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AI-W5.1-B (1 module) vs SE-F5 10 of 21 identical Swap Change batteries

Deye AI-W5.1-B (1 module) vs Deye SE-F5

AI-W5.1-B (1 module)
4.6 kWh LFP LV
VS
Deye SE-F5
SE-F5
4.1 kWh LFP LV
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 differences
How alike are they
10 of 21 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 21 parameters
Parameter AI-W5.1-B (1 module) SE-F5 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

Price offers

2 shops we track
Shop AI-W5.1-B (1 module) SE-F5 At this shop
Sklep Soltech Poland 3 864 zł net - Only AI-W5.1-B (1 module)
Master Energy Poland 4 858.50 zł incl. VAT - Only AI-W5.1-B (1 module)

All 2 offers for AI-W5.1-B (1 module)

Shop prices by brand: See 44 Deye offers

03

Full specification

Parameter AI-W5.1-B (1 module) SE-F5 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
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
Weight per kWh 16.2 kg/kWh 10.0 kg/kWh -6.2 kg/kWh for SE-F5
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

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Deye AI-W5.1-B (1 module) vs FelicityESS LUX-E-48100LG03
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Deye SE-F5 vs Deye SE-F5 Plus
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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.