Drom Power 2-FM-6 (4V 6Ah/20HR) Sealed Lead Acid Rechargeable Battery
The Drom Power 2-FM-6 (4V 6Ah/20HR) Sealed Lead Acid Rechargeable Battery is a compact and reliable energy storage solution designed for low-voltage backup and standby applications. Built with valve-regulated lead acid (VRLA) and absorbed glass mat (AGM) technology, this battery delivers a stable 4-volt output and a 6Ah capacity at the 20-hour rate, ensuring dependable performance for small electronic devices. Its sealed and maintenance-free design prevents electrolyte leakage and allows safe operation in various positions. The battery is ideal for applications such as emergency lighting, alarm systems, medical devices, electronic toys, and other equipment that require reliable backup power.
Product Features
Sealed Maintenance-Free Construction
The VRLA sealed lead acid design eliminates the need for electrolyte refilling or routine maintenance. Its leak-proof construction ensures safe and convenient operation in standby power systems.
Stable 4V Power Output
With a nominal voltage of 4 volts and a capacity of 6Ah at a 20-hour rate, this battery provides consistent power delivery for devices requiring low-voltage energy storage.
AGM Spill-Proof Technology
Absorbed Glass Mat (AGM) technology securely holds the electrolyte within fiberglass separators, preventing leakage and allowing installation in multiple orientations.
Durable and Reliable Design
The battery is constructed with high-quality internal plates and a rugged casing that provides resistance to vibration and impact, ensuring reliable long-term performance.
Low Self-Discharge for Standby Applications
Designed for backup power systems, the battery maintains its charge during storage with a low self-discharge rate, ensuring readiness when power is required.
Wide Range of Applications
The Drom Power 2-FM-6 battery is suitable for emergency lighting units, alarm systems, medical devices, electronic toys, and other small electronic systems that require dependable backup power.
Product Specifications
- Battery model: 2-FM-6
- Battery type: Sealed lead acid (SLA), valve-regulated (VRLA) AGM
- Nominal voltage: 4V
- Capacity: 6Ah (20-hour rate)
- Number of cells: 2
- Rechargeable: Yes
- Maintenance: Maintenance-free sealed design
- Approximate weight: About 0.66 kg
- Maximum discharge current: Up to 60A (5 seconds)
- Internal resistance: Approximately 20 mΩ when fully charged
- Float charging voltage: 4.5V – 4.6V
- Cycle charging voltage: 4.8V – 5.0V
- Maximum charging current: Approximately 1.8A
- Operating temperature range: −20°C to 60°C (discharge)
- Storage temperature range: −20°C to 60°C
- Construction: Spill-proof sealed ABS casing
- Typical applications: Emergency lighting, alarm systems, medical equipment, electronic toys, and backup power devices.





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