Motobatt MB18U 12V AGM Battery for Harley FXST (Yellow Case)
The Motobatt MB18U delivers 280 Cold Cranking Amps in a maintenance-free, 12-volt AGM package designed for Harley Davidson FXST models from 1997 to 2006.
- Fully sealed AGM design for maintenance-free operation
- Factory-activated; no acid filling required—charge and install after a 24-hour trickle charge
- Lock-bonded plates and stainless steel terminal bolts for secure, corrosion-resistant connections
- Heavy-duty pure lead calcium cast grids for high strength and longevity
- Military-grade absorbed glass matt separators for superior performance and lifespan
- Vibration-resistant construction tailored for motorcycle use
- Multi-terminal design for easy accessory installation
- Approximately 20% more amp-hour capacity and cold cranking amps than standard batteries
- Extremely low self-discharge rate for long shelf life
- Yellow case for visibility and identification
- Dimensions optimized to fit Harley Davidson FXST models
Fitment
Harley Davidson FXST models from 1997 to 2006.
Accessory Items
- 32-0317 - Heavy Duty Black Ground Battery Cable Assortment
- 16-0037 - Battery Activator Filler Tool
- 32-1414 - Black 19 inch Flexible Battery Cable
- 28-0626 - Battery Top Foam Pads
Absorbed Glass Mat technology provides 280 cold cranking amps and has a longer rechargeable life.
The Motobatt MB18U is a high-performance 12-volt AGM battery designed for reliable, trouble-free operation in Harley Davidson FXST models from 1997 to 2006. Housed in a durable yellow case, this fully sealed battery requires no maintenance and is ready for installation after a simple 24-hour trickle charge. Featuring lock-bonded plates and stainless steel terminal bolts, the MB18U offers a secure and corrosion-resistant connection, ensuring long-lasting durability. Its factory-activated design eliminates the need for acid filling, allowing you to simply charge and get back on the road quickly. The battery's advanced construction includes heavy-duty pure lead calcium cast grids that provide high strength and increased surface area per plate, leading to superior performance and extended lifespan. Its vibration-resistant design makes it well-suited for the demands of motorcycle use, and the multi-terminal setup facilitates easy addition of accessories. The MB18U boasts approximately 20% more amp-hour capacity and cold cranking amps compared to standard batteries, with a rating of 280 Cold Cranking Amps, ensuring reliable starts even in cold conditions. The use of military-grade absorbed glass matt separators enhances performance and longevity, while the extremely low self-discharge rate means the battery retains its charge during periods of inactivity. Its dimensions are optimized to fit seamlessly into Harley Davidson FXST models, making it an ideal replacement for OEM batteries. Whether you're replacing an existing battery or upgrading for better performance, the Motobatt MB18U delivers dependable power with minimal maintenance. **Accessory Items**: 32-0317 - Heavy Duty Black Ground Battery Cable Assortment, 16-0037 - Battery Activator Filler Tool, 32-1414 - Black 19 inch Flexible Battery Cable, 28-0626 - Battery Top Foam Pads.
Features:
- Fully sealed AGM design for maintenance-free operation
- Lock bonded plates and stainless steel terminal bolts for durability
- 20% more amp hour capacity and cold cranking amps for reliable performance
- Heavy-duty pure lead calcium cast grids for high strength and longevity
- Military grade absorbed glass matt separators for superior performance
- Vibration resistant construction ideal for motorcycle use
- Multi-terminal design for easy accessory installation
- Extremely low self-discharge rate for long shelf life
- Factory activated, ready to install after charging
Fitment:
Harley Davidson FLST 1997
Harley Davidson FLST 1998
Harley Davidson FLST 1999
Harley Davidson FLST 2000
Harley Davidson FLST 2001
Harley Davidson FLST 2002
Harley Davidson FLST 2003
Harley Davidson FLST 2004
Harley Davidson FLST 2005
Harley Davidson FLST 2006
Harley Davidson FLST 2007
Harley Davidson FLST 2008
Harley Davidson FLST 2009
Harley Davidson FLST 2010
Harley Davidson FLST 2011
Harley Davidson FLST 2012
Harley Davidson FLST 2013
Harley Davidson FLST 2014
Harley Davidson FLST 2015
Harley Davidson FLST 2016
Harley Davidson FLST 2017
Harley Davidson FLST 2018
Harley Davidson FLST 2019
Harley Davidson FLST 2020
Harley Davidson FLST 2021
Harley Davidson FLST 2022
Harley Davidson FLST 2023
Harley Davidson FLST 2024
Harley Davidson FLST 2025
Harley Davidson FLST 2026
Harley Davidson FXD 1997
Harley Davidson FXD 1998
Harley Davidson FXD 1999
Harley Davidson FXD 2000
Harley Davidson FXD 2001
Harley Davidson FXD 2002
Harley Davidson FXD 2003
Harley Davidson FXD 2004
Harley Davidson FXD 2005
Harley Davidson FXD 2006
Harley Davidson FXD 2007
Harley Davidson FXD 2008
Harley Davidson FXD 2009
Harley Davidson FXD 2010
Harley Davidson FXD 2011
Harley Davidson FXD 2012
Harley Davidson FXD 2013
Harley Davidson FXD 2014
Harley Davidson FXD 2015
Harley Davidson FXD 2016
Harley Davidson FXD 2017
Harley Davidson FXST 1997
Harley Davidson FXST 1998
Harley Davidson FXST 1999
Harley Davidson FXST 2000
Harley Davidson FXST 2001
Harley Davidson FXST 2002
Harley Davidson FXST 2003
Harley Davidson FXST 2004
Harley Davidson FXST 2005
Harley Davidson FXST 2006
Harley Davidson FXST 2007
Harley Davidson FXST 2008
Harley Davidson FXST 2009
Harley Davidson FXST 2010
Harley Davidson FXST 2011
Harley Davidson FXST 2012
Harley Davidson FXST 2013
Harley Davidson FXST 2014
Harley Davidson FXST 2015
Harley Davidson FXST 2016
Harley Davidson FXST 2017
Harley Davidson FXST 2018
Harley Davidson FXST 2019
Harley Davidson FXST 2020
Harley Davidson FXST 2021
Harley Davidson FXST 2022
Harley Davidson FXST 2023
Harley Davidson FXST 2024
Harley Davidson FXST 2025
Harley Davidson FXST 2026
Harley Davidson XL 1997
Harley Davidson XL 1998
Harley Davidson XL 1999
Harley Davidson XL 2000
Harley Davidson XL 2001
Harley Davidson XL 2002
Harley Davidson XL 2003
