It’s important to have a way to connect your boat to shore power, whether you’re planning to keep it at a marina or just want to take a night off from running the engine. Depending on the type of boat you have, you may need to install a shore power connection yourself. A shore power connection installed by a professional is more of an investment, but it’s usually worth it considering how much time you’ll spend on the water and how much money you’ll save on wear and tear on your engine.
If you’re installing a shore power connection yourself, it’s a good idea to use a professional to help with the process and make sure everything is installed properly. A professional will also be able to help you determine which shore power connection is right for your boat.
Once you have a shore power connection, you will need an adapter to connect your boat’s electrical system to the marina’s power. These boat shore power adapters can be hard to find, so we’ve done the research for you. Here are the best boat shore power adapters for a variety of needs.
Our Editor’s Best Boat Shore Power Adapters Reviews
- Nema 5-15P to L5-30R 15 amp to 30 amp marine & RV plug adapter cord ETL Listed, Nema 5-15 3-prong household plug 15Amp to 30Amp twist lock rv adapter plug,L5-30 3-prong female RV receptacle dogbone power adapter cord, build with STW 10AWG*3 conductor heavy duty power cable,Max rated @15A,125V/1875W
- Nema L5-30R to 5-15P 30 Amp to 15 Amp shore power adapter cord easy for you charging your RV travel trailer/trailer camper or marine from NEMA 5-15 15Amp household power outlet
- Nema 5-15 to L5-30, 125Volt 15 Amp Nema 5-15 household plug to 30 AMP 125V L5-30R outlet generator female
- 15Amp male to 30Amp female RV adapter plug, L5-30R 30 Amp outlet twist lock receptacle with a threaded locking ring
- Heavy duty 30 Amp to 15 Amp 110 Volt marine/RV electrical adapter cord just outlet converter,cannot change voltage, length about:1Ft/12 inch
- 30 Amp 125V Locking Dock Side/Male Plug, 15 or 20 Amp 125V Straight Blade Boat Side/Female Connector
- Straight Adapters are high-quality, one-piece adapters similar in usage to Pigtail Adapters
- Includes Power LED
- Do not have sealing collars and are not recommended for use in wet locations
- Replaces the 81A
- Heavy duty Marine Shore power adapter cord Nema SS2-50P to L5-30R ETL Listed for RV/ Boat/ Marine, 50Amp Marine Shore Power Plug SS2-50P to L5-30 30A mp Receptacle generator female twist lock plug adapter cable, 50 to 30 amp marine adapter build with UL listed STW 10AWG/* 3 Conducters stranded copper ac power cord, Max rated:30A,125V/3750W
- 50 amp to 30 amp marine shore power adapter cord, twist lock Nema 50 Amp,125/250 Volt SS2-50P Male Marine Shore plug to 30 Amp,125 Volt L5-30R female boat shore power adapter
- SS2-50 Plug to 3 Prong L5-30 Female Shore Power Cord Adapter ,50A Marine Shore Power plug SS2-50P male with locking ring and seal ring, 125 Volt 30A twist lock receptacle generator L5-30R female with locking ring and seal ring, helps you 30Amp L5-30 extension cord to get power from 50AMP SS2-50 Marine shore power outlet
- 50amp to 30amp shore adapter cord SS2-50 to L5-30, SS2-50P Hot Y prong is empty(Open) no wire contact,SS 2-50P Live X connect L5-30R Live,SS2-50P Neutral connect L5-30R Neutra,SS2-50P Ground connect to L5-30R Ground,NOTE: before you order pls confirm if you SS2-50R Hots Pin X is contacted
- 50A to 30A marine adapter pigtail , SS2-50 125/250V 50A, to 30A,125V generator L5-30 female adapter cord, Just shore power converter, cannot change voltage, Length about:1.5Feet
- 18'' 15AMP NEMA 5-15P to 30AMP L5-30R lock female Shore Power Adapter cord
- STOW 10 Gauge 3 Prong,100% copper and weather resistant PVC jacket for outdoor use
- Safety and Durability: Molded plug and Connector
- L5-30 Female plug with LED power indicator light
- Shore Power twist locking with ring
- Heavy duty 30 Amp to 20 Amp shore power adapter Nema L5-30P to 5-15/20R, ETL Listed Nema L5-30P 125 Volt 30 Amp locking plug male to female Nema 5-20 20 amp T-blade receptacle,30 to 20 amp marine power adapter cord build with STW 10AWG/3 conductors power cord, Note:only work with Max 125Volt, T-Blade 20R is 125 Volt 20amp Nema 5-20R NOT 250V 20amp Nema 6-20R
- 30 amp twist lock shore power adapter Nema L5-30P to 5-15/20R, Nema L5-30 125 Volt 30Amp male with locking ring, Nema L5-30P 3-prong twist lock plug for contact to RV, generator and marine shore power L5-30R receptacle use
- 30 Amp To 20 Amp adapter cable, NEMA L5-30P to 5-20R, Nema L5-30P twist lock male plug to Nema 5-20 20Amp T-blade female 125V receptacle dogbone power adapter,Max Rated: @20A,125V/2500W
- 30 Amp To 15 Amp plug adapter cable, NEMA L5-30P to 5-15R, Nema L5-30 30Amp 125V twist lock plug to Nema 5-15 15amp household female 5-15R outlet,125V pigtail shore power adapter cable Max Rated @15A,125V/1875W
- Nema L5-30P to 5-15R, L5-30P to 5-20R T-blade 20 Amp shore power adapter cable, length about: 1 Foot
- Power 30A Boat on 50A Pedestal: - This Marine 50 amp to 30 amp adapter features a SS2-50 male plug and transfer power to L5-30 rv outlet,Recreational Vehicle Camper / Shore power Adapter SS2-50P to L5-30R, Support Power Max: 30A 125V/3750W
- SS2-50P Male Plug: - 50A Marine Shore Power SS2-50P male plug 125/250V; Input use 6AWG 4 copper inner wire, support max 50 Amp loading
- L5-30R Female: - 30A 125V Receptacle Shore Power L5-30R female connector with locking ring, Output use 10AWG 3 stranded copper inner wire in female part, support max 30 Amp overload
- 30 Amp Locking Power Cord: - Marine locking 50A SS2-50P 4 Prong to 3 Prong Female L5-30R Shore Power Adapter Cord comes with threaded locking rings on both end efficiently avoid moisture intrusion
- Heavy Duty: - Marine 50A SS2-50P to 30A L5-30R RV adapter cord, STW, 10/4, 30 Amp copper wire is made from rugged, powder-coated copper terminal with UL62 standard copper inner wires, 1.5 feet in length end-to-end
- 30 Amp 125V Locking Dock Side/Male Plug, 15 Amp 125V Straight Blade Boat Side/Female Connector
- Allows you to connect from one dockside receptacle (or other power source receptacle) to one boatside inlet or equipment of a different power configuration
- Fully molded and equipped with the Marinco unique sealing collar (where indicated) and covers for use in wet locations.
