Auscell 12V 4Ah Sealed Lead Acid Battery – CJ12-4
Need a compact and dependable backup battery for security systems, emergency equipment, UPS applications or other standby power requirements? The Auscell 12V 4Ah Battery is a maintenance-free sealed lead acid (VRLA) battery designed to provide reliable power in a compact footprint.
The Auscell CJ12-4 combines a heavy-duty grid, thick plates and specialised additives to deliver dependable standby performance and a 5-year floating design life. With a rated capacity of 4.0Ah at the 20-hour rate, it is well suited to equipment requiring a reliable 12V rechargeable battery for backup or cyclic operation.
Reliable 12V 4Ah Backup Power
The CJ12-4 is a general-purpose 12V sealed lead acid battery designed to meet IEC and JIS standards. Its sealed, maintenance-free construction means there is no need to add water during normal operation, making it a practical replacement battery for installations where reliability and minimal maintenance are important.
With a maximum discharge current of 80A for 5 seconds and an internal resistance of approximately 45mΩ, the CJ12-4 is capable of supplying short bursts of higher current when required while still providing dependable long-term standby service.
Auscell CJ12-4 Specifications
-
Model: CJ12-4
-
Battery Type: Sealed Lead Acid / VRLA
-
Nominal Voltage: 12V
-
Rated Capacity: 4.0Ah @ 20-hour rate to 1.75V per cell at 25°C
-
Cells Per Unit: 6
-
Design Life: 5 years in float service
-
Weight: Approx. 1.3kg
-
Dimensions: 90mm (L) × 70mm (W) × 107mm (H)
-
Maximum Discharge Current: 80A for 5 seconds
-
Internal Resistance: Approx. 45mΩ
-
Terminal: Faston Tab 187 (F1) / Faston Tab 250 (F2)
-
Container Material: ABS UL94-HB
Charging Specifications
-
Float / Standby Charging Voltage: 13.7V–13.9V DC per battery at 25°C
-
Equalisation / Cycle Charging Voltage: 14.6V–14.8V DC per battery at 25°C
-
Recommended Maximum Charging Current: 1.35A
Operating Temperature Range
-
Discharge: -20°C to 60°C
-
Charge: 0°C to 50°C
-
Storage: -20°C to 60°C
-
Normal Operating Temperature: 25°C ±5°C
Long-Life, Low-Maintenance Battery
The Auscell CJ12-4 has a self-discharge rate of less than 3% per month at 25°C, helping retain capacity during periods of storage. The manufacturer specifies that VRLA batteries can be stored for more than six months at 25°C, although the battery should be recharged before use and periodic supplementary charging is recommended during extended storage.
Common Applications
The Auscell 12V 4Ah Battery is suitable for a wide range of general-purpose standby and rechargeable battery applications, including:
- Security and alarm systems
- Access control systems
- Small UPS and backup power systems
- Emergency lighting
- Electronic and portable equipment
- General standby power applications
Each purchase includes one (1) Auscell CJ12-4 12V 4Ah Sealed Lead Acid Battery.