From 70 to 80% daily?

[MadMatt]

Even when the display shows 100%, you’re really only about 90% of the battery full capacity.

i appreciate you backing me on this point. I do question the 90-100% part.

when I fully charge my LFP, I see 74kw of energy out of the theoretical max of 76kw. Keep in mind this is advertised as a 72kw battery. Also Car Scanner reports 98-99% compared to the on-dash 100% readout.

May point is, manufacturers want to be able to advertise as much range as possible, they will allow the battery to be pushed a little farther than is should knowing most people won’t keep the car more that 5-6 years anyway and they want a chance at selling a new one.

my previous vehicle was a 2017 Focus electric which I had to scrap when it was 8 years old with 131,000 miles. HV batt had multiple cells failing, range went from 80-90miles down to 5 in a matter of 2-3 months. This vehicle had no ability to limit max charge percentage and due to the 3G network shutdown I couldn’t delay either. So hit constantly went to 100% and sat there overnight.

all to say, I will not risk the battery on my new MachE because I do plan on keeping it at least 8 years. If there are small things I can do now to potentially help its long term life, seems like a no brainer.

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[Mach1E]

i appreciate you backing me on this point. I do question the 90-100% part.

when I fully charge my LFP, I see 74kw of energy out of the theoretical max of 76kw. Keep in mind this is advertised as a 72kw battery. Also Car Scanner reports 98-99% compared to the on-dash 100% readout.

May point is, manufacturers want to be able to advertise as much range as possible, they will allow the battery to be pushed a little farther than is should knowing most people won’t keep the car more that 5-6 years anyway and they want a chance at selling a new one.

my previous vehicle was a 2017 Focus electric which I had to scrap when it was 8 years old with 131,000 miles. HV batt had multiple cells failing, range went from 80-90miles down to 5 in a matter of 2-3 months. This vehicle had no ability to limit max charge percentage and due to the 3G network shutdown I couldn’t delay either. So hit constantly went to 100% and sat there overnight.

all to say, I will not risk the battery on my new MachE because I do plan on keeping it at least 8 years. If there are small things I can do now to potentially help its long term life, seems like a no brainer.

The usable amount on the LFP is a higher percentage than on the extended range battery.

ER they only gave us 88 to 91 kw out of 98.8.

Either way there’s a built in buffer. So the comments people had about studies and leaving a battery at 100% don’t exactly apply.

State of charge is always just an estimate, even with the scanners. If you show above the 72 limit, it’s possible the battery or external temp changed after you “fully charged.” Interesting either way.

 

[azerik]

There'd be 1000's of posts "Why can't i charge to 100%?" If Ford, Tesla, Polestar etc ever told a consumer "well you're not really going to get to use all the battery that's in the car, you can use about 90% of it" The internetfits wouldn't stop and there'd be a new 'BatteryGate' scandal. The wool folks! The wool has been pulled over your eyes! Rise up! Demand 100% Not 100% of 90%. Viva La Revolutions! Soylent Green is Tesla! Re-volt now!

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