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ECS4300H-H2 vs Battery-Box Premium HVS 7.7 4 of 19 identical Swap Change batteries

FoxESS ECS4300H-H2 vs BYD Battery-Box Premium HVS 7.7

FoxESS ECS4300H-H2
ECS4300H-H2
7.46 kWh 95.0 % round-trip LFP HV
Open battery page Datasheet PDF
VS
Battery-Box Premium HVS 7.7
7.68 kWh 96.0 % round-trip LFP HV
Open battery page Datasheet PDF
The verdict

ECS4300H-H2 leads on the differences that matter

The largest is usable energy: 0.22 kWh apart. 4 of 19 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
4 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 19 parameters
Parameter ECS4300H-H2 Battery-Box Premium HVS 7.7 Difference
Usable energy 7.46 kWh 7.68 kWh 0.22 kWh apart
Max system capacity 29.0 kWh 12.8 kWh 16.2 kWh more room to expand
Round-trip efficiency 95.0 % 96.0 % 1.0 pp less lost per cycle
Nominal energy 8.29 kWh 7.68 kWh 0.61 kWh apart
Depth of discharge 90 % 100 % 10 pp more of the cells usable
Nominal voltage 115 V 307 V 192 V apart
Weight 78.5 kg 129.0 kg 50.5 kg lighter
Weight per kWh 10.5 kg/kWh 16.8 kg/kWh 6.3 kg/kWh lighter
Min operating temperature -20 °C -10 °C 10 °C more cold tolerant
Cycle test depth 90 % 100 % 10 pp apart
Max operating temperature 55 °C 50 °C 5 °C more heat tolerant
Ingress protection IP65 IP55 IP65 vs IP55
Modules per stack 2-7 2-5 2-7 vs 2-5
Operating voltage 97.2-131.4 V 240-360 V 97.2-131.4 V vs 240-360 V
Dimensions 366x570x380 mm 995x585x298 mm 366x570x380 mm vs 995x585x298 mm
02

Price offers

3 shops we track
Shop ECS4300H-H2 Battery-Box Premium HVS 7.7 At this shop
Solaris Energy Poland - 13 720 zł incl. VAT Only Battery-Box Premium HVS 7.7
Consor Energia Poland - 31 000 zł incl. VAT Only Battery-Box Premium HVS 7.7
www.solar-outlet.nl Netherlands - 3 298.95 € incl. VAT Only Battery-Box Premium HVS 7.7

All 3 offers for Battery-Box Premium HVS 7.7

Shop prices by brand: See 21 FoxESS offers · See 121 BYD offers

03

Full specification

Parameter ECS4300H-H2 Battery-Box Premium HVS 7.7 Difference
Capacity
Usable energy 7.46 kWh 7.68 kWh 0.22 kWh apart
Nominal energy 8.29 kWh 7.68 kWh 0.61 kWh apart
Depth of discharge 90 % 100 % +10 pp for Battery-Box Premium HVS 7.7
Max system capacity 29.0 kWh 12.8 kWh +16.2 kWh for ECS4300H-H2
Modules per stack 2-7 2-5 2-7 vs 2-5
Power
Continuous discharge power - 7.68 kW Not published by FoxESS
Continuous charge power - 7.68 kW Not published by FoxESS
Peak discharge power - 15.36 kW Not published by FoxESS
Power per kWh - 1.00 kW/kWh Not published by FoxESS
Efficiency and lifetime
Round-trip efficiency 95.0 % 96.0 % +1.0 pp for Battery-Box Premium HVS 7.7
Cycle life 6000 cycles - Not published by BYD
Cycle test depth 90 % 100 % 10 pp apart
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 115 V 307 V 192 V apart
Operating voltage 97.2-131.4 V 240-360 V 97.2-131.4 V vs 240-360 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 78.5 kg 129.0 kg -50.5 kg for ECS4300H-H2
Weight per kWh 10.5 kg/kWh 16.8 kg/kWh -6.3 kg/kWh for ECS4300H-H2
Dimensions 366x570x380 mm 995x585x298 mm 366x570x380 mm vs 995x585x298 mm
Ingress protection IP65 IP55 IP65 vs IP55
Outdoor-rated Yes Yes Same
Min operating temperature -20 °C -10 °C -10 °C for ECS4300H-H2
Max operating temperature 55 °C 50 °C +5 °C for ECS4300H-H2
Warranty
Warranty - 10 yrs Not published by FoxESS
Warranted throughput - - Neither datasheet publishes this
04

More useful comparisons

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FoxESS ECS4300H-H2 vs Deye GB-L8
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FoxESS ECS4300H-H2 vs Deye GB-SL-EU (2 modules in series)
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FoxESS ECS4300H-H2 vs Dyness Tower Pro TP7
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BYD Battery-Box Premium HVS 7.7 vs FoxESS ECS2900-H3
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BYD Battery-Box Premium HVS 7.7 vs Sigenergy SigenStor BAT 8.0
16 differences, the largest is continuous discharge power
05

Written summary

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