FoxESS ECS2900-H5 vs Pylontech Force H2 (FH9637M)
VS
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 differencesHow alike are they
6
of 16 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
10 of 16 parameters
What actually differs
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
4 shops we track
Price offers
Shop
ECS2900-H5
Force H2 (FH9637M)
At this shop
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
Open all batteries
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05
Written summary
Checking cache...
Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.

