Victron Energy / Skylla-TG Series Victron Skylla-TG 24/30 (1+1) Battery Charger 24V | 30A Main Output | Universal AC/DC Input The Victron Skylla-TG 24/30 (1+1) is a robust, fully automatic 24V battery charger designed for demanding marine, automotive, and off-grid applications. It features an intelligent 3-stage IUoUo charging characteristic, ensuring optimal battery health and extended lifespan for a wide range of battery types, including lead-acid (AGM, Gel, Flooded) and lithium. This versatile charger accepts a wide input voltage range, from 90-265V AC (45-65 Hz) and 90-400V DC, making it suitable for diverse global power sources. The "1+1" designation signifies its dual output capability, providing a full 30A for your main battery bank and a separate 4A output specifically for charging a starter battery. It can also function as a stable DC power supply when no battery is connected. Key Advantage: Universal input for global compatibility and dual outputs for comprehensive battery management. Key Features ▶ Fully Automatic IUoUo Charging — Microprocessor-controlled 3-stage charging optimises battery health and extends lifespan. ▶ Wide AC & DC Input Range — Accepts 90-265V AC and 90-400V DC, ensuring compatibility with diverse power sources worldwide. ▶ Dual Output Capability (1+1) — Provides a 30A main output for service batteries and a dedicated 4A output for starter batteries. ▶ Stable DC Power Supply Function — Delivers a perfectly stabilised 24V DC output, even without a battery connected. ▶ Temperature Compensated Charging — Includes a battery temperature sensor to adjust charge voltage for optimal performance and battery longevity. ▶ Voltage Sense Facility — Compensates for voltage loss across battery cables, ensuring the battery receives the correct charge voltage. Technical Specifications Parameter Value Nominal Battery Voltage 24V Main Charge Current 30A Secondary Charge Current (Starter Battery) 4A AC Input Voltage Range 90-265V AC (45-65 Hz) DC Input Voltage Range 90-400V DC Charging Characteristic IUoUo (3-stage) Number of Outputs 2 (1 main, 1 auxiliary) Protection Category IP21 Operating Temperature Range -40 to +50°C Dimensions (H x W x D) 365 x 250 x 147 mm Weight 5.5 kg Charging & Output Modes Mode Description Boost-Charge Rapidly charges the battery at maximum current until it reaches approximately 80% capacity. Equalize-Charge Maintains boost voltage while current slowly decreases; duration is pre-selectable (4, 8, or 12 hours). Float-Charge Reduces voltage to a safe level to maintain full charge without overcharging, suitable for continuous connection. DC Power Supply Provides a perfectly stabilised 24V DC output, allowing use as a power source without a battery. Typical Applications Application Description Marine Vessels Reliable charging for service and starter batteries on boats, yachts, and other marine craft. Off-Grid Systems Ideal for powering 24V battery banks in remote cabins, mobile homes, or standalone power setups. Industrial Equipment Maintaining batteries in machinery, backup power systems, or telecommunications infrastructure. Automotive & RV Charging leisure batteries in campers, caravans, and commercial vehicles. Built-In Protection Functions The Victron Skylla-TG 24/30 (1+1) charger incorporates several safety features to protect both the unit and your battery system. These include: Output Short Circuit Protection • Battery Reverse Polarity Detection • Battery Voltage Too High Protection • Over-temperature Protection. It also holds CE and GL (Germanischer Lloyd) certifications, indicating compliance with European and marine safety standards. Common Questions What does "IUoUo" charging mean? IUoUo refers to a 3-stage charging process: Boost (I), Equalize (Uo), and Float (Uo). This intelligent algorithm ensures batteries are charged quickly and safely to their optimal capacity, then maintained without overcharging, prolonging their lifespan. Can this charger be used as a power supply? Yes, the Victron Skylla-TG 24/30 (1+1) provides a perfectly stabilised 24V DC output. This allows it to function as a reliable DC power supply for various loads, even when no battery is connected to the system. What is the "1+1" output for? The "1+1" output configuration means the charger has two isolated outputs. The primary output delivers the full 30A for your main battery bank, while the secondary output provides 4A, specifically designed for charging and maintaining a separate starter battery. Is this charger suitable for continuous connection? Absolutely. The Skylla-TG charger is designed to remain connected to the battery continuously. Its intelligent float-charge mode prevents overcharging and gas formation, ensuring your batteries are kept in optimum condition without needing to be disconnected, even during long-term storage. Installation Notes Professional installation by a qualified technician is highly recommended to ensure safety and optimal performance. Ensure adequate ventilation around the charger to prevent overheating. Mount the unit in a dry location, away from flammable materials and excessive moisture. Verify correct cable sizing and fuse protection for both AC input and DC outputs. Always disconnect all power sources before making or breaking any connections to the battery or charger. Carefully observe battery polarity during connection to prevent damage. Refer to the comprehensive Victron Energy user manual for detailed installation instructions and wiring diagrams. Before You Buy Confirm your battery system's nominal voltage is 24V. Check the recommended battery capacity range (e.g., 150-500 Ah) to ensure compatibility with your battery bank. Verify your available AC and DC input power sources fall within the charger's specified ranges (90-265V AC, 90-400V DC). Consider the physical dimensions (365 x 250 x 147 mm) and weight (5.5 kg) for your intended mounting location. If integrating into a complex system, consult with a qualified solar or marine electrician. All specifications are based on manufacturer data and verified information. Always refer to the official Victron Energy manual for the most accurate and up-to-date product details before installation and use.
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