6-FM-25AH 12V 25AH Lead-Acid Battery
12V 25AH Valve-Regulated Sealed Lead-Acid battery with moderate capacity and stable performance, an ideal choice for backup power and energy storage systems.
Technical Parameters
| Rated Voltage | 12V |
| Rated Capacity | 25AH (20hr) |
| Max Discharge Current | 375A (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 | ≤16 mΩ |
| Terminal | T2 |
| Dimensions | 181×77×167mm |
| Net Weight | approx. 7.5kg |
The 6-FM-25AH is one of the most widely used 12V lead-acid battery models, suitable for various backup power and energy storage scenarios.
Product Features
- Stable & Reliable — mature product design with consistent, stable performance
- Maintenance-Free — valve-regulated sealed structure, no electrolyte refill required
- Low Self-Discharge — retains over 80% capacity after 6 months of storage at room temperature
- Excellent Deep-Discharge Recovery — recovers well after deep discharge
- Wide Temperature Range — operates reliably from -20°C to 50°C
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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