Harley-Davidson FXSTS-1988-1990 battery Standard 12v AGM
Replacement Harley-Davidson FXSTS-1988-1990 Standard, rechargeable 12v 18Ah AGM batteries at low competitive price

• Harley Davidson FXSTS-1988-1990 battery

Please note: this battery is for the FXSTS-1988-1990 only, if its later then its a different battery for which you will find a link in the alternatives tab

We can also offer this battery size as a WestCo sealed AGM version, these are made by East Penn whom supply OEM to Harley for your Hog on the factory floor so a worthwhile upgrade

Please note the WestCo Upgrade is 100mm wide.

Voltage = 12v
Capacity = 18Ah @20Hr
Chemistry = AGM

There is a total of one recyclable lead batteries for the FXSTS-1988-1990 only, the size is
Length = 175mm or 6.89-inches
Width = 87mm or 3.42-inches
Height = 155mm or 6.10-inches
Battery Layout - from chart below = 1

Best way to look after your battery is to use it all year round, if not and long periods where its stationary then disconnect from frame and recharge every six to eight weeks at the outside, removing from charger when fully charged, any thing else is at best a compromise and may cost you a new battery come the following summer