CTEK 40-377 Quick Connect Ring Terminal M8 Cable for CS ONE and MXS Chargers

Connecting a CTEK charger to a battery with bolt terminals can be awkward, especially in tight engine bays or when you need a permanent charging point. The CTEK 40-377 solves this by providing a quick-connect cable with M8 ring terminals that bolt directly to the battery, leaving a convenient CTEK quick-connect socket for fast, secure charger attachment.

Who is it for

This accessory is ideal for owners of CTEK chargers with the quick-connect system, such as the CS ONE or MXS series, who want a permanent, reliable connection on vehicles, boats, or machinery with M8 battery bolts. It suits workshops, enthusiasts, and anyone needing frequent charging without repeated terminal access.

Main features

• M8 ring terminals for secure bolt-on battery connection
• CTEK quick-connect plug for fast, tool-free charger attachment
• 40 cm cable length for flexible installation
• Rated for up to 15 A charging current
• 16 AWG copper wire with PVC insulation
• Colour-coded red (+) and black (-) terminals

Specifications

• Product type: Battery quick connect accessory
• Battery-side connector: Ring terminals, M8 size
• Charger-side connector: CTEK quick connect
• Cable length: 40 cm
• Max current: 15 A
• Cable gauge: 16 AWG (approx. 1.5 mm²)
• Material: Copper terminals, PVC insulated cable
• Operating temperature: -20°C to +50°C
• Protection rating: IP65

Tips

Ensure the battery is disconnected before installation. Route the cable away from heat sources and moving parts, and secure it with cable ties to prevent vibration damage. The quick-connect socket can be left in place for future charging sessions.