The Cyrix 24/48‑400A is an intelligent auto-ranging battery combiner that uses trend-based monitoring to avoid unwanted switching and enables emergency parallel starting.

• Auto-detects 24 V and 48 V systems
• Rated continuous current: 400 A
• Trend-based switching with four selectable timing profiles
• Virtually no voltage loss - ideal diode isolator replacement
• Bidirectional voltage sensing and dual power supply
• Will not close if one battery
• Manual push-button engage (closes for 30 s) for emergency parallel starting
• Prioritises starter battery; connects accessory batteries when starter reaches connect voltage

Suited to marine and off-grid systems needing reliable, low-loss battery combining and safe automatic or manual operation. See Battery management for related products.