PHOTONIC UNIVERSE DEEP CYCLE SERIES 24V 300Ah AGM Deep Cycle Battery Bank 12 x 2V Batteries | Robust Energy Storage for Off-Grid Systems The Photonic Universe 24V 300Ah AGM Deep Cycle Battery Bank (SKU: AGM300AH-12SET) provides a reliable and powerful energy storage solution for demanding off-grid and large power systems. This bank is uniquely comprised of twelve high-quality 2V AGM batteries, connected in series to form a robust 24V system with a total nominal capacity of 7.2kWh. Supplied complete with metal plate connectors, it offers straightforward installation for a cohesive power setup. Designed for longevity and consistent performance, this battery bank leverages the inherent advantages of 2V cells over traditional 12V battery configurations. Its deep cycle capabilities make it ideal for applications requiring a steady, powerful energy supply over extended periods, ensuring your critical systems remain operational. SYSTEM CAPACITY: 24V Nominal Voltage • 300Ah (10hr rate) • 7.2kWh Total Energy Key Features & Benefits ▶ Enhanced Longevity — 2V cells in series ensure even charge/discharge for a longer service life. ▶ Deeper Discharge Capability — Thicker plates in 2V batteries allow for greater energy draw. ▶ Maintenance-Free AGM — Sealed, non-spillable design requires no electrolyte top-up. ▶ High Resilience — Absorbed Glass Mat (AGM) technology provides excellent resistance to shock and vibration. ▶ Low Self-Discharge Rate — Retains charge for longer periods, ideal for seasonal use or backup systems. ▶ Safety Valve Installed — Integrated pressure control for enhanced operational safety. Technical Specifications Parameter Value Nominal Voltage (per 2V cell) 2V Nominal Capacity (10hr rate) 300Ah Nominal Capacity (20hr rate) 330Ah Maximum Charging Current (per cell) 60A Cycle Lifetime (30% D.O.D.) 1000 Cycles Terminal Type F18/F31, M10 bolts Operating Temperature -10°C to +40°C Dimensions (per 2V cell, incl. terminals) 171 x 151 x 365 mm Weight (per 2V cell) 16.8 kg Nominal Voltage (24V bank) 24V Nominal Capacity (24V bank) 7.2 kWh Total Weight (24V bank) 204 kg Dimensions (24V bank, default arrangement) 1835 x 171 x 365 mm Charging Parameters & System Notes Parameter Value (for 24V Bank) Maximum Charging Current 60A Charging Voltage (Cycle Use) 28.2V Charging Voltage (Standby Use) 27.4V Temperature Compensation (Cycle Use) -30mV/°C Temperature Compensation (Standby Use) -18mV/°C This 24V battery bank is designed for optimal performance with compatible 24V solar charge controllers and inverters. Always ensure your charging equipment is correctly configured for AGM battery types and the specified charging voltages to maximise battery lifespan and efficiency. Typical Applications Application Description Off-Grid Power Systems Ideal for household off-grid systems, cabins, and remote installations requiring continuous power. Renewable Energy Storage Suitable for solar, wind, and hybrid energy systems to store generated power. Mobile & Marine Power Powers large systems in motorhomes, caravans, boats, and other recreational vehicles. Backup & UPS Systems Provides emergency or back-up power for UPS systems and critical telecommunications equipment. Built-In Protection Functions The Photonic Universe 24V 300Ah AGM battery bank incorporates a pressure control safety valve for each 2V cell, designed to manage internal gas recombination and prevent excessive pressure build-up. As sealed AGM batteries, they are inherently non-spillable and maintenance-free, significantly reducing safety risks associated with electrolyte leaks and gassing during normal operation. This robust construction ensures reliable and safer energy storage for various applications. Common Questions Why choose a 2V battery bank over 12V batteries? 2V cells connected in series offer superior longevity and deeper discharge capabilities compared to 12V batteries, which often require complex series-parallel connections. The uniform charging and discharging across 2V cells lead to a considerably longer service life. What are the advantages of AGM battery technology? AGM (Absorbed Glass Mat) batteries are maintenance-free, spill-proof, and highly resistant to vibration and shock. They also feature a low self-discharge rate and a long service life, making them safe and reliable for various demanding applications. What systems is this 24V 300Ah battery bank suitable for? This battery bank is ideal for large power systems in motorhomes, caravans, and boats, as well as solar, wind, and hybrid energy systems. It's also well-suited for household off-grid power, emergency UPS, and telecommunications energy storage. How should I connect the 2V batteries? The twelve 2V batteries must be connected in series to achieve the 24V nominal system voltage. Metal plate connectors are supplied for this purpose. Always follow the provided user manual and consult a qualified installer for correct and safe wiring. Installation Notes Ensure installation is carried out by a qualified professional. Install in a well-ventilated area, away from direct sunlight and heat sources. Verify all connections are secure and correctly polarised to prevent damage. Allow adequate space around the battery bank for cooling and maintenance access. Do not install in a completely sealed compartment without ventilation. Before You Buy Confirm your system requires a 24V battery bank with 300Ah capacity. Check compatibility with your existing or planned charge controller and inverter. Measure available space to ensure the bank's dimensions (1835 x 171 x 365 mm default) are suitable. Consider the total weight (204 kg) for structural support and handling. Review the charging parameters to match your charger's capabilities. Please verify all specifications and compatibility requirements with your system designer or installer before purchase. This product is covered by a 1-year warranty.
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