Dala wrote: ↑
Mon Dec 02, 2019 4:44 am
Wow, thanks for all the feedback! And yeah, this is mainly for the 30/40/62kWh upgrades, that you really want to protect your battery after investing in a costly battery upgrade. This should be especially beneficial for the 40kWh pack that charges to 4.20V per cell, which is quite high SOC (compared to 4.13V on 24kWh packs).
For the initial version, I'll add 4 different charge settings, (75, 84, 92, 100). I personally feel that if you go lower than this you'll risk limiting your use of the car.
I'll try to use the cruise control cancel button, and this menu is accessed by holding it for longer than 1second. Then depending on how long you hold the button, you'll set the max charge %.
I'll use the capacity bars to temporarily show the max charging %, I'll post a video when I have it working.
Thanks for all the feedback and great ideas!
I agree that there should be a setting far lower than 75%. If I had a 40 kWh pack, I'd charge to 60% all the time.
I have a 2011 and I set the car to an 80% charge in the charge timers menu. Every time I charge, the car stops at 80% SOC. If I want more for the next day, I hit the charge timer override button (that illuminates the middle light on the dash), and the car will charge to 100%. This is extremely easy to use and I love it.
You could set the charge timer override somehow (possibly by holding the charge timer override button) and having the SOC bars indicate as proposed by other forums. I like the proposal of using 100, 92, 83, 75, 67, 58, 50. Then the mux canbus would then remember that setting and always charge to that percent. You'd do this once and forget about it.
When you were going on a long trip and need a full charge, you would simply hit the charge timer override button until the middle light came on. Then, for the next charge only, it would charge to 100%.
Note: Keep in mind I sometimes have to hit the charge timer override button multiple times before the middle indicator light comes on. So you would have to read the state of that light, NOT the press of the button, for the override.
I'll make a video of this and post it to youtube so you can see my process. Unfortunately, I'm out of town, so it'll take me about a week to get it uploaded.