Bosch Battery - FA109 YTX4L-BS

The Bosch FA109 YTX4L-BS is a sealed, maintenance-free battery ready for immediate use. It feature...

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Full details

The Bosch FA109 YTX4L-BS battery is designed for users needing a reliable, maintenance-free power source for their vehicles or equipment. Its key benefit is a leak-proof design and readiness for immediate use, ensuring convenience and reduced risk of damage. A potential caveat is its specific 12V, 3Ah capacity which may not suit all high-demand applications. This sealed battery offers 50A starting current, multi-position mounting, and enhanced durability, making it a robust choice for various environments, including cold climates.

All features

Model Part NumberFA109 YTX4L-BS
BrandBosch

Extended Product Information

FAQs

Is this battery truly maintenance-free?

Yes, the Bosch FA109 YTX4L-BS is a sealed, maintenance-free battery. You do not need to add water or check electrolyte levels.

Can this battery be mounted in any orientation?

The battery is watertight and designed for multi-position mounting, offering significant flexibility. However, always refer to your equipment's manual for specific mounting recommendations.

What is the lifespan of this battery?

Lifespan varies based on usage and maintenance, but the design features, such as reduced plate sulfation, contribute to longer durability compared to conventional batteries.

How do I charge this battery?

Use a charger specifically designed for AGM or sealed lead-acid batteries. Avoid using standard trickle chargers not rated for this type of battery, and ensure the charger's voltage and amperage are appropriate.

What does '50A starting current' mean?

This refers to the maximum current the battery can deliver for a short period to start an engine. A higher amperage generally indicates a stronger starting capability.

Is this battery suitable for all motorcycles?

While suitable for many, it's crucial to check your motorcycle's specific battery requirements (voltage, Ah capacity, physical dimensions, and terminal type) against the FA109 YTX4L-BS specifications.

Troubleshooting

Battery not providing power

Check all terminal connections for tightness and corrosion. Ensure the battery is fully charged. Verify that the battery's voltage and capacity meet the requirements of the connected device.

Slow engine cranking

Confirm battery terminals are clean and connections are secure. Recharge the battery fully. If the issue persists, the battery may be nearing the end of its lifespan or the starting current may be insufficient for the application.

Battery appears swollen

This can indicate overcharging or internal damage. Discontinue use immediately and consult a professional. Do not attempt to use or charge a swollen battery.

Pros and Cons

Pros

  • Maintenance-free operation reduces user effort and risk.
  • Watertight and multi-position mounting offers installation flexibility.
  • Improved durability and lifespan due to reduced sulfation.
  • Ready for immediate use upon purchase.
  • Suitable for use in cold weather conditions.

Cons

  • Specific 3Ah capacity might be insufficient for high-power demands.
  • Replacement cost may be higher than traditional flooded batteries.
  • Requires specific charging methods to maintain optimal performance.

Setup, Compatibility & Care

Setup: The Bosch FA109 YTX4L-BS is a sealed, spill-proof battery ready for immediate use. Ensure the battery terminals are clean and connect the positive (+) and negative (-) terminals securely according to your vehicle's manual. Reversing polarity can cause damage.

Compatibility: This battery has standard dimensions (113 x 70 x 85mm) and a 12V, 3Ah rating with a specific terminal layout (+ - polarity). Always confirm that these specifications match your device's requirements before installation. Consult your owner's manual or a qualified technician if unsure.

Care: As a maintenance-free battery, no regular watering is required. Keep the battery terminals clean to ensure good electrical contact. Avoid deep discharges, as they can shorten the battery's lifespan. If storing the battery for an extended period, ensure it is fully charged and consider using a compatible trickle charger. Charging should be done with a charger designed for AGM (Absorbent Glass Mat) or sealed lead-acid batteries.