Duracell DR4-6 6V 4Ah VRLA AGM Battery with F1 Terminals

For emergency lighting installers and UPS service technicians, the Duracell DR4-6 provides a dependable 6V 4Ah power source in a sealed, maintenance-free package. Its AGM construction immobilizes the electrolyte, allowing safe operation in any orientation and eliminating the need for water top-ups. Ideal for standby and cyclic applications, this battery delivers consistent performance over a 3-5 year float life.

Key specifications

• Nominal voltage: 6V
• Capacity: 4Ah (20-hour rate)
• Technology: VRLA AGM (Valve Regulated Lead Acid, Absorbent Glass Mat)
• Terminal type: F1 (Faston Tab 187)
• Design life: 3-5 years in float service
• Internal resistance: approx. 25 mΩ
• Max discharge current: 60A (5 seconds)
• Max charge current: 1.2A
• Float charge voltage: 6.75 - 6.90V at 25°C
• Cycle use voltage: 7.20 - 7.50V at 25°C
• Operating temperature (discharge): -15°C to 50°C
• Operating temperature (charge): -15°C to 40°C
• Self-discharge rate: less than 3% per month at 20°C
• Case material: ABS plastic
• Safety: spill-proof, leak-proof

Why choose it

Duracell's AGM technology immobilizes the electrolyte in fiberglass mats, preventing leaks and allowing the battery to be mounted in nearly any position. It is truly maintenance-free, with no need to check water levels or add acid. The low self-discharge rate means it retains charge during storage, and the rugged ABS case withstands everyday knocks. With a 3-5 year float life, it offers long-term reliability for critical standby applications.

Ideal use cases

• Emergency lighting and exit signs
• Uninterruptible power supplies (UPS)
• Security and fire alarm systems
• Electric scooters and mobility aids
• Medical devices and portable equipment

Good to know

The battery can be operated in any orientation except continuous inverted use. For optimal performance, store in a cool, dry place and recharge every 6 months if unused. Always use a compatible charger to avoid overcharging.