MotoBatt MB51814 QuadFlex AGM Battery 12 V / 22 Ah for Motorcycles & Powersport Vehicles

The MotoBatt MB51814 QuadFlex AGM battery is the ideal choice for motorcycles, ATVs, UTVs and powersports vehicles that require high performance, reliable starting and minimal maintenance.

Thanks to Absorbed Glass Mat (AGM) technology, this battery is sealed, requires no refilling, does not leak electrolyte, and can be installed in almost any position. The patented QuadFlex system offers four terminals (2 positive + 2 negative) and integrated spacers to easily fit multiple models with a single unit.

Main features

• Hermetic AGM technology: no maintenance, no acid leaks.
• QuadFlex 4-terminal design: Allows for multiple mounting orientations and universal compatibility.
• High capacity and starting: approximately 22 Ah and approximately 220 A (CCA) for superior performance.
• Ready to use: Factory activated, no initial charging required.
• Vibration resistant and designed for demanding conditions.

Technical data

Recommended compatibility

This battery is suitable for many motorcycle models (e.g. various BMW models such as R1100, R1200, K75, K1200, etc.) that use the codes 51814 or 51913 as a reference.

⚠️ Before purchasing, always check:

• The internal dimensions of the battery compartment.
• The terminal type and polarity required by the vehicle.
• That the charging system (alternator/regulator) is in good condition.

User Benefits

• Quick installation: it is supplied ready to use, without the need for top-ups or maintenance.
• Reliability: designed for superior starting performance even in difficult conditions (cold, frequent restarts).
• Versatility: Thanks to the 4-terminal system, it can adapt to multiple scenarios and wiring types.
• Longer life: AGM technology and internal structure reduce the wear and stress typical of traditional batteries.

Some assembly and maintenance tips

• Although maintenance-free, it is good practice to keep the battery fully charged if the vehicle is not used for long periods (especially during winter storage).
• Avoid prolonged deep discharges: Even AGM batteries prefer to be recharged rather than left discharged.
• Before installing it, make sure that the battery compartment is clean and that the connection terminals are free from corrosion.
• Use a charger compatible with AGM batteries for extended storage.

Conclusion

If you are looking for a premium , “plug & play”, maintenance-free battery compatible with many motorcycles and powersport vehicles, the MotoBatt MB51814 QuadFlex AGM represents one of the top-of-the-range solutions.