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C120-10 vs C138-10 12 of 18 identical Swap Change batteries

GoodWe LX C120-10 vs GoodWe LX C138-10

LX C120-10
119.81 kWh LFP HV
Open battery page Datasheet PDF
VS
LX C138-10
138.24 kWh LFP HV
Open battery page Datasheet PDF
The verdict

C138-10 leads on the differences that matter

The largest is usable energy: 18.43 kWh apart. 12 of 18 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
12 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 18 parameters
Parameter C120-10 C138-10 Difference
Usable energy 119.81 kWh 138.24 kWh 18.43 kWh apart
Continuous discharge power 49.92 kW 57.60 kW 7.68 kW more power
Continuous charge power 49.92 kW 57.60 kW 7.68 kW faster charging
Nominal voltage 499 V 576 V 77 V apart
Weight 1280.0 kg 1480.0 kg 200.0 kg lighter
Operating voltage 436.8-553.8 V 504-639 V 436.8-553.8 V vs 504-639 V

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02

Full specification

Parameter C120-10 C138-10 Difference
Capacity
Usable energy 119.81 kWh 138.24 kWh 18.43 kWh apart
Nominal energy - - Neither datasheet publishes this
Depth of discharge - - Neither datasheet publishes this
Max system capacity 156.6 kWh 156.6 kWh Same
Modules per stack 11-17 11-17 Same
Power
Continuous discharge power 49.92 kW 57.60 kW +7.68 kW for C138-10
Continuous charge power 49.92 kW 57.60 kW +7.68 kW for C138-10
Peak discharge power - - Neither datasheet publishes this
Power per kWh 0.42 kW/kWh 0.42 kW/kWh Same
Efficiency and lifetime
Round-trip efficiency - - Neither datasheet publishes this
Cycle life - - Neither datasheet publishes this
Cycle test depth 100 % 100 % 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 499 V 576 V 77 V apart
Operating voltage 436.8-553.8 V 504-639 V 436.8-553.8 V vs 504-639 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 1280.0 kg 1480.0 kg -200.0 kg for C120-10
Weight per kWh 10.7 kg/kWh 10.7 kg/kWh Same
Dimensions 1650x1155x730 mm 1650x1155x730 mm Same
Ingress protection IP21 IP21 Same
Outdoor-rated - - Neither datasheet publishes this
Min operating temperature -20 °C -20 °C Same
Max operating temperature 50 °C 50 °C Same
Warranty
Warranty - - Neither datasheet publishes this
Warranted throughput - - Neither datasheet publishes this
03

More useful comparisons

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GoodWe LX C120-10 vs Huawei LUNA2000-129KWH-2H1
13 differences, the largest is usable energy
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GoodWe LX C120-10 vs Deye BOS-A (15 modules in series)
10 differences, the largest is usable energy
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GoodWe LX C120-10 vs GoodWe LX C101-10
7 differences, the largest is usable energy
Similar capacity
GoodWe LX C138-10 vs GoodWe LX C156-10
7 differences, the largest is usable energy
Similar capacity
GoodWe LX C138-10 vs Deye BOS-A (23 modules in series)
10 differences, the largest is usable energy
04

Written summary

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