Red Battery 12 v 18 ah

Red Battery 12V 18Ah Maintenance-Free Dry Battery

Red Battery 12V 18Ah battery is a maintenance-free dry-type battery featuring VRLA (Valve Regulated Lead Acid) technology, offering high energy density and a long service life. With a nominal voltage of 12 volts and a capacity of 18Ah, this model provides a reliable and stable power source for UPS systems, security and alarm panels, telecommunications infrastructure, medical devices, and industrial equipment.

Thanks to its low internal resistance (approximately 15 mΩ), it responds quickly to sudden loads and offers high discharge performance. Its compact design, robust body structure and leak-proof construction ensure both safe and long-lasting use.

Technical Specifications

• Nominal Voltage: 12V (6 cells)
• Capacity (20HR – 10.5V): 18Ah
• Capacity (10HR – 10.5V): 16.8Ah
• Capacity (1HR – 9.60V): 11Ah
• Terminal Types: T3 / T12
• Internal Resistance (25°C, fully charged): Approximately 15 mΩ
• Maximum Charging Current: 5.4A
• Maximum Discharge Current: 270A (5 seconds)
• Approximate Weight: 5.00 kg ±4%

Dimensions

• Length: 181 ±2 mm
• Width: 77 ±1 mm
• Height: 167 ±2 mm
• Total Height: 167 ±2 mm

Temperature Performance

The Red Battery 12V 18Ah model is designed to deliver stable performance in different climatic conditions.

• Capacity at 40°C: 102%
• Capacity at 25°C: 100%
• Capacity at 0°C: 85%
• Capacity at -15°C: 65%

The nominal operating temperature is 25°C ±3°C. The operating range is between -15°C and +50°C during discharge and between -10°C and +50°C during charging. The storage temperature is between -20°C and +50°C.

Charging Features

• Float Charge Voltage (25°C): 13.60 – 13.80V
• Temperature compensation: -18mV/°C/Block
• Cyclic Charge Voltage (25°C): 14.50 – 15.00V
• Temperature compensation: -30mV/°C/Block

Thanks to advanced charging parameters, it provides safe and efficient performance in both continuously connected (float) systems and applications requiring periodic use.

Low Self-Discharge

• Remaining capacity after 3 months: 91%
• 6 months later remaining capacity: 82%
• 12 months later remaining capacity: 65%

Thanks to its low self-discharge rate, capacity loss is minimal even during long-term storage. It is an ideal solution for backup power applications.

Areas of Use

• UPS (Uninterruptible Power Supplies)
• Alarm and security systems
• Emergency lighting systems
• Telecommunications equipment
• Medical devices
• Solar energy systems
• Industrial control panels
• Automation systems

Key Benefits

• Maintenance-free and leak-proof design
• High surge discharge capacity
• Low internal resistance with strong performance
• Long service life
• Stable operation over a wide temperature range
• Robust and durable body construction

Red Battery 12V 18Ah dry battery; reliable, durable and high performance energy storage solution seeking a7> energy storage solution seeking users for ideal choice. Industrial and individual applications uninterrupted, stable and long-lasting energy supply.