This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Fast & Track Shipping

30-Day Risk-Free Trial

Industry-Leading Warranty

Talk to an Expert: 866-721-0002

Cart 0

No more products available for purchase

Products
Subtotal Free
Shipping, taxes, and discount codes are calculated at checkout

Your Cart is Empty

Trolling Motors
Electric Outboards
Boats
Accessories
Father's Day Sale

SB50 Cable Extension

Outline star
Outline star
Outline star
Outline star
Outline star
Filled star
Filled star
Filled star
Filled star
Filled star
(3)
$49.99

Join now and get $0.00 back in store credit on this product

Zip Code
Save
Invalid zip code

Features

  • Extend battery reach anywhere on your kayak or small boat for a balanced load and optimized performance
  • 74" finished length ideal for custom installs, in-hull routing, and battery relocation
  • Compatible with Newport LoPRO batteries and all standard SB50 plugs
  • Marine-grade SB50 connectors resist corrosion in harsh marine environments
  • Heavy-duty 8-gauge cable for efficient, reliable power delivery
  • Secure, tool-free SB50-to-SB50 connection
  • Crush-proof rubber boots on each end protect plugs from impact and wear
  • Protective sheathing and heat shrink add durability at stress points
Details

Extended cabling to reach your battery anywhere on your small boat or kayak for a balanced load and optimized performance. The Newport LoPRO Cable Extension Kit features marine-grade SB50 connectors, heavy-duty 8-gauge cable, and a custom crush-proof rubber boot on each end for clean installs and reliable power delivery.

Owner's Manual

Download Installation Guide
[{"variant_id":"52467429638511" , "metafield_value":""}]

SB50 Cable Extension

$49.99

Customer Reviews: SB50 Cable Extension

Rated 5.0 out of 5 stars based on 3 customer reviews.

100% of reviewers recommend this product.

well made and durable power cable

Rating: 5 out of 5 stars

well made extension power cable with protected Anderson 50amp connectors and wrap around cloth protection on the length of the cable itself.

Performance
5 out of 5 (1 = Poor, 3 = Average, 5 = Excellent)
Environment
Saltwater

Reviewed by John P. on October 1, 2026

Verified buyer

Recommends this product

Product works. Shipping chargers are high

Rating: 5 out of 5 stars

The product is works as designed. But over 16 for shipping for that little part is way over priced.

Performance
5 out of 5 (1 = Poor, 3 = Average, 5 = Excellent)
Environment
Freshwater

Reviewed by David B. on May 26, 2026

Verified buyer

Recommends this product

Accuracy and fast shipping!...

Rating: 5 out of 5 stars

Accuracy and fast shipping! Love my 180 Pro and wanted to use the extension cable for in hull wiring of my kayak. Didnt want to cut the original down to do it!

Performance
5 out of 5 (1 = Poor, 3 = Average, 5 = Excellent)
Environment
Saltwater

Reviewed by Tony S. on March 17, 2026

Verified buyer

Recommends this product

Response from Newport: We're happy to hear the extension cable was exactly what you needed for your setup. Keeping your original cable intact while wiring in-hull is a great approach. Appreciate the support, and enjoy your NK180PRO out on the water!

Frequently Asked Questions

You know how they say there’s no such thing as a dumb question? Well, they were wrong, but here are some common not-so-dumb ones

Contact us