Best Marine Inverter Charger in 2025
Updated on June 2025
#1
Recommended
![Xantrex Freedom SW3012 12V 3000W Inverter/Charger [815-3012]](https://m.media-amazon.com/images/I/41YA9D7AxgL._SL320_.jpg)
![Xantrex Freedom SW3012 12V 3000W Inverter/Charger [815-3012]](https://m.media-amazon.com/images/I/412eLXMJKgL._SL320_.jpg)
![Xantrex Freedom SW3012 12V 3000W Inverter/Charger [815-3012]](https://m.media-amazon.com/images/I/41YA9D7AxgL._SL100_.jpg)
![Xantrex Freedom SW3012 12V 3000W Inverter/Charger [815-3012]](https://m.media-amazon.com/images/I/412eLXMJKgL._SL100_.jpg)
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- Includes Xantrex Freedom SW Series 815-3012 Inverter & Charger and a temperature sensor
- Dimensions: 7.75" H x 13.5" W x 15.25" L; Weight: 73.7 lbs; True sine wave output; Voltage: 120 V
- Continuous output power of 3000 W; Peak current: 80 A; AC connections: Split phase and Dual in/dual out; Compatible with various battery types
- Temperature compensated charging; Wide operating temperature range: -4°F to 140°F
- Built-in automatic transfer switch for seamless power switching; Capable of charging low-voltage batteries
- Compliant with UL458, CSA, ABYC, and FCC Class B standards
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- Includes Xantrex Freedom SW Series 815-3012 Inverter & Charger and a temperature sensor
- Dimensions: 7.75" H x 13.5" W x 15.25" L; Weight: 73.7 lbs; True sine wave output; Voltage: 120 V
- Continuous output power of 3000 W; Peak current: 80 A; AC connections: Split phase and Dual in/dual out; Compatible with various battery types
- Temperature compensated charging; Wide operating temperature range: -4°F to 140°F
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![Xantrex Freedom SW3012 12V 3000W Inverter/Charger [815-3012]](https://us.market.com/wp-content/themes/comparison/assets/img/amazon-market-us.svg)
#2
Value for Money
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- Input Voltage: 12V with hardwired AC output (single in/dual out)
- MSW AC power inverter featuring high surge capacity and a 3-stage battery charger
- Temperature sensor and compensation for optimal charging of deep cycle batteries
- Automatic transfer switch to switch between inverter and incoming AC power
- Power sharing feature to avoid tripping the source AC input circuit breaker; only 81-2022-12 model includes circuit breakers
- Programmable settings available via Freedom Basic Remote or Link 1000 panels
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- Input Voltage: 12V with hardwired AC output (single in/dual out)
- MSW AC power inverter featuring high surge capacity and a 3-stage battery charger
- Temperature sensor and compensation for optimal charging of deep cycle batteries
- Automatic transfer switch to switch between inverter and incoming AC power
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#3
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- MultiPlus-II inverter charger combines Multiple functionalities with external current transformer support for PowerControl and PowerAssist.
- Power Assist feature prevents overload of limited AC sources, ensuring smooth operation with generators or shore power.
- In case of power failure, the inverter activates within 20ms to supply power to connected loads without interruption.
- Allows parallel operation of up to 6 units for increased power output, with configuration possible for three-phase output.
- Designed for professional use in marine, yachting, and off-grid applications.
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- MultiPlus-II inverter charger combines Multiple functionalities with external current transformer support for PowerControl and PowerAssist.
- Power Assist feature prevents overload of limited AC sources, ensuring smooth operation with generators or shore power.
- In case of power failure, the inverter activates within 20ms to supply power to connected loads without interruption.
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#4
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- Combines the MultiPlus and MultiGrid functionalities with added external current transformer option for enhanced self-consumption.
- Prevents overload from limited AC sources like generators through Power Assist functionality.
- Activates within 20ms during power outages to maintain supply to connected devices without interruption.
- Supports parallel operation of up to 6 units for increased power output and can be configured for three-phase output.
- Designed for professional marine, yachting, vehicle, and off-grid applications.
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- Combines the MultiPlus and MultiGrid functionalities with added external current transformer option for enhanced self-consumption.
- Prevents overload from limited AC sources like generators through Power Assist functionality.
- Activates within 20ms during power outages to maintain supply to connected devices without interruption.
- Supports parallel operation of up to 6 units for increased power output and can be configured for three-phase output.
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#5
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- Provides 1800 watts of power with a 30-amp charging capability
- Engineered for rigorous marine and RV environments
- Features temperature-controlled multistage charging for safe and efficient battery recharging
- Equipped with an automatic transfer switch and a detachable digital remote control for system monitoring
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- Provides 1800 watts of power with a 30-amp charging capability
- Engineered for rigorous marine and RV environments
- Features temperature-controlled multistage charging for safe and efficient battery recharging
- Equipped with an automatic transfer switch and a detachable digital remote control for system monitoring
#6
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- Input voltage of 12V with hardwired single input and output for AC.
- MSW inverter designed for high surge capacity and includes a three-stage battery charger.
- Integrated temperature sensor provides compensation and equalization for optimal battery charging of deep cycle batteries.
- Automatic transfer switch for seamless switching between inverter and incoming AC power.
- Power sharing feature to prevent tripping of the source AC input circuit breaker.
- Programmable customized settings via Freedom Basic Remote or Link 1000 panels.
