SMA Home Storage 6.5 vs Dyness Tower T7
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The verdict
SMA Home Storage 6.5 leads on the differences that matter
The largest is usable energy: 0.54 kWh apart. 7 of 18 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.
See all 11 differencesHow alike are they
7
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
11 of 18 parameters
What actually differs
Parameter
SMA Home Storage 6.5
Tower T7
Difference
Usable energy
6.56 kWh
7.10 kWh
0.54 kWh apart
Continuous discharge power
6.91 kW
4.26 kW
2.65 kW more power
Cycle life
8000 cycles
6000 cycles
2000 cycles more
Nominal energy
6.56 kWh
7.10 kWh
0.54 kWh apart
Continuous charge power
6.91 kW
4.26 kW
2.65 kW faster charging
Power per kWh
1.05 kW/kWh
0.60 kW/kWh
0.45 kW/kWh more power for its size
Weight
76.0 kg
105.0 kg
29.0 kg lighter
Weight per kWh
11.6 kg/kWh
14.8 kg/kWh
3.2 kg/kWh lighter
Ingress protection
IP65
IP54
IP65 vs IP54
Modules per stack
1-5
2-6
1-5 vs 2-6
Dimensions
969x610x215 mm
700x504x380 mm
969x610x215 mm vs 700x504x380 mm
02
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03
Full specification
Parameter
SMA Home Storage 6.5
Tower T7
Difference
Capacity
Usable energy
6.56 kWh
7.10 kWh
0.54 kWh apart
Nominal energy
6.56 kWh
7.10 kWh
0.54 kWh apart
Depth of discharge
100 %
100 %
Same
Max system capacity
16.4 kWh
-
Not published by Dyness
Modules per stack
1-5
2-6
1-5 vs 2-6
Power
Continuous discharge power
6.91 kW
4.26 kW
+2.65 kW for SMA Home Storage 6.5
Continuous charge power
6.91 kW
4.26 kW
+2.65 kW for SMA Home Storage 6.5
Peak discharge power
-
-
Neither datasheet publishes this
Power per kWh
1.05 kW/kWh
0.60 kW/kWh
+0.45 kW/kWh for SMA Home Storage 6.5
Efficiency and lifetime
Round-trip efficiency
94.5 %
-
Not published by Dyness
Cycle life
8000 cycles
6000 cycles
+2000 cycles for SMA Home Storage 6.5
Cycle test depth
100 %
-
Not published by Dyness
Capacity at end of life
-
-
Neither datasheet publishes this
Self-discharge
-
-
Neither datasheet publishes this
Electrical
Voltage class
High voltage
High voltage
Same
Nominal voltage
192 V
192 V
Same
Operating voltage
180-216 V
-
Not published by Dyness
Cell chemistry
LFP
-
Not published by Dyness
Active cell balancing
-
-
Neither datasheet publishes this
Thermal management
-
-
Neither datasheet publishes this
Built-in inverter
Inverter
None (battery only)
None (battery only)
Same
Inverter power
-
-
Neither datasheet publishes this
Grid connection
-
-
Neither datasheet publishes this
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
76.0 kg
105.0 kg
-29.0 kg for SMA Home Storage 6.5
Weight per kWh
11.6 kg/kWh
14.8 kg/kWh
-3.2 kg/kWh for SMA Home Storage 6.5
Dimensions
969x610x215 mm
700x504x380 mm
969x610x215 mm vs 700x504x380 mm
Ingress protection
IP65
IP54
IP65 vs IP54
Outdoor-rated
Yes
-
Not published by Dyness
Min operating temperature
-10 °C
-10 °C
Same
Max operating temperature
50 °C
50 °C
Same
Warranty
Warranty
10 yrs
10 yrs
Same
Warranted throughput
-
-
Neither datasheet publishes this
04
Open all batteries
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05
Written summary
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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.