Cyrix-Li-ct 12/24V-120A combiner
Cyrix-Li-ct 12/24V-120A combiner
he Cyrix-Li-ct 12/24V–120A combiner is an intelligent, microprocessor-controlled battery relay used in dual-battery systems (especially with LiFePO₄ and lead-acid setups).
It automatically connects batteries in parallel when charging voltage is detected (around 13.4V / 26.8V) and disconnects them when voltage drops or a BMS signals a fault. It’s mainly used to safely combine a starter battery and a lithium service battery without voltage loss like diode isolators. It also includes protection features for over-voltage, temperature, and a start-assist function.
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Key Features
Automatic battery combining & separation
Connects batteries in parallel when charging voltage is detected and disconnects when voltage drops or BMS signals a fault.
Optimized for LiFePO₄ + lead-acid systems
Specifically designed to safely link a lithium service battery with a starter (lead-acid) battery using BMS control logic.
120A continuous current rating
Suitable for medium DC systems (starter batteries, dual-battery setups, marine/solar).
12V / 24V auto-ranging operation
Automatically detects system voltage without manual adjustment.