Best Deals This Week

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

Last Updated - May 2, 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
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
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
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

$46.69
Best Value

New
Kanayu 30 Amp to 15 Amp Marine Shore Power Adapter Extension Power Cord NEMA L5-30P to 5-15/20R 10AWG 30Amp to 20Amp T Blade Marine Plug 125V Household Outlet Pigtail Boat Adapter(1FT)
Compatible with Nema L5-30P to 5-15/20R: 3ft Heavy duty 30 Amp to 20 Amp shore power adapter Compatible with Nema L5-30P to 5-15/20R, ETL Listed Compatible with Nema L5-30P 125 Volt 30 Amp locking plug male to female Compatible with NEMA 5-20 20 amp T-blade receptacle, 30 to 20 amp marine adapter cord build with STW 10AWG/3 conductors power cord, Note: only work with Max 125Volt, T-Blade 20R is 125 Volt 20amp Compatible with Nema 5-20R NOT 250V 20amp Compatible with Nema 6-20R

$14.71 $16.99
New
Kanayu 30 Amp to 15 Amp Marine Shore Power Adapter Extension Power Cord NEMA L5-30P to 5-15/20R 10AWG 30Amp to 20Amp T Blade Marine Plug 125V Household Outlet Pigtail Boat Adapter(1FT)
Compatible with Nema L5-30P to 5-15/20R: 3ft Heavy duty 30 Amp to 20 Amp shore power adapter Compatible with Nema L5-30P to 5-15/20R, ETL Listed Compatible with Nema L5-30P 125 Volt 30 Amp locking plug male to female Compatible with NEMA 5-20 20 amp T-blade receptacle, 30 to 20 amp marine adapter cord build with STW 10AWG/3 conductors power cord, Note: only work with Max 125Volt, T-Blade 20R is 125 Volt 20amp Compatible with Nema 5-20R NOT 250V 20amp Compatible with Nema 6-20R

$15.99 $16.99
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.

$23.99
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
Shore-Power 30 Amp to 20 Amp RV Generator-Adapter Plug Marine-30Amp to 110 15 Amp Household Inlet,NEMA L5-30P to 5-15/20R,3-Prong Locking 125V 30A-Generator Male to 15A/ 20A-Female Boat Power Adapter
Shore power 30 Amp to 20 Amp RV generator adapter plug Nema L5-30P to 5-15/20R, Nema L5-30P 125 Volt 30 Amp locking plug male to female Nema 5-20R 20 amp T-blade receptacle, marine 30amp to 20amp shore power adapter, Note:only work with Max 125Volt, T-Blade 20R is 125 Volt 20amp Nema 5-20R NOT 250V 20amp Nema 6-20R

$9.99
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

$25.98

10 Shore Power Adapters deals are available from: Amazon stores, starting from $9.99.
The biggest discount we found is 13% on Kanayu 30 Amp to 15 Amp Marine Shore Power Adapter Extension Power Cord NEMA L5-30P to 5-15/20R 10AWG 30Amp to 20Amp T Blade Marine Plug 125V Household Outlet Pigtail Boat Adapter(1FT) at Amazon.
The lowest price we found is $9.99 while the highest is $52.99.
Prices for the best Shore Power Adapters deals average at $24.82.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Shore Power Adapters.