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HVM 8.3 vs HVS 7.7 9 of 13 identical Swap Change batteries

BYD Battery-Box Premium HVM 8.3 vs BYD Battery-Box Premium HVS 7.7

Battery-Box Premium HVM 8.3
8.28 kWh 96.0 % 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

HVM 8.3 leads on the differences that matter

The largest is usable energy: 0.60 kWh apart. 9 of 13 comparable parameters are identical, with 20 more left out because at least one datasheet does not publish them.

See all 4 differences
How alike are they
9 of 13 comparable
parameters are identical
identical differs not published
01

What actually differs

4 of 13 parameters
Parameter HVM 8.3 HVS 7.7 Difference
Usable energy 8.28 kWh 7.68 kWh 0.60 kWh apart
Max system capacity 24.8 kWh 12.8 kWh 12.0 kWh more room to expand
Nominal voltage 154 V 307 V 154 V apart
Operating voltage 120-177 V 240-360 V 120-177 V vs 240-360 V
02

Price offers

3 shops we track
Shop HVM 8.3 HVS 7.7 At this shop
Solaris Energy Poland 14 800 zł incl. VAT 13 720 zł incl. VAT HVS 7.7 costs less
www.solar-outlet.nl Netherlands 3 549.95 € incl. VAT 3 298.95 € incl. VAT Both stocked
Consor Energia Poland - 31 000 zł incl. VAT Only HVS 7.7

All 2 offers for HVM 8.3 · All 3 offers for HVS 7.7

Shop prices by brand: See 121 BYD offers

03

Full specification

Parameter HVM 8.3 HVS 7.7 Difference
Capacity
Usable energy 8.28 kWh 7.68 kWh 0.60 kWh apart
Nominal energy - 7.68 kWh Not published by BYD
Depth of discharge - 100 % Not published by BYD
Max system capacity 24.8 kWh 12.8 kWh +12.0 kWh for HVM 8.3
Modules per stack - 2-5 Not published by BYD
Power
Continuous discharge power - 7.68 kW Not published by BYD
Continuous charge power - 7.68 kW Not published by BYD
Peak discharge power - 15.36 kW Not published by BYD
Power per kWh - 1.00 kW/kWh Not published by BYD
Efficiency and lifetime
Round-trip efficiency 96.0 % 96.0 % Same
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 307 V 154 V apart
Operating voltage 120-177 V 240-360 V 120-177 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 - 129.0 kg Not published by BYD
Weight per kWh - 16.8 kg/kWh Not published by BYD
Dimensions 995x585x298 mm 995x585x298 mm Same
Ingress protection IP55 IP55 Same
Outdoor-rated - Yes Not published by BYD
Min operating temperature -10 °C -10 °C Same
Max operating temperature 50 °C 50 °C Same
Warranty
Warranty 10 yrs 10 yrs Same
Warranted throughput - - Neither datasheet publishes this
04

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05

Written summary

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