- LED Power Indicator
- Contoured Grip. Thumbprint Ground Blade Locator
- AC Port Plug - A 125-volt power inlet socket with an integrated 16-inch outdoor extension cord for a car, boat, marine, truck, trailer, pickup, RV, industrial and electrical applications.
- Waterproof - A rugged, waterproof ac electrical power inlet receptacle featuring a pressure fit rubberized cover rated for outdoor use and protects against the elements.
- Peak Performance - Rated at 15-amps with heavy-duty 14 AWG copper wiring to maximum power flow and full-sized AC port prongs for maximum conductivity.
- Plug-N-Play - A simple flush mount flanged power inlet that's easy to install, requiring zero cable modification or hand wiring, and mounts into a 2-inch hole size.
- Multiple Uses - An outdoor extension cord designed for various uses, including onboard battery chargers, bumpers for engine block heaters, outdoor electrical outlets, and more.
Best Boat Shore Power Adapters Buying Guide
Before choosing the best boat shore power adapters you should consider following options:
1. Wattage: The first thing you should look for when choosing a boat power adapter is the wattage. Think about the appliances you’re going to be using and how much power they require.
You can find adapters with a wattage from 4 to 30 watts. If you’re going to be using a lot of appliances, then you should get an adapter with a higher wattage.
2. Amps: The second thing you should look at is the amps. This tells you the current that the power adapter is capable of handling.
It tells you the amount of current the adapter can deliver to the batteries. This is important to know because it determines the rate at which the batteries get charged.
If you’re going to be using a lot of appliances, then you should get a power adapter with a higher amp rating.
3. Charge Controller: Not all power adapters have charge controllers. If they don’t have one, then they can’t be used as a source of power for your batteries.
The charge controller helps prevent overcharging and overheating of the batteries. It also helps maintain the correct voltage for the battery.
4. Battery Banks and Battery Size: You need to think about what kind of battery bank you’re going to have and what size it’s going to be.
This will help you determine the size of the power adapter you’re going to get. The size of the adapter should be proportionate to the battery bank.
For example, if you’re going to get a 12-volt power adapter, then you should get a 12-volt battery bank.
If you’re going to get a 24-volt power adapter, then you should get a 24-volt battery bank. Power adapters with a higher amp rating can be connected to multiple battery banks.
What else you should know about boat shore power adapters
1. What is the purpose of a shore power adapter for boats?
The purpose of a shore power adapter for boats is to allow the boat to be connected to a land-based power supply, typically at a marina. This allows the boat to have access to shore power, which can be used to power the boat’s onboard systems, including lights, pumps, and other equipment.
2. What are the benefits of using a shore power adapter?
The benefits of using a shore power adapter include reducing wear and tear on your boat’s engine, saving fuel, and reducing noise and pollution. Additionally, shore power can provide a more stable source of electricity for your boat, which can be important for sensitive electronics.
3. What are the different types of shore power adapters available?
There are three types of shore power adapters: grounding adapters, marine adapters, and non-grounding adapters. Grounding adapters have a three-pronged plug that goes into a grounding-type outlet. Marine adapters have a three-pronged plug that goes into a marine-type outlet. Non-grounding adapters have a two-pronged plug that goes into a non-grounding outlet.
4. How do you select the proper shore power adapter for your boat?
The proper shore power adapter for your boat can be selected by looking at the power requirements for your boat and finding an adapter that will fit those requirements.
5. How do you install a shore power adapter on your boat?
Most shore power adapters will come with instructions on how to install them. Generally, you will need to connect the adapter to the shore power outlet using the included cables. Once the adapter is connected to the shore power outlet, you will need to connect your boat’s electrical system to the adapter.
Conclusion
On the market, there are numerous best boat shore power adapters. Hopefully, the list of the top ten best boat shore power adapters will save you time researching and deciding on the best one for you.