Tools required :
Some sockets, figure that out yourself.
Goo-gone or OOPS or same type of stuff.
Interior panels shine stuff..forgot name
remove battery and set on ground with supplies.
clean battery with goo gone
clean/polish battery with (forgot name but that stuff you use to shine your cars interior with)
Install in dirty engine bay, making it look amazing by comparison.
Why did I do this? Cause my jet ski battery is dead and i needed some serious cold cranking amps to get that beezy running. Waiting around to take girlfriend to movies, got bored, shined battery.