It is data from the car that is presented in about 281 units, that indicate the energy in the battery. 281 is a full battery, zero is empty. Each unit has approximately 70 to 80 watt/hours of energy. Unfortunately, the value is not a fixed amount, as batteries with various temperatures (and thus various energy) may have the same Gid number.
As the battery loses capacity, either through capacity loss of the battery through cycles or time, or from energy expended, will reduce the Gid count.
It's named after "garygid", whose product can display this number for the operator.
Levenkay wrote:Argh! I am also embarrassed by not knowing what a "GID" might be, so this thread's title was an immediate attention getter. I presume somewhere in its ten pages of postings there is an actual answer to the title question, but I can't seem to arrange the display to find it. I've got "sort by post date selected", but I find that the first item on "page 1 of 10" has a post time within a week of the last item on "page 10 of 10". Phooey; and I thought these BBC-powered fora were more standardized..