Big Crank ETX30L Battery

It's no secret in the HD community hdforums.com etc as to who makes Harley batteries; it's East Penn Manfg.

This is the same battery absent the HD name and logo for $75 dollars less in a grey case. Top of the line

product that I usually get five years service out of hard to beat. As this battery also fits some other

recreational vehicles, it comes with cable side and top mount choices. Harley's use the side mount position

and included spacers make it a perfect fit. One note make it easy on yourself and use a drop of super glue

on the bottom flat edge of the spacer before to hold it in place before installing the battery. Prompt delivery

of a fresh battery that hasn't sat on a shelf for a year is a bonus too.

I have a modified 2001 Mustang Cobra ( not supercharged ) and I originally had a "Braille 15" light weight performance battery which cost $160 and lasted about about 1 year. When it was time to replace that battery I figured I would try something a bit bigger to get more cranking amps and also a bit longer life. The next size up for the Braille batteries is the "17" and then the "21". I decided to go w/ the 21 and that would have cost approx $188 but after doing a bit of research I figured out that the Braille batteries are essentially repackaged East Penn / Dekka batteries.

The "Braille 21" is the same as the East Penn / Dekka EXT30L, same size, casing and most importantly same cranking amps @ 400A. The most obvious difference is the price as the East Penn battery is essentially half what the Braille battery costs at just $99 plus free shipping from Battery Mart via Fed Ex ground which in my case took about a week shipping to Houston, TX from Rockville, Maryland apparently.

I've been using this battery for a week and it's started my 10.5 compression v8 Mustang like a champ. My car is also running on E85 so it's has to crank a bit longer when the temp gets bellow 60* but this has not been a problem at all. Not sure how it would work on super high compression or high boost supercharged engine but I would say this battery would do just fine for the majority of performance minded folks looking to shave a bit of weight.

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Great Battery, perfect fit for my Road King. Fired my bike right up straight out of the box. Ready to go. And Seller was Great, fast and free shipping. Definetely will do business with again.

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EXCELLENT battery for my Polaris Ranger. I was going to convert to either twin batteries or an automobile battery but why bother the way this one performs.

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Fit in my Polaris ranger 400. I had to flip the battery hold down over and add a shim. Hopefully it will last longer than the teeny tiny original one. And being AGM, will recover com a drain better.