How long did your original battery last?

[KJRR]

After 2.5 yrs battery started showing signs it wasn't up to the task, shutting down messages and ASS not working. Replaced at around 3 yrs under warranty and BMS was replaced also. Now about 3 months later and occasional and driving still working fine. No trickle charge or SOC change and ASS still enabled. We'll see how long it goes this time.

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[dtech]

My Batt is coming up on 4 yrs and tests good, decided to go bms-less a year back, however stepping up to the plate in a big way and purchased a YONHAN Battery Charger 10-Amp 12V available at Amazon for $29.99 . This thing should it work has a sizable feature set with 7 charging modes including a desulfation function, so sadly after 40 yrs am replacing this:

with this which does measure soc :

Will entertain offers on my associated for antique collectors, yes it does work.