5 years, so it’s about time I think. I restarted it using a jump starter, and it’s worked, so I was able to drive to an auto repair.
Discussion
Jump starters are a life savers for sure.
But 5y life span is somehow the norm.
The fact every Tesla owner is envying you about the battery price can cheer you up a bit 👯
Frequent short trips can prevent the battery from fully charging so, If you don’t drive often, use a trickle charger to keep the battery at optimal charge. This prevents deep discharge, which shortens battery life. I do this before every cold season.
If you don't have a multimeter lying around buy one. They are really cheap. You can check the voltage of your battery from time to time which can tell you when is the time to recharge it.
How to use a digital multimeter idk. I always turn to the internet whenever it's time to check the 🔋
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Fully Charged (Healthy): 12.6 to 12.8 volts (when the engine is off).
Partially Charged: 12.2 to 12.4 volts.
---- here would be ok to recharge it to prolong its life ----
Discharged (Needs Charging): Below 12.2 volts.
Bad Battery (Replace Soon): Below 11.8 volts consistently.
While Engine is Running (Charging Voltage): 13.7 to 14.7 volts. This shows the alternator is charging the battery properly.