Deye AI-W5.1-B (1 module) vs Deye SE-F5 Plus
VS
The verdict
11 differences, and they point both ways
The largest is usable energy: 0.50 kWh apart. 10 of 21 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.
See all 11 differencesHow alike are they
10
of 21 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
11 of 21 parameters
What actually differs
Parameter
AI-W5.1-B (1 module)
SE-F5 Plus
Difference
Usable energy
4.60 kWh
4.10 kWh
0.50 kWh apart
Continuous discharge power
9.22 kW
6.14 kW
3.08 kW more power
Max system capacity
30.7 kWh
131.2 kWh
100.5 kWh more room to expand
Depth of discharge
90 %
80 %
10 pp more of the cells usable
Continuous charge power
9.22 kW
2.56 kW
6.66 kW faster charging
Power per kWh
2.00 kW/kWh
1.50 kW/kWh
0.51 kW/kWh more power for its size
Weight
74.5 kg
41.0 kg
33.5 kg lighter
Weight per kWh
16.2 kg/kWh
10.0 kg/kWh
6.2 kg/kWh lighter
Ingress protection
IP65 (after stacking)
IP21
IP65 (after stacking) vs IP21
Operating voltage
43.2-57.6 V
44.8-57.6 V
43.2-57.6 V vs 44.8-57.6 V
Dimensions
569x720x255 mm
140x370x140 mm
569x720x255 mm vs 140x370x140 mm
02
2 shops we track
Price offers
Shop
AI-W5.1-B (1 module)
SE-F5 Plus
At this shop
Shop prices by brand: See 44 Deye offers
03
Full specification
Parameter
AI-W5.1-B (1 module)
SE-F5 Plus
Difference
Capacity
Usable energy
4.60 kWh
4.10 kWh
0.50 kWh apart
Nominal energy
5.12 kWh
5.12 kWh
Same
Depth of discharge
90 %
80 %
+10 pp for AI-W5.1-B (1 module)
Max system capacity
30.7 kWh
131.2 kWh
+100.5 kWh for SE-F5 Plus
Modules per stack
1-6
-
Not published by Deye
Power
Continuous discharge power
9.22 kW
6.14 kW
+3.08 kW for AI-W5.1-B (1 module)
Continuous charge power
9.22 kW
2.56 kW
+6.66 kW for AI-W5.1-B (1 module)
Peak discharge power
7.68 kW
7.68 kW
Same
Power per kWh
2.00 kW/kWh
1.50 kW/kWh
+0.51 kW/kWh for AI-W5.1-B (1 module)
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
43.2-57.6 V
44.8-57.6 V
43.2-57.6 V vs 44.8-57.6 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
74.5 kg
41.0 kg
-33.5 kg for SE-F5 Plus
Weight per kWh
16.2 kg/kWh
10.0 kg/kWh
-6.2 kg/kWh for SE-F5 Plus
Dimensions
569x720x255 mm
140x370x140 mm
569x720x255 mm vs 140x370x140 mm
Ingress protection
IP65 (after stacking)
IP21
IP65 (after stacking) vs IP21
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
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Deye SE-F5 Plus vs Deye SE-F5
The same specification on paper
Similar capacity
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6 differences, the largest is continuous discharge power
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.