Welcome! My SL 5.0 (with the Mastermind TCU) was manufactured in October, 2022. Mine was in a carton in a warehouse till shipped to fulfill my order through a local Specialized store. Called Specialized tech support and my dealer with the same battery ageing question.
Same response from both: Battery was stored in a "dormant state" till the dealer set it up for me. Neither could tell me exactly what that meant, but both said the battery didn't age in any meaningful way during that time. When I expressed skepticism, both pointed out that brand new batteries carry the same warranty as mine.
Perhaps others can help with your TCU question.
If you get a chance, post some photos of your bike or the places you ride. My 3 favorite forum threads are the ones for sharing ride photos.
Well, we took a bit of a pounding in 2023. Richard Friedman (Alaskan) and then Alan Hicks are gone and missed by many of us. Dave Berry stepped off the stage over a year ago, whereabouts unknown… the hugely popular Dallant has been missing in action for a couple of years now. There are others...
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This is around in the Pacific Northwest, Washington State
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I can't wait
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