Dev #4: 1587 - 002D -SMA Technologie AG - 
Serial Number: 00015122
pac: 0.00 W
e-today: 5.02 kWh
e-total: 60741.14 kWh
read bad crc 365D, should be 42A3. Message *should* be rejected.

today:
1970-01-01 02:54:37:      0 W
1916-12-08 10:53:57:     -0 W
1918-03-08 13:34:44:      2 W
1919-06-06 16:15:29:      0 W
1920-09-03 18:55:10: 36893488147419103232 W
1921-12-02 21:35:16:     -0 W
1923-03-03 00:16:47:     -0 W
1924-05-31 02:54:37:     -0 W
1925-08-29 05:32:36:      0 W
1926-11-27 08:13:46:      2 W
1928-02-25 10:52:52:     -2 W
1929-05-25 13:32:46:      2 W
1930-08-23 16:12:30:      0 W
1931-11-21 18:53:11:     -2 W
1933-02-18 21:35:31:     -0 W
1934-05-20 00:16:26: 36893488147419103232 W
1935-08-18 02:54:58:     -2 W
1936-11-15 05:34:03:     -0 W
1938-02-13 08:13:09:     -2 W
1939-05-14 10:53:51:     -2 W
1940-08-11 13:35:13:     -0 W
1941-11-09 18:12:17:      0 W
2025-04-22 15:10:00:   1211 W
2025-04-22 15:20:00:    987 W
2025-04-22 15:30:00:    873 W
2025-04-22 15:40:00:    826 W
2025-04-22 15:50:00:    579 W
2025-04-22 16:00:00:    235 W
2025-04-22 16:10:00:    113 W
2025-04-22 16:20:00:     86 W
2025-04-22 16:30:00:     64 W
2025-04-22 16:40:00:     34 W
2025-04-22 16:50:00:      4 W
2025-04-22 17:00:00:      0 W
2025-04-22 17:10:00:      0 W
2025-04-22 17:20:00:      0 W

last month:
2025-03-22:    8.200 kWh
2025-03-23:    3.730 kWh
2025-03-24:    8.140 kWh
2025-03-25:    7.780 kWh
2025-03-26:    6.100 kWh
2025-03-27:   14.310 kWh
2025-03-28:   12.640 kWh
2025-03-29:   16.870 kWh
2025-03-30:   18.400 kWh
2025-03-31:   18.240 kWh
2025-04-01:   20.010 kWh
2025-04-02:   20.210 kWh
2025-04-03:   17.010 kWh
2025-04-04:   17.060 kWh
2025-04-05:   20.670 kWh
2025-04-06:   21.420 kWh
2025-04-07:   21.010 kWh
2025-04-08:   17.940 kWh
2025-04-09:   18.780 kWh
2025-04-10:   19.640 kWh
2025-04-11:   20.500 kWh
2025-04-12:   17.640 kWh
2025-04-13:   11.950 kWh
2025-04-14:   14.720 kWh
2025-04-15:    5.880 kWh
2025-04-16:   20.250 kWh
2025-04-17:   18.060 kWh
2025-04-18:   11.460 kWh
2025-04-19:   18.850 kWh
2025-04-20:   11.450 kWh
2025-04-21:   11.250 kWh