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AI-W5.1-B (2 modules) vs RW-F10.2 14 of 24 identical Swap Change batteries

Deye AI-W5.1-B (2 modules) vs Deye RW-F10.2

AI-W5.1-B (2 modules)
9.2 kWh LFP LV
Open battery page Datasheet PDF
VS
Deye RW-F10.2
RW-F10.2
9.2 kWh LFP LV
Open battery page Datasheet PDF
The verdict

RW-F10.2 leads on the differences that matter

The largest is continuous discharge power: 3.07 kW more power. 14 of 24 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
14 of 24 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 24 parameters
Parameter AI-W5.1-B (2 modules) RW-F10.2 Difference
Continuous discharge power 9.22 kW 12.29 kW 3.07 kW more power
Max system capacity 30.7 kWh 294.4 kWh 263.7 kWh more room to expand
Continuous charge power 9.22 kW 10.14 kW 0.92 kW faster charging
Peak discharge power 13.82 kW 15.36 kW 1.54 kW more surge
Power per kWh 1.00 kW/kWh 1.34 kW/kWh 0.33 kW/kWh more power for its size
Weight 127.5 kg 104.0 kg 23.5 kg lighter
Weight per kWh 13.9 kg/kWh 11.3 kg/kWh 2.6 kg/kWh lighter
Warranted throughput 16.0 MWh 32.0 MWh 16.0 MWh more
Ingress protection IP65 (after stacking) IP65 IP65 (after stacking) vs IP65
Dimensions 850x720x255 mm 760x600x200 mm 850x720x255 mm vs 760x600x200 mm

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02

Full specification

Parameter AI-W5.1-B (2 modules) RW-F10.2 Difference
Capacity
Usable energy 9.20 kWh 9.20 kWh Same
Nominal energy 10.24 kWh 10.20 kWh Effectively the same
Depth of discharge 90 % 90 % Same
Max system capacity 30.7 kWh 294.4 kWh +263.7 kWh for RW-F10.2
Modules per stack 1-6 - Not published by Deye
Power
Continuous discharge power 9.22 kW 12.29 kW +3.07 kW for RW-F10.2
Continuous charge power 9.22 kW 10.14 kW +0.92 kW for RW-F10.2
Peak discharge power 13.82 kW 15.36 kW +1.54 kW for RW-F10.2
Power per kWh 1.00 kW/kWh 1.34 kW/kWh +0.33 kW/kWh for RW-F10.2
Efficiency and lifetime
Round-trip efficiency - - Neither datasheet publishes this
Cycle life 6000 cycles 6000 cycles Same
Cycle test depth 90 % 90 % Same
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 43.2-57.6 V Same
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 127.5 kg 104.0 kg -23.5 kg for RW-F10.2
Weight per kWh 13.9 kg/kWh 11.3 kg/kWh -2.6 kg/kWh for RW-F10.2
Dimensions 850x720x255 mm 760x600x200 mm 850x720x255 mm vs 760x600x200 mm
Ingress protection IP65 (after stacking) IP65 IP65 (after stacking) vs IP65
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 10 yrs Same
Warranted throughput 16.0 MWh 32.0 MWh +16.0 MWh for RW-F10.2
03

More useful comparisons

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Deye AI-W5.1-B (2 modules) vs Deye RW-F10.2-B
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Deye AI-W5.1-B (2 modules) vs FelicityESS LUX-E-48200LG03
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04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.