6-FM-66.2AH 12V 66.2AH Black Gold Series Battery
12V 66.2AH Black Gold Series Valve-Regulated Sealed Lead-Acid battery, a large-capacity flagship model suitable for large data centers, financial systems and hospitals.
Technical Parameters
| Rated Voltage | 12V |
| Rated Capacity | 66.2AH (20hr) |
| Max Discharge Current | 993A (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 | ≤6.5 mΩ |
| Terminal | T3 |
| Dimensions | 350×167×179mm |
| Net Weight | approx. 21.5kg |
The 6-FM-66.2AH is the flagship large-capacity model in the Black Gold Series, representing advanced VRLA battery manufacturing standards.
Product Features
- Black Gold Flagship — large-capacity flagship model with premium quality
- Ultra-Low Internal Resistance — only 6.5mΩ for excellent high-current performance
- Extremely Long Life — 5-7 year float life with excellent cycle life
- High Safety — flame-retardant case plus dual safety valve protection
- Wide Applications — data centers, finance, medical and other critical fields
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
Related Products
6-FM-54.2AH 12V 54.2AH Black Gold Series Battery
12V 54.2AH Black Gold Series VRLA battery, premium quality f
6-FM-60.2AH 12V 60.2AH Black Gold Series Battery
12V 60.2AH Black Gold Series VRLA battery, premium long-life
Need to Know More?
Our sales engineering team provides detailed parameters, pricing, and technical support
📩 Get a Quote