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Best Shore Power Adapters Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

Best Choice

New
1FT 30-Amp to 15-Amp Marine & RV-Adapter Cord Nema 5-15P to L5-30R,10AWG 15Amp Male to 30Amp-Female Twist Lock Power Adapter,Marine Shore Power 30A 125V Receptacle to 110V 15A Household Plug
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

$19.98
Used
1FT 30-Amp to 15-Amp Marine & RV-Adapter Cord Nema 5-15P to L5-30R,10AWG 15Amp Male to 30Amp-Female Twist Lock Power Adapter,Marine Shore Power 30A 125V Receptacle to 110V 15A Household Plug
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

$16.95
New
1FT 30-Amp to 15-Amp Marine-Shore Power-Adapter NEMA L5-30P to 5-15/20R,10AWG 30Amp to 20Amp T Blade Marine Adapter Plug,Twist Lock 125V 30A to 20A/ 15A Household Outlet Pigtail Boat
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

$19.88
Best Value

New
Marinco S30-15 Straight Adapter, 30A 125V Male To 15A 125V Female,Yellow
30 Amp 125V Locking Dock Side/Male Plug, 15 or 20 Amp 125V Straight Blade Boat Side/Female Connector

$42.61 $65.82
New
3FT 30-Amp to 15-Amp 110V Marine & RV Adapter Cord Nema 5-15P to L5-30R,10AWG 15Amp Male to 30Amp-Female Twist Lock Marine Shore Power Adapter, 125V 30A to 15A Household Plug Pigtail for Boat,RV
Nema 5-15P to L5-30R 15 amp to 30 amp marine & RV plug adapter cord 3Ft ETL Listed, Nema 5-15 3-prong household plug 15Amp to 30Amp twist lock shore power adapter cord, L5-30 3-prong female 30A to 15A pigtail power adapter cord, build with STW 10AWG*3 conductor (true copper wires inside) heavy duty power cable,Max rated @15A,125V/1875W

$24.98
New
MECMO 50 Amp 125/250V to x (2) 30 Amp 125V Shore Power Adapter, NEMA SS2-50P to 2X L5-30R Marine Boat Y Splitter Cord, 50A Male to Two 30A Female w/Locking Rings and Waterproof Seals, STW 10 AWG, 3FT
SS2-50P to 2x L5-30R Adapter: 50 Amp 125/250V locking dock side male plug to two - 30 Amp 125V twist lock outlets; Simultaneously 30A devices (e.g., marine AC + charger) from 50A 125/250V shore power pedestal; (POWER LIMIT: 12,500W MAX!) Exceeding 12,500W total load may cause failure

$109.95
New
Kohree RV Adapter Plug 30 Amp to 15 Amp 110V, RV Power Electrical Adapter Cord 15A Male to 30A Female 12" with Twist Lock & LED Indicator
【Application】: To power up your RV travel trailer while at home or outdoors, which is equipped with a 30amp twist lock adapter power inlet and needs to plug into a 15amp household power outlet.

$17.99
New
Marine Shore Power Adapter Cable 50-Amp to 30 Amp Nema SS2-50P to L5-30R, Marine-50Amp 125/250V SS2-50 Male to L5-30 125 Volt 30Amp-Shore Power Female Converter, 50A to 30A Twist Lock Adapter, 1.5FT
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 true copper wires inside ac power cord, Max rated:30A,125V/3750W

$45.38
New
Suplevel 30 Amp Marine Shore Power Adapter, L5-30P Y Splitter to (2) L5-30R, L5-30P Male to L5-30R Female Y Adapter w/Locking Ring & Waterproof Seals, STW 10 AWG, 3FT, ETL Listed
Efficient Power Splitting for Multi-Device & Multi-Scenario Needs：Converts a single 30A 125V output into two independent 30A 125V outlets. It can power 2 boats simultaneously, and is also compatible with multiple 30A devices such as marine air conditioners + chargers, RV equipment, and construction tools. With a maximum power of 3750W, it solves the problem of powering multiple devices from a single power source.

$52.99
New
CORDMITPRO Overload Protector 30 Amp to 110 Adapter Generator Power Cord, Shore Power 30 Amp to 15 Amp/20 Amp Adapter, Marine NEMA L5-30P to 3X 5-15R/5-20R RV Generator Adapter, 1.5FT
Versatile 30 Amp to 110 Adapter - Effortlessly convert your 30 amp generator outlet into three standard grounded 5-15/20R household outlets. This 30 amp to 15 amp RV adapter is ideal for powering tools, appliances, and emergency lighting during outdoor activities or power outages.

$21.99

10 Shore Power Adapters deals are available from: Amazon stores, starting from $16.95.
The biggest discount we found is 35% on Marinco S30-15 Straight Adapter, 30A 125V Male To 15A 125V Female,Yellow at Amazon.
The lowest price we found is $16.95 while the highest is $109.95.
Prices for the best Shore Power Adapters deals average at $37.27.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Shore Power Adapters.