Skip to main content
SigenStor BAT 8.0 vs Battery-Box Premium HVS 7.7 3 of 19 identical Swap Change batteries

Sigenergy SigenStor BAT 8.0 vs BYD Battery-Box Premium HVS 7.7

Sigenergy SigenStor BAT 8.0
SigenStor BAT 8.0
7.8 kWh 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

16 differences, and they point both ways

The largest is continuous discharge power: 3.68 kW more power. 3 of 19 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 16 differences
How alike are they
3 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

16 of 19 parameters
Parameter SigenStor BAT 8.0 Battery-Box Premium HVS 7.7 Difference
Continuous discharge power 4.00 kW 7.68 kW 3.68 kW more power
Usable energy 7.80 kWh 7.68 kWh 0.12 kWh apart
Max system capacity 48.4 kWh 12.8 kWh 35.6 kWh more room to expand
Nominal energy 8.06 kWh 7.68 kWh 0.38 kWh apart
Continuous charge power 4.00 kW 7.68 kW 3.68 kW faster charging
Peak discharge power 6.00 kW 15.36 kW 9.36 kW more surge
Power per kWh 0.51 kW/kWh 1.00 kW/kWh 0.49 kW/kWh more power for its size
Weight 73.0 kg 129.0 kg 56.0 kg lighter
Weight per kWh 9.4 kg/kWh 16.8 kg/kWh 7.4 kg/kWh lighter
Min operating temperature -20 °C -10 °C 10 °C more cold tolerant
Max operating temperature 55 °C 50 °C 5 °C more heat tolerant
Inverter Built in (all-in-one) None (battery only) Built in (all-in-one) vs None (battery only)
Ingress protection IP66 IP55 IP66 vs IP55
Modules per stack 1-6 2-5 1-6 vs 2-5
Operating voltage 300-600 V 240-360 V 300-600 V vs 240-360 V
Dimensions 270x767x260 mm 995x585x298 mm 270x767x260 mm vs 995x585x298 mm
02

Price offers

4 shops we track
Shop SigenStor BAT 8.0 Battery-Box Premium HVS 7.7 At this shop
solarbatterysupermarket.com.au Australia 3 895 A$ incl. VAT - Only SigenStor BAT 8.0
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 1 offer for SigenStor BAT 8.0 · All 3 offers for Battery-Box Premium HVS 7.7

Shop prices by brand: See 15 Sigenergy offers · See 121 BYD offers

03

Full specification

Parameter SigenStor BAT 8.0 Battery-Box Premium HVS 7.7 Difference
Capacity
Usable energy 7.80 kWh 7.68 kWh 0.12 kWh apart
Nominal energy 8.06 kWh 7.68 kWh 0.38 kWh apart
Depth of discharge - 100 % Not published by Sigenergy
Max system capacity 48.4 kWh 12.8 kWh +35.6 kWh for SigenStor BAT 8.0
Modules per stack 1-6 2-5 1-6 vs 2-5
Power
Continuous discharge power 4.00 kW 7.68 kW +3.68 kW for Battery-Box Premium HVS 7.7
Continuous charge power 4.00 kW 7.68 kW +3.68 kW for Battery-Box Premium HVS 7.7
Peak discharge power 6.00 kW 15.36 kW +9.36 kW for Battery-Box Premium HVS 7.7
Power per kWh 0.51 kW/kWh 1.00 kW/kWh +0.49 kW/kWh for Battery-Box Premium HVS 7.7
Efficiency and lifetime
Round-trip efficiency - 96.0 % Not published by Sigenergy
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 - 307 V Not published by Sigenergy
Operating voltage 300-600 V 240-360 V 300-600 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 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 - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 73.0 kg 129.0 kg -56.0 kg for SigenStor BAT 8.0
Weight per kWh 9.4 kg/kWh 16.8 kg/kWh -7.4 kg/kWh for SigenStor BAT 8.0
Dimensions 270x767x260 mm 995x585x298 mm 270x767x260 mm vs 995x585x298 mm
Ingress protection IP66 IP55 IP66 vs IP55
Outdoor-rated - Yes Not published by Sigenergy
Min operating temperature -20 °C -10 °C -10 °C for SigenStor BAT 8.0
Max operating temperature 55 °C 50 °C +5 °C for SigenStor BAT 8.0
Warranty
Warranty - 10 yrs Not published by Sigenergy
Warranted throughput - - Neither datasheet publishes this
04

More useful comparisons

Open all batteries
Similar capacity
Sigenergy SigenStor BAT 8.0 vs FoxESS ECS2900-H3
10 differences, the largest is max system capacity
Similar capacity
Sigenergy SigenStor BAT 8.0 vs FoxESS ECS4300H-H2
11 differences, the largest is usable energy
Similar capacity
Sigenergy SigenStor BAT 8.0 vs Deye GB-L8
15 differences, the largest is usable energy
05

Written summary

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