CTEK Comfort Connect Extension Cable 8.2 ft — Weatherproof battery charger extension for Multi and CT5 models

The CTEK (56-304) Comfort Connect Extension Cable is an 8.2-foot, weatherproof extension that increases the reach of compatible CTEK battery chargers for easier access and safer connections.

When your charger needs to stay in a fixed position but the vehicle or battery is hard to reach, this extension cable gives you the extra length to connect without awkward stretching or moving equipment. Built for the CTEK Comfort Connect family, the cable preserves reliable electrical contact and durable weather resistance so you can work outdoors or in garages with confidence. It’s a simple add-on that makes routine battery maintenance more convenient.

Which chargers and batteries work with this extension?

This extension has been engineered to mate with multiple CTEK models using the Comfort Connect system. It’s compatible with both consumer and powersport chargers so you can use one accessory across different tools in your garage.

• Fits: MULTI US 3300, MULTI US 7002, US 0.8
• Works with: CT5 Powersport, CT5 Time to Go, CT5 Lithium US
• Also compatible with: MUS 4.3 Polar, MUS 4.3 Test & Charge, MXS 5.0, MURS 7.0
• Universal Comfort Connect interface for straightforward attachment

How does the Comfort Connect extension improve day-to-day use?

Instead of relocating a charger or awkwardly stretching leads, the extension gives you immediate access to battery posts from a safer, more comfortable position. That reduces strain and speeds up battery hookup and removal.

• Extends reach by 8.2 feet for flexible positioning
• Makes charging setups tidier and easier to manage
• Reduces the need to move vehicles or chargers
• Saves time during routine battery checks and maintenance

Is the cable durable enough for garage and outdoor conditions?

The Comfort Connect cable is built with resilience in mind so it can handle regular use in workshops, outdoors, and seasonal storage areas. Connectors are sealed to limit exposure to moisture and dirt, preserving performance over time.

• Weatherproof connections for wet or dusty environments
• High-quality materials resist wear from handling
• Designed for repeated plug-and-play use without degradation

How simple is installation and what should I expect?

Installation is plug-and-play: attach the Comfort Connect plug to your charger and connect the other end to your vehicle battery or accessory cable. No tools or wiring changes are required, making it a quick, low-risk upgrade.

• No special tools or electrical knowledge needed
• Quick coupling and decoupling with the CTEK Comfort Connect interface
• Safe, secure connection that maintains charging performance

Who is this for? If you own any compatible CTEK charger and need more reach or flexibility — classic cars in storage, motorcycles, boats, or vehicles parked in tight spaces — this extension is a practical accessory. It benefits hobbyists and professional mechanics alike who value a reliable, weatherproof connection and the freedom to position chargers where they’re safest and most convenient.