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- Input voltage of 12V with hardwired single input and output for AC.
- MSW inverter designed for high surge capacity and includes a three-stage battery charger.
- Integrated temperature sensor provides compensation and equalization for optimal battery charging of deep cycle batteries.
- Automatic transfer switch for seamless switching between inverter and incoming AC power.
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#7
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- Functions as a true sine wave inverter with a built-in battery charger and transfer switch, suitable for running high power loads in RVs, boats, trucks, and specialty vehicles.
- Features a power boost capability, delivering double the continuous output for motor loads, enabling operation of heavy appliances like air conditioners and microwaves.
- Efficient battery charger designed to revive deeply discharged batteries, operating under low power conditions and accommodating a wide input voltage range.
- Compact and lightweight design allows for easy installation in tight spaces, minimizing additional weight in vehicles.
- Operates reliably in a wide range of temperatures, maintaining full output from -4°F to 104°F, with durable hardware for extreme weather conditions.
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- Functions as a true sine wave inverter with a built-in battery charger and transfer switch, suitable for running high power loads in RVs, boats, trucks, and specialty vehicles.
- Features a power boost capability, delivering double the continuous output for motor loads, enabling operation of heavy appliances like air conditioners and microwaves.
- Efficient battery charger designed to revive deeply discharged batteries, operating under low power conditions and accommodating a wide input voltage range.
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#8
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- Combines inverter, battery charger, and AC auto-transfer switch with over 93% transfer efficiency.
- Supports a variety of battery types including SLA, AGM, GEL, and Li-ion.
- Adjustable charging current with a maximum of 35A; can be turned off when set to 0%.
- Offers five operational modes: AC priority, battery priority, generator, ECO, and unattended mode.
- Includes multiple protection features for battery voltage, temperature, overload, and short circuits.
- One-year warranty with free maintenance or product replacement services.
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- Combines inverter, battery charger, and AC auto-transfer switch with over 93% transfer efficiency.
- Supports a variety of battery types including SLA, AGM, GEL, and Li-ion.
- Adjustable charging current with a maximum of 35A; can be turned off when set to 0%.
- Offers five operational modes: AC priority, battery priority, generator, ECO, and unattended mode.
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#9
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- Functions as a true sine wave inverter, built-in lithium-ion charger (100A for 2000W, 150A for 3000W), and transfer switch for heavy loads.
- Provides industry-leading power boost with 2x continuous output for 5 seconds, capable of powering air conditioners, microwaves, CPAP machines, and more.
- Fast battery charging with the ability to revive completely dead batteries and operate under weak power sources, ensuring efficient use of available energy.
- Integrated communications card for compatibility with third-party monitoring systems, supports RV-C and J1939 protocols, and enables system monitoring via bluetooth app.
- Compact and lightweight design suitable for tight spaces in RVs, boats, and specialty vehicles, facilitating easy installation and handling.
- Universal fit for diverse applications.
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- Functions as a true sine wave inverter, built-in lithium-ion charger (100A for 2000W, 150A for 3000W), and transfer switch for heavy loads.
- Provides industry-leading power boost with 2x continuous output for 5 seconds, capable of powering air conditioners, microwaves, CPAP machines, and more.
- Fast battery charging with the ability to revive completely dead batteries and operate under weak power sources, ensuring efficient use of available energy.
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#10
9% Off
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- Victron Energy Multiplus Inverter Charger provides true sine wave output and advanced adaptive charging technology for efficient power management.
- Unique Power Assist feature prevents overload situations by managing limited AC sources like generators or shore power.
- Fast activation within 20ms ensures seamless power supply during grid failures or disconnection from shore/generator power.
- Multiple units can be connected in parallel for increased power output, with options for three-phase configurations available.
- Professional installation is recommended to ensure safety and compliance with electrical codes.
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- Victron Energy Multiplus Inverter Charger provides true sine wave output and advanced adaptive charging technology for efficient power management.
- Unique Power Assist feature prevents overload situations by managing limited AC sources like generators or shore power.
- Fast activation within 20ms ensures seamless power supply during grid failures or disconnection from shore/generator power.
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![200W Car Power Inverter, PiSFAU DC 12V to 110V AC Car Plug Adapter Outlet with [20W USB-C] /USB-Fast Charger(18W) / 4.8A Dual USB/car Charger for Laptop](https://m.media-amazon.com/images/I/41TnIJVNvzL._SL320_.jpg)
![200W Car Power Inverter, PiSFAU DC 12V to 110V AC Car Plug Adapter Outlet with [20W USB-C] /USB-Fast Charger(18W) / 4.8A Dual USB/car Charger for Laptop](https://m.media-amazon.com/images/I/513+v8siehL._SL320_.jpg)
![200W Car Power Inverter, PiSFAU DC 12V to 110V AC Car Plug Adapter Outlet with [20W USB-C] /USB-Fast Charger(18W) / 4.8A Dual USB/car Charger for Laptop](https://m.media-amazon.com/images/I/41XPEBxU9XL._SL320_.jpg)
![200W Car Power Inverter, PiSFAU DC 12V to 110V AC Car Plug Adapter Outlet with [20W USB-C] /USB-Fast Charger(18W) / 4.8A Dual USB/car Charger for Laptop](https://m.media-amazon.com/images/I/41rcRitNYlL._SL320_.jpg)
