GetMyBattery.com has your replacement battery for your Excelsior-Henderson 1386 Super X made in 1999 and 2000. 

Make your battery selection here:

$ 99.99

PTX20HLBS-FS /(L) 6 7/8 (W) 3 7/16 (H) 6 1/8/ 12V 25...

$ 91.24

PTX20LBS-FS /(L) 6 7/8 (W) 3 7/16 (H) 6 1/8 / 12V 2...

$ 91.24

PTX20L-BS /(L) 6 7/8 (W) 3 7/16 (H) 6 1/8 / 12V 250...