Charger — 12VThe ProNautic P is a professional-grade marine battery charger built for boaters who need dependable, ...

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$765.89 - $765.89
$765.89
$765.89 - $765.89
$765.89

ProMariner ProNautic P Digital Performance Charger 12V 175-63110

$495.89 - $495.89
$495.89
$495.89 - $495.89
$495.89
Item locally warehoused

ProNautic P Digital Performance Charger — 12VThe ProNautic P brings professional-grade charging intelligence to any boat, letting you maintain and ...

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$495.89 - $495.89
$495.89
$495.89 - $495.89
$495.89

ProMariner DC Cable Extender 15ft 30A 175-51815

$79.69 - $79.69
$79.69
$79.69 - $79.69
$79.69
Item locally warehoused

DC Cable Extender for Marine Battery Chargers — 15 ft / 30AWhen your on-board battery charger can't reach a bow, center-mount, or stern battery com...

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$79.69 - $79.69
$79.69
$79.69 - $79.69
$79.69

ProMariner DC Cable Extender 5ft 30A 175-51805

$48.59 - $48.59
$48.59
$48.59 - $48.59
$48.59
Item locally warehoused

DC Cable Extender for Marine Battery Chargers — 5 ft / 30ANeed just a little more reach between your on-board charger and a nearby battery compartm...

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$48.59 - $48.59
$48.59
$48.59 - $48.59
$48.59

ProMariner ProNautic P Digital Performance Charger 24V 175-63180

$1,676.79 - $1,676.79
$1,676.79
$1,676.79 - $1,676.79
$1,676.79
Item locally warehoused

ProNautic P Digital Performance Charger — 24VThe ProNautic P 24V is a professional-grade marine battery charger built for larger vessels running 24...

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$1,676.79 - $1,676.79
$1,676.79
$1,676.79 - $1,676.79
$1,676.79

Minn Kota - On-Board Precision Charger 3-Bank 15A - 1833454

$744.99 - $744.99
$744.99
$744.99 - $744.99
$744.99
Item locally warehoused

Minn Kota On-Board Precision Charger — 3-Bank, 15 AmpsThe Minn Kota On-Board Precision Charger delivers longer run times and shorter charge times w...

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$744.99 - $744.99
$744.99
$744.99 - $744.99
$744.99

Minn Kota - On-Board Precision Charger 2-Bank 15A - 1832304

$549.99 - $549.99
$549.99
$549.99 - $549.99
$549.99
Item locally warehoused

Minn Kota On-Board Precision Charger — 2-Bank, 15 AmpsThe Minn Kota On-Board Precision Charger delivers longer run times and shorter charge times w...

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$549.99 - $549.99
$549.99
$549.99 - $549.99
$549.99

Quicksilver - 70 Amp Alternator Delco Serpentine - 862031T1

$509.41 - $509.41
$509.41
$509.41 - $509.41
$509.41
Item locally warehoused

The Mercury MerCruiser Quicksilver 862031T1 is a 70 amp marine alternator for select GM-based V6 and V8 MerCruiser sterndrive and inboard engines. ...

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$509.41 - $509.41
$509.41
$509.41 - $509.41
$509.41
ProMariner Pro Isocharge, 2 Bank

ProMariner Pro Isocharge, 2 Bank

$273.92 - $273.92
$273.92
$273.92 - $273.92
$273.92
Item locally warehoused

Overview Pro IsoCharge delivers digitally controlled alternator output distribution while protecting the health of engine start batteries. Key Feat...

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$273.92 - $273.92
$273.92
$273.92 - $273.92
$273.92
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Xantrex TRUECharge3 808-8040-10 Remote Panel

$199.99
$199.99 - $199.99
$199.99
$161.85
$161.85 - $161.85
$161.85
In stock

The Xantrex TRUECharge3 Remote Panel 808-8040-10 provides full function remote control and monitoring of your TRUECharge3 battery charger performan...

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$199.99
$199.99 - $199.99
$199.99
$161.85
$161.85 - $161.85
$161.85
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Xantrex TRUECharge3 804-2430-10 Battery Charger 30A 24V

$1,100.59 - $1,100.59
$1,100.59
$1,100.59 - $1,100.59
$1,100.59
Out of stock

The Xantrex TRUECharge3 804-2430-10 is an ultra-compact, high performance 24V battery charger for worldwide charging. Featuring microprocessor-cont...

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$1,100.59 - $1,100.59
$1,100.59
$1,100.59 - $1,100.59
$1,100.59
Sold out
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Xantrex TRUECharge3 804-2420-10 Battery Charger 20A 24V

$776.89 - $776.89
$776.89
$776.89 - $776.89
$776.89
Out of stock

The Xantrex TRUECharge3 804-2420-10 is an ultra-compact, high performance 24V battery charger for worldwide charging. Featuring microprocessor-cont...

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$776.89 - $776.89
$776.89
$776.89 - $776.89
$776.89
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Xantrex TRUECharge3 804-2410-10 Battery Charger 10A 24V

$615.03 - $615.03
$615.03
$615.03 - $615.03
$615.03
Out of stock

The Xantrex TRUECharge3 804-2410-10 is an ultra-compact, high performance 24V battery charger for worldwide charging. Featuring microprocessor-cont...

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$615.03 - $615.03
$615.03
$615.03 - $615.03
$615.03
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Sold out

Xantrex TRUECharge3 804-1240-10 Battery Charger 40A 12V

$679.78 - $679.78
$679.78
$679.78 - $679.78
$679.78
Out of stock

The Xantrex TRUECharge3 804-1240-10 is an ultra-compact, high performance battery charger for worldwide charging. Featuring microprocessor-controll...

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$679.78 - $679.78
$679.78
$679.78 - $679.78
$679.78
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Sold out

Xantrex TRUECharge3 804-1220-10 Battery Charger 20A 12V

$649.99
$649.99 - $649.99
$649.99
$566.49
$566.49 - $566.49
$566.49
Out of stock

The Xantrex TRUECharge3 804-1220-10 is an ultra-compact, high performance battery charger for worldwide charging. Featuring microprocessor-controll...

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$649.99
$649.99 - $649.99
$649.99
$566.49
$566.49 - $566.49
$566.49
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ProMariner ProSport 44021 Battery Charger 20A 12/24/36V 3-Bank

$522.21
$522.21 - $522.21
$522.21
$470.31
$470.31 - $470.31
$470.31
6 in stock

The ProMariner ProSport GEN4 HD Series 44021 is a professional marine battery charger featuring Promariner digital technology and distributed-on-de...

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$522.21
$522.21 - $522.21
$522.21
$470.31
$470.31 - $470.31
$470.31
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ProMariner ProSport 44020 Battery Charger 20A 12/24V 2-Bank

$499.99
$499.99 - $499.99
$499.99
$450.48
$450.48 - $450.48
$450.48
Out of stock

The ProMariner ProSport GEN4 HD Series 44020 is a professional marine battery charger featuring Promariner digital technology and distributed-on-de...

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$499.99
$499.99 - $499.99
$499.99
$450.48
$450.48 - $450.48
$450.48
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ProMariner ProSport 44012 Battery Charger 12A 12/24V 2-Bank

$417.08
$417.08 - $417.08
$417.08
$369.39
$369.39 - $369.39
$369.39
In stock

The ProMariner ProSport GEN4 HD Series 44012 is a professional marine battery charger featuring Promariner digital technology and distributed-on-de...

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$417.08
$417.08 - $417.08
$417.08
$369.39
$369.39 - $369.39
$369.39
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