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ECS2900-H5 vs Force H2 (FH9637M) 6 of 16 identical Swap Change batteries

FoxESS ECS2900-H5 vs Pylontech Force H2 (FH9637M)

FoxESS ECS2900-H5
ECS2900-H5
12.96 kWh 95.0 % round-trip LFP HV
VS
Pylontech Force H2 (FH9637M)
Force H2 (FH9637M)
12.79 kWh HV
The verdict

10 differences, and they point both ways

The largest is usable energy: 0.17 kWh apart. 6 of 16 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
6 of 16 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 16 parameters
Parameter ECS2900-H5 Force H2 (FH9637M) Difference
Usable energy 12.96 kWh 12.79 kWh 0.17 kWh apart
Nominal voltage 288 V 384 V 96 V apart
Weight 164.3 kg 155.0 kg 9.3 kg lighter
Min operating temperature -20 °C 0 °C 20 °C more cold tolerant
Nominal energy 14.40 kWh 14.21 kWh 0.19 kWh apart
Max operating temperature 55 °C 50 °C 5 °C more heat tolerant
Weight per kWh 12.7 kg/kWh 12.1 kg/kWh 0.6 kg/kWh lighter
Ingress protection IP65 IP55 IP65 vs IP55
Operating voltage 243-328.5 V 96-384 V 243-328.5 V vs 96-384 V
Dimensions 710x570x380 mm 1415x450x296 mm 710x570x380 mm vs 1415x450x296 mm
02

Price offers

4 shops we track
Shop ECS2900-H5 Force H2 (FH9637M) At this shop
www.hlumar.sk Slovakia - 2 158 € incl. VAT Only Force H2 (FH9637M)
www.alma-solarshop.be Belgium - 3 765 € incl. VAT Only Force H2 (FH9637M)
www.alma-solarshop.nl Netherlands - 3 765 € incl. VAT Only Force H2 (FH9637M)
Solaris Energy Poland - 21 170 zł incl. VAT Only Force H2 (FH9637M)

All 4 offers for Force H2 (FH9637M)

Shop prices by brand: See 21 FoxESS offers · See 102 Pylontech offers

03

Full specification

Parameter ECS2900-H5 Force H2 (FH9637M) Difference
Capacity
Usable energy 12.96 kWh 12.79 kWh 0.17 kWh apart
Nominal energy 14.40 kWh 14.21 kWh 0.19 kWh apart
Depth of discharge 90 % 90 % Same
Max system capacity 20.2 kWh - Not published by Pylontech
Modules per stack 2-7 2-7 Same
Power
Continuous discharge power - - Neither datasheet publishes this
Continuous charge power - - Neither datasheet publishes this
Peak discharge power - - Neither datasheet publishes this
Power per kWh - - Neither datasheet publishes this
Efficiency and lifetime
Round-trip efficiency 95.0 % - Not published by Pylontech
Cycle life 6000 cycles - Not published by Pylontech
Cycle test depth 90 % 90 % Same
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 288 V 384 V 96 V apart
Operating voltage 243-328.5 V 96-384 V 243-328.5 V vs 96-384 V
Cell chemistry LFP - Not published by Pylontech
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 164.3 kg 155.0 kg -9.3 kg for Force H2 (FH9637M)
Weight per kWh 12.7 kg/kWh 12.1 kg/kWh -0.6 kg/kWh for Force H2 (FH9637M)
Dimensions 710x570x380 mm 1415x450x296 mm 710x570x380 mm vs 1415x450x296 mm
Ingress protection IP65 IP55 IP65 vs IP55
Outdoor-rated Yes Yes Same
Min operating temperature -20 °C 0 °C -20 °C for ECS2900-H5
Max operating temperature 55 °C 50 °C +5 °C for ECS2900-H5
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.