Fuhua Battery GFM-300/2V 300Ah Specifications and Parameters

Specifications

• Rated Voltage: 2V
• Rated Capacity: 300Ah (10HR, 25°C)
• Dimensions: Length 170mm × Width 150mm × Height 325mm (Total Height 360mm)
• Weight: Approx. 18.35kg
• Internal Resistance: Approx. 0.43mΩ (25°C)
• Number of Terminals: 2
• Charging Method: Recommended constant voltage with current limiting
• Float Charge Voltage: 2.23 - 2.27V (25°C)
• Maximum Charging Current: 0.25C₁₀ Amperes (25°C), i.e., 75A
• Operating Temperature Range: -20°C to +45°C
• Capacity Retention Rate: Greater than 97% per month (25°C)
• Case Material: ABS (Flame-retardant ABS material optional)
• Design Life: 10 - 12 years for 2V standard series under float charge (25°C)

Performance Features

• Maintenance-Free Design: Utilizes advanced sealing technology and excellent oxygen recombination capability. Oxygen generated during charging is almost completely absorbed, eliminating the need for fluid replenishment. The electrolyte water content remains nearly unchanged.
• Excellent Discharge Performance: The plates are made with special materials and processes, resulting in low internal resistance, superior high-current discharge performance, and stable discharge voltage, providing reliable power to loads.
• Low Self-Discharge Rate: High-purity raw materials and additives are used, with a self-discharge rate of less than 3% per month, allowing the battery to maintain charge effectively during storage or non-use.
• Good Deep Discharge Recovery: A special electrolyte formulation enables the battery to recover well after deep discharge, effectively extending its service life.
• High Safety: Equipped with an internal safety valve to prevent gas inhalation from affecting performance and avoid damage due to abnormal internal pressure. No electrolyte or acid mist is emitted during normal float charging.

Application Areas

• Communication Systems: Provides reliable backup power for communication base stations, switch rooms, etc., ensuring continuous operation of communication equipment during power outages.
• Power Control Systems: Suitable for substation DC panels, relay protection devices, etc., ensuring stable and reliable operation of power systems.
• Railway Signaling Systems: Supplies backup power for railway signaling equipment, ensuring the safety and normal operation of railway transportation.
• Solar and Wind Power Systems: Serves as an energy storage unit to store excess electricity, improving energy utilization efficiency.
• Other Fields: Also applicable to security alarm systems, emergency lighting systems, electronic instruments, and other areas with high requirements for backup power.