Victron Cyrix-ct 12/24V-120A Battery Combiner Kit - CYR010120110R

Victron Energy CYR010120110R – Cyrix-ct 12/24V-120A Battery Combiner Kit is an all-in-one solution for adding a second or third battery to your vehicle, boat, or RV without altering factory wiring. The Cyrix-ct is a smart, bidirectional voltage-sensitive relay that combines batteries for charging and isolates them when charging ends, preventing battery drain of the starter battery.

This model supports both 12V and 24V systems and includes intelligent monitoring logic to avoid rapid cycling. An emergency parallel function allows for manual override to combine batteries in critical situations. The kit includes all necessary cables and accessories for a clean and simple installation.

Technical Specifications:

Kit Contents:

• 1 × Cyrix-ct 12/24-120A relay
• 1 × 6m RED 10 mm² battery cable
• 1 × 0.5m BLACK 10 mm² battery cable
• 1 × 0.2m BLACK 1.5 mm² cable with M8 lug and fast-on terminal
• 2 × M8 cable lugs with insulation sleeves
• 4 × M6 cable lugs with insulation sleeves
• 4 × 150 mm cable ties

Key Features:

• Smart battery combiner for dual or triple battery systems.
• Automatic 12V/24V voltage detection and control.
• Protects starter battery by isolating it when not charging.
• Supports manual emergency start function via ‘start assist’ terminal.
• Intelligent trend-based voltage monitoring to prevent cycling.
• Easy installation with included pre-terminated cables and accessories.

Typical Applications:

• Marine vessels with house and starter batteries
• RVs and motorhomes with auxiliary power systems
• Automotive dual-battery installations

Note: The Cyrix-ct should be mounted near the smallest battery (usually the starter battery), away from hot or wet areas. Always install appropriate fuses according to the cable cross-section, not exceeding 120A.

Looking for a different Victron Battery Combiners? Explore our full Victron Cyrix Battery Combiners product range.