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Posts tagged “electric bike”

By Russ Finley on Feb 26, 2012 with 13 responses

How to Turn a Tesla Battery Pack Into a $40,000 Brick

Li-ion, Not Your Father’s Battery

This Tesla-to-brick story first appeared in the Understatement blog, authored by Michael Degusta. Some rich guy, too busy to read his owner’s manual, parked his six-figure sports car in a garage for six weeks while his home was being remodeled.

From the Tesla owner’s manual:

“Keep in mind that when the vehicle is left unplugged with a full Battery, the initial rate of decline can be significant. When fully charged, the Battery’s charge level can drop as much as 7% a day and 50% within the first week. When the Battery’s charge level falls below 50%, the rate of decline slows down to approximately 5% per week. Over-discharge can permanently damage the Battery.”

That equates to a ruined battery in roughly 11 weeks. In other words, for this Tesla to be damaged in six weeks, it was likely parked with a mostly discharged battery. Ouch.

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