PBBAT_DISCHARGERATE
sc->sc_bat_sensor[PBBAT_DISCHARGERATE].units = capunit;
INITDATA(PBBAT_DISCHARGERATE, ENVSYS_SWATTS, "discharge rate");
sc->sc_bat_sensor[PBBAT_DISCHARGERATE].flags = ENVSYS_FMONNOTSUPP;
sc->sc_bat_sensor[PBBAT_DISCHARGERATE].flags |= ENVSYS_FHAS_ENTROPY;
sc->sc_bat_sensor[PBBAT_DISCHARGERATE].state = ENVSYS_SINVALID;
sc->sc_bat_sensor[PBBAT_DISCHARGERATE].state = ENVSYS_SINVALID;
sc->sc_bat_sensor[PBBAT_DISCHARGERATE].state = ENVSYS_SVALID;
sc->sc_bat_sensor[PBBAT_DISCHARGERATE].value_cur =