Deye SE-F16 vs Deye AI-W5.1-B (4 modules)
VS
The verdict
12 differences, and they point both ways
The largest is usable energy: 4.00 kWh apart. 9 of 21 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.
See all 12 differencesHow alike are they
9
of 21 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
12 of 21 parameters
What actually differs
Parameter
SE-F16
AI-W5.1-B (4 modules)
Difference
Usable energy
14.40 kWh
18.40 kWh
4.00 kWh apart
Continuous discharge power
11.78 kW
12.80 kW
1.02 kW more power
Max system capacity
460.8 kWh
30.7 kWh
430.1 kWh more room to expand
Nominal energy
16.00 kWh
20.48 kWh
4.48 kWh apart
Continuous charge power
8.19 kW
12.80 kW
4.61 kW faster charging
Peak discharge power
14.34 kW
18.43 kW
4.09 kW more surge
Weight
107.0 kg
233.5 kg
126.5 kg lighter
Weight per kWh
7.4 kg/kWh
12.7 kg/kWh
5.3 kg/kWh lighter
Power per kWh
0.82 kW/kWh
0.70 kW/kWh
0.12 kW/kWh more power for its size
Ingress protection
IP21
IP65 (after stacking)
IP21 vs IP65 (after stacking)
Operating voltage
44.8-57.6 V
43.2-57.6 V
44.8-57.6 V vs 43.2-57.6 V
Dimensions
233x400x233 mm
1412x720x255 mm
233x400x233 mm vs 1412x720x255 mm
02
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SE-F16
AI-W5.1-B (4 modules)
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03
Full specification
Parameter
SE-F16
AI-W5.1-B (4 modules)
Difference
Capacity
Usable energy
14.40 kWh
18.40 kWh
4.00 kWh apart
Nominal energy
16.00 kWh
20.48 kWh
4.48 kWh apart
Depth of discharge
90 %
90 %
Same
Max system capacity
460.8 kWh
30.7 kWh
+430.1 kWh for SE-F16
Modules per stack
-
1-6
Not published by Deye
Power
Continuous discharge power
11.78 kW
12.80 kW
+1.02 kW for AI-W5.1-B (4 modules)
Continuous charge power
8.19 kW
12.80 kW
+4.61 kW for AI-W5.1-B (4 modules)
Peak discharge power
14.34 kW
18.43 kW
+4.09 kW for AI-W5.1-B (4 modules)
Power per kWh
0.82 kW/kWh
0.70 kW/kWh
+0.12 kW/kWh for SE-F16
Efficiency and lifetime
Round-trip efficiency
-
-
Neither datasheet publishes this
Cycle life
6000 cycles
6000 cycles
Same
Cycle test depth
-
90 %
Not published by Deye
Capacity at end of life
70 %
70 %
Same
Self-discharge
-
-
Neither datasheet publishes this
Electrical
Voltage class
Low voltage
Low voltage
Same
Nominal voltage
51 V
51 V
Same
Operating voltage
44.8-57.6 V
43.2-57.6 V
44.8-57.6 V vs 43.2-57.6 V
Cell chemistry
LFP
LFP
Same
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
107.0 kg
233.5 kg
-126.5 kg for SE-F16
Weight per kWh
7.4 kg/kWh
12.7 kg/kWh
-5.3 kg/kWh for SE-F16
Dimensions
233x400x233 mm
1412x720x255 mm
233x400x233 mm vs 1412x720x255 mm
Ingress protection
IP21
IP65 (after stacking)
IP21 vs IP65 (after stacking)
Outdoor-rated
-
-
Neither datasheet publishes this
Min operating temperature
-20 °C
-20 °C
Same
Max operating temperature
55 °C
55 °C
Same
Warranty
Warranty
-
10 yrs
Not published by Deye
Warranted throughput
-
16.0 MWh
Not published by Deye
04
Open all batteries
More useful comparisons
Similar capacity
Deye SE-F16 vs Deye RW-F16
7 differences, the largest is continuous discharge power
Similar capacity
Deye SE-F16 vs Deye AI-W5.1-B (3 modules)
12 differences, the largest is usable energy
Similar capacity
Deye SE-F16 vs FelicityESS LUX-E-48250LG03
7 differences, the largest is usable energy
Similar capacity
Deye AI-W5.1-B (4 modules) vs Deye AI-W5.1-B (5 modules)
5 differences, the largest is usable energy
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.