In the not too distant future, there will be a variable called {{HT_SOC_G}}. That's short for HTML SOC Graphic. Whereas {{SOC}} spits out a number representing the state of charge, this will spit out some HTML that displays it graphically. This won't be exceptionally useful to begin with. It will just be used inside the web services Vehicle Status page.
Here's an example, if your SOC is 60% and your car is charging, then {{HT_SOC_G}} will generate HTML that renders like this:
Here's an example, if your SOC is 60% and your car is charging, then {{HT_SOC_G}} will generate HTML that renders like this: