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The Motobatt MB18U is a fully sealed AGM battery designed for maintenance-free service and an exact fit. It features a yellow case, lock-bonded plates, stainless steel terminal bolts, and a factory-activated design with no acid to fill. Charge the battery for 24 hours before installation.
Built with heavy-duty pure lead-calcium cast grids, military-grade absorbed glass mat separators, and vibration-resistant construction, this battery provides 280 cold cranking amps, 20% more amp-hour capacity, and 20% more cold cranking amps. Its multi-terminal design makes it easy to add accessories, while the extremely low self-discharge rate supports convenient storage and use.
The Motobatt MB18U fits 1997–2006 Harley-Davidson FXST models. It is also cross-referenced with OEM part number 65989-97A.
Features:
- Battery Type: Fully sealed AGM battery
- Voltage: 12 volts
- Cold Cranking Amps: 280
- Construction: Heavy-duty pure lead-calcium cast grids with military-grade absorbed glass mat separators
- Service: Maintenance-free, factory activated, and requires no acid filling
- Durability: Vibration-resistant design with lock-bonded plates
- Terminals: Stainless steel terminal bolts and multi-terminal design
- Charging: Charge for 24 hours before use
- Fitment: 1997–2006 Harley-Davidson FXST models
- OEM Cross Reference: 65989-97A
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
| UOM: EA |
| Country Of Origin: MALAYSIA |
| OEM Cross Reference: 65989-97A |
| 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 |
| Tech Notes: Charging Information: Charge for 24 hours before using. |
| Measurement: Cold Cranking Amps: 280 |
