SMARTPASS 120S POWER MANAGEMENT SYSTEM

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CTEK SMARTPASS 120S – Power Management System

The CTEK SMARTPASS 120S is an advanced power management system designed to distribute, control, and optimise energy throughout your dual battery setup. Ideal for 4WDs, caravans, camper trailers, and boats, it works seamlessly with the CTEK D250 series to deliver a fully automated, high-performance dual battery solution.

Key Features:

• 120A Energy Management – Automatically handles loads up to 120 amps, directing power where it's needed most.
• Prioritised Charging – Ensures your start battery is always charged first before switching to auxiliary battery charging.
• Intelligent Load Protection – Protects sensitive electronics by disconnecting non-critical loads if voltage drops too low.
• Battery Guard Function – Prevents deep discharge by disconnecting the auxiliary battery at safe voltage levels.
• Seamless Integration with CTEK D250SE or D250SA – Works as part of a complete smart dual battery system for maximum efficiency and battery lifespan.
• Built for Harsh Conditions – Vibration, dust, and water-resistant (IP65 rated) – perfect for off-road and marine environments.
• Maintenance-Free Operation – Fully automatic, with no user input required once installed.

Specifications:

• Charging Current: Up to 120A
• System Voltage: 12V DC
• Battery Types: AGM, GEL, EFB, Calcium, Lithium (LiFePO4)
• IP Rating: IP65 – dust and splash-proof
• Operating Temp: -20°C to +50°C

Whether you're running fridges, lights, inverters or charging devices, the CTEK SMARTPASS 120S intelligently manages your system to keep you powered up, longer.