6-FM-54.2AH 12V 54.2AH Black Gold Series Battery
12V 54.2AH Black Gold Series Valve-Regulated Sealed Lead-Acid battery, a premium series with comprehensively upgraded performance for demanding applications.
Technical Parameters
| Rated Voltage | 12V |
| Rated Capacity | 54.2AH (20hr) |
| Max Discharge Current | 813A (5s) |
| Charge Voltage | 14.4-15.0V (25°C) |
| Float Voltage | 13.5-13.8V (25°C) |
| Operating Temperature | -20°C ~ 50°C |
| Internal Resistance | ≤8 mΩ |
| Terminal | T3 |
| Dimensions | 228×138×210mm |
| Net Weight | approx. 16.8kg |
The 6-FM-54.2AH belongs to the Black Gold premium series, featuring higher purity raw materials and more precise manufacturing processes.
Product Features
- Black Gold Premium Series — selected high-purity raw materials, comprehensively upgraded performance
- Ultra-Long Float Life — 5-7 year design float life
- High-Purity Grids — high-tin low-calcium alloy with outstanding corrosion resistance
- Precision Manufacturing — fully automated line ensures high consistency
- Low Internal Resistance — below 8mΩ for excellent high-current discharge
Strictly controlling every process to ensure product quality
Cell Sorting
Using high-precision sorting equipment for capacity, internal resistance, and voltage consistency screening...
Tab Welding
Fully automatic laser welding with high strength, low internal resistance, and excellent consistency...
PACK Assembly
Modular PACK assembly line, strictly following SOP standards...
BMS Testing
Each BMS board undergoes overcharge, over-discharge, overcurrent, short circuit, and temperature control testing
Aging Test
Full capacity aging cabinet 72-hour charge/discharge cycle test...
Final Inspection
Final appearance inspection, insulation resistance test, airtightness test...
Multiple international certifications for quality and safety assurance
ISO 9001
Quality Management System Certification
ISO 14001
Environmental Management System Certification
CE Certification
EU Safety Certification
UL Certification
US Safety Certification
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