Agent quotation of Fudan Battery GFM-500/2V 500Ah

Room 313, 3rd Floor, Building 1, Courtyard 4, Fze Road, Fangshan District, Beijing, 10000
胡祥飞
17662238989
zxc123321_0823@qq.com

Rated Voltage: 2V
Rated Capacity: 500Ah (10HR, 25℃)
Dimensions: Typically approximately Length 240mm × Width 170mm × Height 330mm (Total Height 365mm) (Specific dimensions may vary slightly by production batch)
Weight: Approximately 30kg
Internal Resistance: Low, generally around 0.3mΩ (25℃)
Number of Terminals: 4
Charging Method: Recommended constant voltage with current limiting
Floating Charge Voltage: 2.23 - 2.27V (25℃)
Maximum Charging Current: 0.25C₁₀ Amperes (25℃), i.e., 125A
Operating Temperature Range: -20℃ - +45℃
Capacity Retention Rate: Over 97% per month (25℃)
Housing Material: ABS (Flame-retardant ABS is optional)
Design Life: 10 - 12 years of floating charge life for 2V standard series (25℃)

High Safety: No electrolyte leakage, battery expansion or rupture risk during normal use. Equipped with an internal safety valve, it can effectively control internal battery pressure, has excellent explosion-proof and acid mist filtration functions, prevents gas inhalation from affecting performance, and avoids damage to the battery due to abnormal internal pressure⁴⁷.
Excellent Discharge Performance: Stable discharge voltage and flat discharge platform, providing reliable power to loads. The plates are made of special materials and processes, offering good high-current discharge performance, meeting the needs of equipment requiring high instantaneous current⁴⁷.
Resistance to Multiple Working Conditions: Features excellent vibration resistance, shock resistance, over-discharge resistance, over-charge resistance and high-current resistance⁴⁷. For example, a fully charged battery vibrates for 1 hour at an amplitude of 4mm and a frequency of 16.7Hz, or is dropped naturally from a height of 20cm onto a 1cm-thick hard wooden board 3 times, with no leakage, expansion, rupture or abnormal open-circuit voltage⁴⁷.
Low Self-Discharge Rate: Made with high-purity raw materials and additives, the self-discharge rate is less than 3% per month, effectively retaining power during storage or non-use and reducing the frequency of charging maintenance.

Communication Systems: An ideal backup power source for communication base stations, switching rooms, etc., providing continuous power to communication equipment during grid outages and ensuring stable operation of communication networks.
Power Systems: Suitable for substation DC screens, relay protection devices, etc., providing stable DC power for reliable operation of power systems.
Emergency Lighting and Safety Systems: Can be used as a backup power source for emergency lighting systems, fire detection and extinguishing systems, safety alarm systems, etc., ensuring normal operation of related equipment in emergencies and safeguarding personnel safety and facility functionality.
New Energy Systems: Serves as an energy storage unit in solar and wind power generation systems, storing excess electricity, balancing power supply and improving energy utilization efficiency.
Other Fields: Widely used in railway signal systems, marine equipment, automation control systems, computer backup power supplies, medical system equipment, electronic instruments and other fields requiring high reliability of backup power sources.

	Electrical Equipment & Supplies/Batteries/Storage Batteries

17662238989