SGFYO 12V 5Ah Rechargeable Sla AGM Battery,Replacement for DJW12-4.5,Liftmaster/Craftsman 4228 Garage Door Opener,Emergency Light and More

The SGFYO SG12-5 is a 12V 5Ah maintenance-free SLA AGM battery designed to deliver stable, long-lasting power for a wide variety of small-scale electronic and backup applications. Engineered with heavy-duty calcium-alloy internal plates, this battery offers enhanced deep-cycle capabilities that support more than 600 charge-discharge cycles, ensuring extended service life and consistent performance over time. Unlike conventional flooded batteries that require regular maintenance, its fully sealed, leak-proof construction eliminates the need for electrolyte checks, water refills, and ongoing upkeep. The versatile design allows for safe installation in multiple positions, making it a reliable and convenient power solution for many everyday and industrial uses.

Specifications

Model Number: SG12-5
Voltage: 12V
Nominal Capacity (20HR): 5Ah
Dimensions (L×W×H): 3.54 × 2.76 × 3.98 inches
Weight: 3.06 lbs
Terminal Type: T1 (F1)
Chemistry: SLA / AGM
Polarity: Left Positive (+), Right Negative (–)
Operating Temperature: -4°F to 131°F
Cycle Use Voltage: 14.1V – 14.7V
Standby Use Voltage: 13.5V – 13.8V
Maximum Initial Charging Current: < 1.5A

Key Features

1. Leak-proof, sealed, and maintenance-free design. 2. Low self-discharge rate,service life of up to 5 years. 3. Excellent deep-cycle performance for repeated charge and discharge. 4. Shock and vibration resistant, performs reliably in harsh environments. 5. Fast charging with stable, consistent power output. 6. Can be installed in multiple positions (not for inverted use). 7. Safe and eco-friendly: made with pure lead, fully recyclable.

Battery Maintenance & Care

1.Recharge after each use to preserve performance and extend lifespan.
2.Avoid full discharge; always store in a fully charged state.
3.Regularly inspect terminals for corrosion or damage.
4.Store in a cool, dry area at approximately 68°F.
5.Batteries are recyclable – do not dispose of in regular trash.
6.Do not invert the battery, as this may cause leakage or failure.