12V SLA AGM | Premier OEM Replacement Battery by AJC
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Compatible
Factory Activated & Maintenance-Free: Battery arrives fully charged and ready to install. AGM technology means no acid, no water, and zero maintenance, just pure, reliable performance.
Reliable Power, Ready for Adventure: AJC Powersport Batteries deliver dependable, consistent performance you can trust. Power up your next ride today!
Built to Last, Built to Ride: Built with rugged construction for long-lasting performance on and off the road.
Exact OEM Replacement: These batteries are guaranteed to fit your powersports vehicle easily and precisely, ensuring a seamless upgrade.
Maximum Vibration Resistance: High-impact PP case provides superior durability and vibration protection.
Easy Installation: Simply reuse your existing cabling and hardware for a fast, straightforward install.
Buy with Confidence: Backed by our hassle-free 30-day return policy and a 12-month warranty.
Important Note: Please verify battery compatibility with your vehicle before ordering. We are not responsible for incorrect orders.

Disclaimer: Our products are not affiliated with, authorized by, manufactured by, or sold by Harley-Davidson.

For AJC Battery Compatible with Harley-Davidson Soft Tail FXST Motorcycle Battery (1984-1990)

Brand: AJC Replacement Batteries
AJC Part #: AJC-PS-ATX20
Replaces Part #: Soft Tail FXST
Voltage: 12V
Capacity: 18Ah
Cold Cranking Amps: 270
Polarity: +/-
Terminal: B
Dimensions: L 6.89 x W 3.43 x H 6.14 inches
Weight: 12.05 lbs
Model Years: 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

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What is the best replacement battery for the Harley-Davidson Soft Tail FXST Motorcycle Battery (1984-1990)?

The AJC-PS-ATX20-533294 is the best replacement battery for the Harley-Davidson Soft Tail FXST Motorcycle Battery (1984-1990).
What are the dimensions of the Harley-Davidson Soft Tail FXST Motorcycle Replacement Battery (1984-1990)?

The dimensions are L 6.89 x W3.43 x H 6.14 inches.
What is your return policy and battery warranty?

Our batteries are backed by easy 30-day returns and a 12-month warranty.
How do I maintain my SLA battery?

These batteries are maintenance-free and factory activated. It arrives fully sealed, charged and ready for action.
Do I need to add acid to this battery?

No need to add acid or water, ever.
Do you have a wholesale, reseller and large volume purchase program?

Yes, our bulk purchasing program saves you money and allows you to obtain the batteries you need in one easy, hassle-free transaction. Apply here.