Victron Cyrix Li-charge 120 Li-ion Battery Combiner (VSR)
Original price was: 102.00£.95.00£Current price is: 95.00£.
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Product Description
Victron Cyrix Li-charge 120 – Advanced Li-ion Battery Management
The Victron Cyrix Li-charge 120 Li-ion Battery Combiner (VSR) is a premium solution for optimising Li-ion battery performance in off-grid, mobile, and marine energy systems across the United Kingdom. This intelligent battery combiner ensures safe, efficient, and automatic charging between multiple batteries while preventing overcharge and deep discharge.
Intelligent Battery Combining
The Victron Cyrix Li-charge 120 automatically connects and disconnects batteries based on voltage levels, ensuring optimal charging and discharging. UK users benefit from seamless power distribution between starter and service batteries, extending battery life and improving system reliability.
Designed for Li-ion & VSR Applications
Specifically engineered for Li-ion batteries, the Cyrix Li-charge 120 manages high-current flows up to 120A while maintaining safe and stable operation. It’s compatible with Vehicle Separation Relay (VSR) systems, making it ideal for caravans, motorhomes, campervans, boats, and off-grid solar installations in the UK.
Easy Installation & Durable Design
The Victron Cyrix Li-charge 120 is designed for both professional installers and DIY enthusiasts. Its compact, rugged construction ensures reliable performance in demanding environments, while simple wiring allows for quick and efficient installation across mobile and off-grid applications.
Optimise Your Battery System
By providing automatic Li-ion battery combining, safe high-current handling, and durable design, the Victron Cyrix Li-charge 120 maximises battery efficiency and ensures reliable operation. It is an essential accessory for UK off-grid systems, marine applications, and mobile power setups.
Product Specification
Product Name: Victron Cyrix Li-Charge 120 Li-ion Battery Combiner (VSR)
Product Type: Voltage Sensitive Relay (VSR) / Battery Combiner
Function:
- Automatically combines or isolates two 12V lithium-ion (LiFePO4) battery banks based on voltage thresholds
- Ensures efficient charging of auxiliary batteries from a main battery or alternator without overloading the system
- Protects batteries from over-discharge by isolating them when voltage drops below safe levels
- Ideal for motorhomes, caravans, boats, and off-grid solar systems
Key Features:
- Designed specifically for Li-ion (LiFePO4) batteries
- Fully automatic operation; no manual switching required
- Low-resistance contacts for minimal voltage drop and energy loss
- High-current capability: 120A continuous current handling
- Voltage-sensitive relay operation: closes when voltage rises above threshold, opens when voltage falls below threshold
- Reverse polarity and short-circuit protected
Electrical Specifications:
- Nominal System Voltage: 12V DC (suitable for 12.8V Li-ion battery banks)
- Maximum Continuous Current: 120A
- Peak/Surge Current: Up to 240A (short-term, <10s)
- Operating Voltage Thresholds:
- Connect Voltage: ~13.5V DC
- Disconnect Voltage: ~12.8V DC
- Voltage Drop: <30 mV at rated current
- Quiescent Current: <10 mA
Safety Features:
- Reverse polarity protection to prevent damage from incorrect installation
- Short-circuit and overcurrent protection
- Thermal shutdown in case of overheating
- Automatic disconnection to protect batteries in low-voltage conditions
Construction & Environmental Specifications:
- Rugged, vibration-resistant housing for mobile and marine use
- Compact and lightweight design for panel or compartment mounting
- Operating Temperature: –20°C to +50°C
- Designed for environments with vibrations, shocks, and moderate moisture
Connectivity & Installation:
- Direct connection to the positive terminals of both battery banks
- Manual override option for emergency situations
- Easy to install; requires proper fusing per Victron guidelines
- Suitable for use with Victron BMS for full lithium battery management integration
Applications:
- Combines main and auxiliary 12V Li-ion battery banks in caravans, motorhomes, and boats
- Ensures safe charging of Li-ion batteries from alternators, solar controllers, or other DC sources
- Off-grid or mobile energy systems requiring high-current battery combining
- Smart charging systems integrated with Victron BMS
Compliance:
- CE certified
- Complies with relevant automotive, marine, and mobile electrical safety standards
Dimensions (approx.):
- Height: 100 mm
- Width: 50 mm
- Depth: 35 mm
Weight: ~0.3 kg
Warranty: Manufacturer warranty applies; check with local supplier for details
Delivery and Shipping
- At Prime Caravan Breakers we are committed to providing excellent Customer Service by sending orders as quickly as possible. Our stock levels are live and shown against each product.
- We use Trans Direct Shipping to provide our Customers with the most cost effective and suitable Courier service depending on their location.
- All orders are picked and packed in our Somerton Warehouse. We endeavour to use your nominated Courier but sometimes issues are beyond our control. If Courier pick up is going to be delayed or an item doesn’t get picked up, we will use our discretion and sometimes use UK Post and other methods to ensure your order reaches you quickly.Â
- Please ensure you enter the Correct Address. Should your parcel be returned to Prime Caravan Breakers the customer will be liable for any costs to resend.
- If you are local we offer pick up from our Somerton, Victoria factory. Over counter sales are welcomed from our fully stocked shop.
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