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SigenStor BAT 5.0 vs ECS2900-H2 6 of 15 identical Swap Change batteries

Sigenergy SigenStor BAT 5.0 vs FoxESS ECS2900-H2

Sigenergy SigenStor BAT 5.0
SigenStor BAT 5.0
5.2 kWh LFP HV
VS
FoxESS ECS2900-H2
ECS2900-H2
5.18 kWh 95.0 % round-trip LFP HV
The verdict

SigenStor BAT 5.0 leads on the differences that matter

The largest is max system capacity: 28.2 kWh more room to expand. 6 of 15 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
6 of 15 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 15 parameters
Parameter SigenStor BAT 5.0 ECS2900-H2 Difference
Max system capacity 48.4 kWh 20.2 kWh 28.2 kWh more room to expand
Nominal energy 5.38 kWh 5.76 kWh 0.38 kWh apart
Weight 57.0 kg 68.3 kg 11.3 kg lighter
Weight per kWh 11.0 kg/kWh 13.2 kg/kWh 2.2 kg/kWh lighter
Cycle test depth 100 % 90 % 10 pp apart
Ingress protection IP66 IP65 IP66 vs IP65
Modules per stack 1-6 2-7 1-6 vs 2-7
Operating voltage 300-600 V 97.2-131.4 V 300-600 V vs 97.2-131.4 V
Dimensions 270x767x260 mm 380x570x380 mm 270x767x260 mm vs 380x570x380 mm
02

Price offers

1 shop we track
Shop SigenStor BAT 5.0 ECS2900-H2 At this shop
www.solar-outlet.nl Netherlands 2 389.95 € incl. VAT - Only SigenStor BAT 5.0

All 1 offer for SigenStor BAT 5.0

Shop prices by brand: See 15 Sigenergy offers · See 21 FoxESS offers

03

Full specification

Parameter SigenStor BAT 5.0 ECS2900-H2 Difference
Capacity
Usable energy 5.20 kWh 5.18 kWh Effectively the same
Nominal energy 5.38 kWh 5.76 kWh 0.38 kWh apart
Depth of discharge - 90 % Not published by Sigenergy
Max system capacity 48.4 kWh 20.2 kWh +28.2 kWh for SigenStor BAT 5.0
Modules per stack 1-6 2-7 1-6 vs 2-7
Power
Continuous discharge power 2.50 kW - Not published by FoxESS
Continuous charge power 2.50 kW - Not published by FoxESS
Peak discharge power 3.75 kW - Not published by FoxESS
Power per kWh 0.48 kW/kWh - Not published by FoxESS
Efficiency and lifetime
Round-trip efficiency - 95.0 % Not published by Sigenergy
Cycle life - 6000 cycles Not published by Sigenergy
Cycle test depth 100 % 90 % 10 pp apart
Capacity at end of life - - Neither datasheet publishes this
Self-discharge - - Neither datasheet publishes this
Electrical
Voltage class High voltage High voltage Same
Nominal voltage - 115 V Not published by Sigenergy
Operating voltage 300-600 V 97.2-131.4 V 300-600 V vs 97.2-131.4 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 57.0 kg 68.3 kg -11.3 kg for SigenStor BAT 5.0
Weight per kWh 11.0 kg/kWh 13.2 kg/kWh -2.2 kg/kWh for SigenStor BAT 5.0
Dimensions 270x767x260 mm 380x570x380 mm 270x767x260 mm vs 380x570x380 mm
Ingress protection IP66 IP65 IP66 vs IP65
Outdoor-rated - Yes Not published by Sigenergy
Min operating temperature -20 °C -20 °C Same
Max operating temperature 55 °C 55 °C Same
Warranty
Warranty - - Neither datasheet publishes this
Warranted throughput - - Neither datasheet publishes this
04

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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.