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Battery-Box Premium HVM 8.3 vs SigenStor BAT 8.0 2 of 10 identical Swap Change batteries

BYD Battery-Box Premium HVM 8.3 vs Sigenergy SigenStor BAT 8.0

Battery-Box Premium HVM 8.3
8.28 kWh 96.0 % round-trip LFP HV
VS
Sigenergy SigenStor BAT 8.0
SigenStor BAT 8.0
7.8 kWh LFP HV
The verdict

SigenStor BAT 8.0 leads on the differences that matter

The largest is usable energy: 0.48 kWh apart. 2 of 10 comparable parameters are identical, with 23 more left out because at least one datasheet does not publish them.

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

What actually differs

8 of 10 parameters
Parameter Battery-Box Premium HVM 8.3 SigenStor BAT 8.0 Difference
Usable energy 8.28 kWh 7.80 kWh 0.48 kWh apart
Max system capacity 24.8 kWh 48.4 kWh 23.5 kWh more room to expand
Min operating temperature -10 °C -20 °C 10 °C more cold tolerant
Max operating temperature 50 °C 55 °C 5 °C more heat tolerant
Inverter None (battery only) Built in (all-in-one) None (battery only) vs Built in (all-in-one)
Ingress protection IP55 IP66 IP55 vs IP66
Operating voltage 120-177 V 300-600 V 120-177 V vs 300-600 V
Dimensions 995x585x298 mm 270x767x260 mm 995x585x298 mm vs 270x767x260 mm
02

Price offers

3 shops we track
Shop Battery-Box Premium HVM 8.3 SigenStor BAT 8.0 At this shop
Solaris Energy Poland 14 800 zł incl. VAT - Only Battery-Box Premium HVM 8.3
solarbatterysupermarket.com.au Australia - 3 895 A$ incl. VAT Only SigenStor BAT 8.0
www.solar-outlet.nl Netherlands 3 549.95 € incl. VAT - Only Battery-Box Premium HVM 8.3

All 2 offers for Battery-Box Premium HVM 8.3 · All 1 offer for SigenStor BAT 8.0

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

03

Full specification

Parameter Battery-Box Premium HVM 8.3 SigenStor BAT 8.0 Difference
Capacity
Usable energy 8.28 kWh 7.80 kWh 0.48 kWh apart
Nominal energy - 8.06 kWh Not published by BYD
Depth of discharge - - Neither datasheet publishes this
Max system capacity 24.8 kWh 48.4 kWh +23.5 kWh for SigenStor BAT 8.0
Modules per stack - 1-6 Not published by BYD
Power
Continuous discharge power - 4.00 kW Not published by BYD
Continuous charge power - 4.00 kW Not published by BYD
Peak discharge power - 6.00 kW Not published by BYD
Power per kWh - 0.51 kW/kWh Not published by BYD
Efficiency and lifetime
Round-trip efficiency 96.0 % - Not published by Sigenergy
Cycle life - - Neither datasheet publishes this
Cycle test depth - 100 % Not published by BYD
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 154 V - Not published by Sigenergy
Operating voltage 120-177 V 300-600 V 120-177 V vs 300-600 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) Built in (all-in-one) None (battery only) vs Built in (all-in-one)
Inverter power - - Neither datasheet publishes this
Grid connection - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight - 73.0 kg Not published by BYD
Weight per kWh - 9.4 kg/kWh Not published by BYD
Dimensions 995x585x298 mm 270x767x260 mm 995x585x298 mm vs 270x767x260 mm
Ingress protection IP55 IP66 IP55 vs IP66
Outdoor-rated - - Neither datasheet publishes this
Min operating temperature -10 °C -20 °C -10 °C for SigenStor BAT 8.0
Max operating temperature 50 °C 55 °C +5 °C for SigenStor BAT 8.0
Warranty
Warranty 10 yrs - Not published by Sigenergy
Warranted throughput - - Neither datasheet publishes this
04

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05

Written summary

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