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GB-L8 vs ECS4300H-H2 8 of 18 identical Swap Change batteries

Deye GB-L8 vs FoxESS ECS4300H-H2

Deye GB-L8
GB-L8
7.36 kWh LFP HV
Open battery page Datasheet PDF
VS
FoxESS ECS4300H-H2
ECS4300H-H2
7.46 kWh 95.0 % round-trip LFP HV
Open battery page Datasheet PDF
The verdict

ECS4300H-H2 leads on the differences that matter

The largest is max system capacity: 4.4 kWh more room to expand. 8 of 18 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
8 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 18 parameters
Parameter GB-L8 ECS4300H-H2 Difference
Max system capacity 24.5 kWh 29.0 kWh 4.4 kWh more room to expand
Usable energy 7.36 kWh 7.46 kWh 0.10 kWh apart
Nominal voltage 205 V 115 V 90 V apart
Weight 97.0 kg 78.5 kg 18.5 kg lighter
Weight per kWh 13.2 kg/kWh 10.5 kg/kWh 2.7 kg/kWh lighter
Nominal energy 8.18 kWh 8.29 kWh 0.11 kWh apart
Max operating temperature 60 °C 55 °C 5 °C more heat tolerant
Modules per stack 2-6 2-7 2-6 vs 2-7
Operating voltage 166.4-700 V 97.2-131.4 V 166.4-700 V vs 97.2-131.4 V
Dimensions 650x540x385 mm 366x570x380 mm 650x540x385 mm vs 366x570x380 mm

Shop prices by brand: See 44 Deye offers · See 21 FoxESS offers

02

Full specification

Parameter GB-L8 ECS4300H-H2 Difference
Capacity
Usable energy 7.36 kWh 7.46 kWh 0.10 kWh apart
Nominal energy 8.18 kWh 8.29 kWh 0.11 kWh apart
Depth of discharge 90 % 90 % Same
Max system capacity 24.5 kWh 29.0 kWh +4.4 kWh for ECS4300H-H2
Modules per stack 2-6 2-7 2-6 vs 2-7
Power
Continuous discharge power 8.19 kW - Not published by FoxESS
Continuous charge power 8.19 kW - Not published by FoxESS
Peak discharge power 10.24 kW - Not published by FoxESS
Power per kWh 1.11 kW/kWh - Not published by FoxESS
Efficiency and lifetime
Round-trip efficiency - 95.0 % Not published by Deye
Cycle life 6000 cycles 6000 cycles Same
Cycle test depth - 90 % Not published by Deye
Capacity at end of life 70 % - Not published by FoxESS
Self-discharge - - Neither datasheet publishes this
Electrical
Voltage class High voltage High voltage Same
Nominal voltage 205 V 115 V 90 V apart
Operating voltage 166.4-700 V 97.2-131.4 V 166.4-700 V vs 97.2-131.4 V
Cell chemistry LFP LFP Same
Active cell balancing - - Neither datasheet publishes this
Thermal management Yes - Not published by FoxESS
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 97.0 kg 78.5 kg -18.5 kg for ECS4300H-H2
Weight per kWh 13.2 kg/kWh 10.5 kg/kWh -2.7 kg/kWh for ECS4300H-H2
Dimensions 650x540x385 mm 366x570x380 mm 650x540x385 mm vs 366x570x380 mm
Ingress protection IP65 IP65 Same
Outdoor-rated Yes Yes Same
Min operating temperature -20 °C -20 °C Same
Max operating temperature 60 °C 55 °C +5 °C for GB-L8
Warranty
Warranty 10 yrs - Not published by FoxESS
Warranted throughput - - Neither datasheet publishes this
03

More useful comparisons

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Deye GB-L8 vs FoxESS HS7.5
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FoxESS ECS4300H-H2 vs BYD Battery-Box Premium HVS 7.7
15 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.