FluxJet Spare Battery Box – Replacement Group 31 Enclosure

Available on Backorder - Ships in Q2 2026

Need a replacement battery box for your FluxJet kayak? This spare FluxJet Battery Box delivers the same pre-wired Group 31 enclosure that comes with your kayak, ready as a backup or replacement when you need it.

Key Benefits

• Identical to your included battery box so that you have a direct replacement if your original is damaged or lost
• Pre-wired FluxJet power cabling and breaker so that you get the same plug-and-play connection you rely on
• Proven NOCO BG31 construction so that you get the same water-resistant durability and protection as your original
• Keep a backup ready so that you're never without a working power system for your FluxJet
• Maintain a spare at a second location so that you can keep a charged battery ready at your lake house or favorite launch spot

Features

• Based on the rugged NOCO BG31 Group 31 battery box
• Designed to fit standard Group 31 batteries
• Includes FluxJet power cabling
• Integrated circuit breaker for protection
• Durable and water-resistant construction
• Secure lid with strap system

Frequently Asked Questions

Q: Does my FluxJet kayak already come with a battery box?
A: Yes, every FluxJet kayak includes one battery box with pre-installed cabling. This is a spare battery box for replacement purposes or as a backup for your FluxJet kayak.

Q: Why would I need a spare battery box?
A: Common reasons include having a replacement if your original is damaged, keeping a pre-charged battery ready at a second location (like a lake house), or having a backup power system on hand so you're never without your FluxJet.

Q: What size battery fits in the FluxJet Battery Box?
A: The FluxJet Battery Box is designed for Group 31 batteries, which are standard marine batteries (approximately 13" L x 6.8" W x 9.4" H) commonly used for trolling motors and marine applications. Battery not included.

What's Included

This is a simple, reliable solution for maintaining a Group 31 battery power system for your FluxJet kayak.

For further information about the NOCO BG31 battery box, visit the NOCO website here: https://no.co/support/bg31

Battery not included.

NOTE: Spare FluxJet Battery Boxes are currently reserved for our early pre-order customers. Pre-order customers can add spare battery boxes to their order at final assembly. Our full range of accessories will be expanded and made available to everyone from mid-2026.