Q-Batteries Battery - 12V 55Ah - AGM
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This guide is for users seeking a reliable, maintenance-free power source for standby and cyclic applications like solar systems, UPS, or mobility scooters. The Q-Batteries 12V 55Ah AGM battery offers high discharge rates and deep cycle capabilities with a long service life, ensuring dependable performance. A key consideration is its specific use case suitability; while versatile, it's designed for applications where consistent power and endurance are paramount, and not for high-vibration environments.
All features
| Model Part Number | 12LFT-55 |
|---|---|
| Brand | Q-Batteries |
Extended Product Information
FAQs
Is this battery truly maintenance-free?
Yes, the AGM technology means there is no need to add water or check electrolyte levels. It is sealed and valve-regulated.
What is the expected lifespan of this battery?
The service life depends heavily on usage patterns, depth of discharge, and charging practices. However, AGM batteries are engineered for long service life under appropriate conditions.
Can I use this battery for a car starting application?
This battery is designed for standby and cyclic applications, not for the high cranking amps required for starting internal combustion engines. Using it in such an application may lead to premature failure.
What is the recommended charging voltage for this battery?
For optimal performance and lifespan, use a charger specifically designed for AGM batteries, typically with a float voltage around 13.5-13.8V and an absorption voltage around 14.4-14.7V at 20°C.
How should I store the battery if I'm not using it?
Store in a cool, dry place (ideally between 0°C and 25°C) and ensure it is at least 50% charged. Due to its low self-discharge rate, it will retain its charge for a considerable time.
What are the dimensions of the battery?
The dimensions are approximately 277 mm (Length) x 106 mm (Width) x 222 mm (Height).
Troubleshooting
Battery not holding charge
Ensure the charging system is functioning correctly and compatible with AGM technology. Check for loose connections or corrosion on terminals.
Reduced performance or capacity
The battery may have undergone excessive deep discharges. Ensure it is fully recharged and avoid discharging below 50% of its capacity for cyclic applications. Check charging parameters.
Battery swelling or casing damage
This can indicate overcharging or excessive heat. Immediately disconnect the battery and charger, and inspect the charging system. Do not attempt to use a damaged battery.
Device connected to battery not powering on
Verify battery voltage is sufficient (check with a multimeter). Ensure all connections are secure and correct polarity is maintained. Check the device's power requirements.
Pros and Cons
Pros
- Maintenance-free operation due to AGM technology
- Reliable performance in both standby and cyclic use
- Deep cycle capability for extended power delivery
- Leak-proof design for enhanced safety
- Long service life reduces replacement frequency
- Very low self-discharge rate for prolonged storage
Cons
- Not explicitly designed for high-vibration environments
- Requires proper charging and maintenance protocols for optimal lifespan
- Weight can be a factor for portable applications
Setup, Compatibility & Care
Setup: Ensure the battery is installed in a well-ventilated area. Connect the battery terminals securely using appropriate connectors, paying attention to polarity (+/-). Always use a charger compatible with AGM batteries and set to the correct voltage.
Compatibility: This battery is designed for 12V systems. It is compatible with solar charge controllers, UPS units, mobility scooter controllers, and alarm systems that specify AGM battery compatibility. Check device specifications for voltage and capacity requirements.
Care: As a maintenance-free battery, regular watering is not required. Periodically inspect terminals for corrosion and ensure connections are clean and tight. Avoid overcharging or deep discharging below recommended levels. Store the battery in a cool, dry place if not in use, and check its charge level periodically.