ACPIBAT_DCAPACITY
sc->sc_sensor[ACPIBAT_DCAPACITY].units = capunit;
sc->sc_sensor[ACPIBAT_DCAPACITY].value_cur = val * 1000;
sc->sc_sensor[ACPIBAT_DCAPACITY].state = ACPIBAT_VAL_ISVALID(val);
INITDATA(ACPIBAT_DCAPACITY, ENVSYS_SWATTHOUR, "design cap");
sc->sc_sensor[ACPIBAT_DCAPACITY].flags = ENVSYS_FMONNOTSUPP;