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GB-SL-EU (2 modules in series) vs GB-L8 15 of 20 identical Swap Change batteries

Deye GB-SL-EU (2 modules in series) vs Deye GB-L8

Deye GB-SL-EU (2 modules in series)
GB-SL-EU (2 modules in series)
7.36 kWh LFP HV
Open battery page Datasheet PDF
VS
Deye GB-L8
GB-L8
7.36 kWh LFP HV
Open battery page Datasheet PDF
The verdict

GB-L8 leads on the differences that matter

The largest is weight: 40.0 kg lighter. 15 of 20 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 5 differences
How alike are they
15 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

5 of 20 parameters
Parameter GB-SL-EU (2 modules in series) GB-L8 Difference
Weight 137.0 kg 97.0 kg 40.0 kg lighter
Weight per kWh 18.6 kg/kWh 13.2 kg/kWh 5.4 kg/kWh lighter
Inverter Built in (all-in-one) None (battery only) Built in (all-in-one) vs None (battery only)
Operating voltage 179.2-691.2 V 166.4-700 V 179.2-691.2 V vs 166.4-700 V
Dimensions 1100x540x385 mm 650x540x385 mm 1100x540x385 mm vs 650x540x385 mm

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02

Full specification

Parameter GB-SL-EU (2 modules in series) GB-L8 Difference
Capacity
Usable energy 7.36 kWh 7.36 kWh Same
Nominal energy 8.18 kWh 8.18 kWh Same
Depth of discharge 90 % 90 % Same
Max system capacity 24.5 kWh 24.5 kWh Same
Modules per stack 2-6 2-6 Same
Power
Continuous discharge power - 8.19 kW Not published by Deye
Continuous charge power - 8.19 kW Not published by Deye
Peak discharge power - 10.24 kW Not published by Deye
Power per kWh - 1.11 kW/kWh Not published by Deye
Efficiency and lifetime
Round-trip efficiency - - Neither datasheet publishes this
Cycle life 6000 cycles 6000 cycles Same
Cycle test depth 90 % - Not published by Deye
Capacity at end of life 70 % 70 % Same
Self-discharge - - Neither datasheet publishes this
Electrical
Voltage class High voltage High voltage Same
Nominal voltage 205 V 205 V Same
Operating voltage 179.2-691.2 V 166.4-700 V 179.2-691.2 V vs 166.4-700 V
Cell chemistry LFP LFP Same
Active cell balancing - - Neither datasheet publishes this
Thermal management Yes Yes Same
Built-in inverter
Inverter Built in (all-in-one) None (battery only) Built in (all-in-one) vs None (battery only)
Inverter power - - Neither datasheet publishes this
Grid connection 3-phase - Not published by Deye
Backup power - - Neither datasheet publishes this
Physical
Weight 137.0 kg 97.0 kg -40.0 kg for GB-L8
Weight per kWh 18.6 kg/kWh 13.2 kg/kWh -5.4 kg/kWh for GB-L8
Dimensions 1100x540x385 mm 650x540x385 mm 1100x540x385 mm vs 650x540x385 mm
Ingress protection IP65 IP65 Same
Outdoor-rated - Yes Not published by Deye
Min operating temperature -20 °C -20 °C Same
Max operating temperature 60 °C 60 °C Same
Warranty
Warranty 10 yrs 10 yrs Same
Warranted throughput - - Neither datasheet publishes this
03

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04

Written summary

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