srt_bat_get_value
ret = srt_bat_get_value(client, REGW_CAPACITY, &val->intval);
ret = srt_bat_get_value(client, REGW_CHARGE_NOW, &val->intval);
ret = srt_bat_get_value(client, REGW_CHARGE_FULL, &val->intval);
ret = srt_bat_get_value(client, REGW_CHARGE_FULL_DESIGN,
ret = srt_bat_get_value(client, REGW_CURRENT_NOW, &val->intval);
ret = srt_bat_get_value(client, REGW_CYCLE_COUNT, &val->intval);
ret = srt_bat_get_value(client, REGB_ONLINE, &val->intval);
ret = srt_bat_get_value(client, REGB_STATUS, &val->intval);
ret = srt_bat_get_value(client, REGW_VOLTAGE_MAX_DESIGN,
ret = srt_bat_get_value(client, REGW_VOLTAGE_NOW, &val->intval);
ret = srt_bat_get_value(srt->client, REGW_CAPACITY, &capacity);