Deye GB-L20 vs Dyness Tower Pro TP19
VS
The verdict
16 differences, and they point both ways
The largest is usable energy: 0.16 kWh apart. 6 of 22 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.
See all 16 differencesHow alike are they
6
of 22 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
16 of 22 parameters
What actually differs
Parameter
GB-L20
Tower Pro TP19
Difference
Usable energy
18.40 kWh
18.24 kWh
0.16 kWh apart
Continuous discharge power
20.48 kW
19.20 kW
1.28 kW more power
Cycle life
6000 cycles
8000 cycles
2000 cycles more
Warranty
10 yrs
15 yrs
5 yrs longer
Max system capacity
24.5 kWh
23.0 kWh
1.5 kWh more room to expand
Nominal energy
20.45 kWh
19.20 kWh
1.25 kWh apart
Depth of discharge
90 %
95 %
5 pp more of the cells usable
Continuous charge power
20.48 kW
19.20 kW
1.28 kW faster charging
Nominal voltage
512 V
480 V
32 V apart
Weight
214.0 kg
206.0 kg
8.0 kg lighter
Max operating temperature
60 °C
55 °C
5 °C more heat tolerant
Ingress protection
IP65
IP55
IP65 vs IP55
Power per kWh
1.11 kW/kWh
1.05 kW/kWh
0.06 kW/kWh more power for its size
Weight per kWh
11.6 kg/kWh
11.3 kg/kWh
0.3 kg/kWh lighter
Operating voltage
166.4-700 V
420-547 V
166.4-700 V vs 420-547 V
Dimensions
1310x540x385 mm
1451x587x310 mm
1310x540x385 mm vs 1451x587x310 mm
02
1 shop we track
Price offers
Shop
GB-L20
Tower Pro TP19
At this shop
Shop prices by brand: See 44 Deye offers · See 20 Dyness offers
03
Full specification
Parameter
GB-L20
Tower Pro TP19
Difference
Capacity
Usable energy
18.40 kWh
18.24 kWh
0.16 kWh apart
Nominal energy
20.45 kWh
19.20 kWh
1.25 kWh apart
Depth of discharge
90 %
95 %
+5 pp for Tower Pro TP19
Max system capacity
24.5 kWh
23.0 kWh
+1.5 kWh for GB-L20
Modules per stack
2-6
2-6
Same
Power
Continuous discharge power
20.48 kW
19.20 kW
+1.28 kW for GB-L20
Continuous charge power
20.48 kW
19.20 kW
+1.28 kW for GB-L20
Peak discharge power
25.60 kW
-
Not published by Dyness
Power per kWh
1.11 kW/kWh
1.05 kW/kWh
+0.06 kW/kWh for GB-L20
Efficiency and lifetime
Round-trip efficiency
-
95.0 %
Not published by Deye
Cycle life
6000 cycles
8000 cycles
+2000 cycles for Tower Pro TP19
Cycle test depth
-
95 %
Not published by Deye
Capacity at end of life
70 %
-
Not published by Dyness
Self-discharge
-
-
Neither datasheet publishes this
Electrical
Voltage class
High voltage
High voltage
Same
Nominal voltage
512 V
480 V
32 V apart
Operating voltage
166.4-700 V
420-547 V
166.4-700 V vs 420-547 V
Cell chemistry
LFP
LFP
Same
Active cell balancing
-
-
Neither datasheet publishes this
Thermal management
Yes
-
Not published by Dyness
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
214.0 kg
206.0 kg
-8.0 kg for Tower Pro TP19
Weight per kWh
11.6 kg/kWh
11.3 kg/kWh
-0.3 kg/kWh for Tower Pro TP19
Dimensions
1310x540x385 mm
1451x587x310 mm
1310x540x385 mm vs 1451x587x310 mm
Ingress protection
IP65
IP55
IP65 vs IP55
Outdoor-rated
Yes
Yes
Same
Min operating temperature
-20 °C
-20 °C
Same
Max operating temperature
60 °C
55 °C
+5 °C for GB-L20
Warranty
Warranty
10 yrs
15 yrs
+5 yrs for Tower Pro TP19
Warranted throughput
-
-
Neither datasheet publishes this
04
Open all batteries
More useful comparisons
Similar capacity
Deye GB-L20 vs Deye GB-SL-EU (5 modules in series)
5 differences, the largest is weight
Similar capacity
Deye GB-L20 vs Solplanet Ai-HB 200A
11 differences, the largest is continuous discharge power
Similar capacity
Deye GB-L20 vs Deye BOS-G20
9 differences, the largest is max system capacity
Similar capacity
Dyness Tower Pro TP19 vs FoxESS ECS2900-H7
13 differences, the largest is cycle life
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.