OE battery life expectancy

[eyeballs]

How long has everyone's original battery lasted? Mine is over 3 years old, and I'm thinking of getting a budget internet AGM battery before it dies on me and I'm stuck with whatever is in stock locally.

 

[eyeballs]

Decided to get another battery anyways. Went with this:
http://www.batterysharks.com/SigmasTek-STX20HL-BS-p/stx20hl-bs_m12-18-310l-d.htm

 

[rsvinylgraphics]

You went with a 310 CCA motorcycle battery? interesting...