vs
Battery Tesla or Deka
I'm using Deka. But it's a good choice. I haven't any problems with it.
Pros: good choice, no problems
Deka batteries are still good quality. They are somewhat harder to find than other brands.
Pros: good quality
Cons: harder to find
Fall 2016 Update: I just installed a new battery. It is a Deka Group 47 AGM. Cost was about 135$ at Battery Mart, 20$ more than the standard battery the store offered. It is odd in that the carry handle is square to the battery length. The specs say it weights 37-1/2 lbs. 600 CCA at 0 F. Two minor things: The battery foot flange is not thick enough to match the battery holding channel or the holding clamp. Some sort of wedge needs to be used. There are probably height adapters or spacers sold for that. Second, the hood release cable will need to run on top of the battery corner, unless you slide the battery out toward the radiator more than I want to.
Pros: 600 CCA at 0 F
Cons: wedge needs to be used
I've been buying Deka batteries for awhile now and they have been great to me as a customer.
Pros: great customer experience
I just ordered a Deka EXT20L, from what ive read everyone loves it. At $87 from Lowes its worth the gamble. Its a sealed AGM battery so it can be mounted anywhere, ill be putting it under the rear seat.
Pros: everyone loves it, sealed AGM
Part number: EXT20L
I have personal experience with with both battery technology and the litium ones put the conventional small battery to shame. If I left my car with the small Deka that's in it for a few weeks without starting, or turning off the cut-off switch, the alarm and small draw I have from a wacky door switch would completely drain it.
Pros: lithium ones better
Cons: drains quickly
My current dead battery is a Deka - lasted 3.5 yrs, can't complain.
Pros: lasted 3.5 years
Me too. Using a Deka ETX20 right now. Scooped it for $85 shipped from Tri-State Battery. I just got my car back on the road, so I haven't seen how well it holds its charge without running the car every day though.
Part number: ETX20
All Teslas lose about 10% of their range in their first year. And then it levels off considerably after that.
Pros: levels off considerably
Cons: 10% range loss
A month ago I bought a 2022 M3P with 7k miles, was at 310 estimated fully charged, now 280 all of a sudden at 10k miles.
Pros: 310 estimated fully charged
Cons: 280 all of a sudden
Mileage: 10000 km
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