vs
Battery Tesla or Deka
I really like the Deka ETX12. Point is these batteries are bulletproof. They last longer than any other battery I have ever gotten. I highly recommend them.
Pros: bulletproof, long lasting
Part number: ETX12
I had a 12v battery give me a low voltage warning and they just came around and changed it.
Pros: easy replacement
Cons: low voltage warning
I currently run a Deka Intimidator in my rig and it's been problem free for 3 years now
Pros: problem free
It's a Tesla thing.
Tesla doesn't keep a buffer zone at the top end of the battery. 100% means 100% in a Tesla. Tesla advises to only use 100% when you need the extra range.
Pros: 100% means 100%
Cons: no buffer zone
Vehicle:
BMW
My tesla model y recommendation is 90%. I know lfp batteries are recommended to do 100% at least weekly. We do 90% but drive the car about 100 miles every work day so it doesn't even sit at 90% for very long, maybe 3-4 hours.
Deka ETX15, Deka makes a great battery and they’re sold under a few manufacturers.
Pros: great battery
Part number: ETX15
I have a ‘21 (Dec 2020) M3 LR AWD w/19”. I’ve put 52K miles on it so far. Generally speaking, I’ve seen very little degradation.
Pros: very little degradation
Cons: range overly optimistic
Mileage: 52000 km
I bought a used 2019 LR in 2020 and my estimated range is 302 miles with 48k miles.
Pros: 302 miles range
Mileage: 48000 km
2018 M3P with 54K and it is right at 7%
Pros: right at 7%
Mileage: 54000 km
battery life is astonishingly unpredictable. I drove 20 miles, but lost ~35 miles of range. Not driving crazy, either. Everything else is decent, but can't help but feel like it's a time bomb.
Cons: unpredictable range, significant range loss
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