Victron
Victron Cyrix-Li-charge 12/24V 120A
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Victron Cyrix-Li-charge 12/24-120 is a microprocessor controlled charge relay for lithium systems, fitted between a battery charger and a Victron LiFePO4 battery. It allows charging only when the Victron VE.Bus BMS permits it, and disconnects the charger the instant the BMS signals a cell over voltage or over temperature, protecting the lithium cells.
Rated at 120 A continuous, it connects the charger with a three second delay when the BMS charge disconnect output is high, when it senses 13.0 V (26.0 V on 24 V, 52.0 V on 48 V) or more on the charger terminal, and when it detects at least 2 V on the battery terminal. Once engaged it briefly opens after an hour to re check that the charger is still enabled, and it reconnects automatically when the charger voltage returns.
The Cyrix-Li-charge is used where a charging source cannot be controlled directly by the BMS, such as a mains charger, alternator or solar charger. It is intended for 12 V and 24 V systems and must be used with a Victron VE.Bus BMS (or miniBMS) and Victron lithium batteries.
PRODUCT DETAILS
- Charge relay for lithium systems, 120 A continuous
- Fitted between a charger and a Victron LiFePO4 battery
- Controlled by a Victron VE.Bus BMS for full lithium protection
- Connects the charger with a 3 second delay once conditions are met
- Disengages immediately on cell over voltage or over temperature
- Rechecks charger status after 1 hour and reconnects automatically
- Used where a charger cannot be controlled directly by the BMS
- Compact IP54 enclosure for 12 V and 24 V systems
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Key specifications
| Continuous current | 120 A |
| System voltage | 12/24 V |
| Technology | Relay (microprocessor-controlled) |
| Breaking capacity at 48 V | 40 A |
Operation
| Function | Charge relay between charger and LiFePO4 battery |
| Control input | Engages when high (approx. battery voltage), disengages when free floating or pulled low |
| Connect condition | BMS charge output high, 13.0 V / 26.0 V on charger terminal and at least 2 V on battery terminal, 3 second delay |
| Disconnect condition | Immediate on cell over voltage / over temperature; rechecks after 1 hour |
General
| Current consumption when open | < 4 mA |
Enclosure
| Protection category | IP54 |
| Dimensions (H x W x D) | 46 x 46 x 80 mm |
| Weight | 0.11 kg |
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