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BYDBattery-Box Premium HVM 19.3

The BYD Battery-Box Premium HVM 19.3 is a home battery with usable capacity 19.32 kWh, round-trip efficiency 96 % and cell chemistry LFP.1

Last updated: Technical specifications ⇄ Compare this model

Key figures

Usable capacity
19.32kWh1
Round-trip efficiency
96%1
Manufacturer data
Cell chemistry
LFP1
Manufacturer data
Warranty
10years1
Manufacturer data
Expandable up to
66.2kWh1
Manufacturer data

Technical specifications

General
Cell chemistry LFP1
Performance
Usable capacity 19.32 kWh1
Smallest configuration 8.28 kWh1
Expandable up to 66.2 kWh1
Efficiency
Round-trip efficiency 96 %1
Electrical
Backup power Yes1
Off-grid capable Yes1
Dimensions & weight
IP rating IP551
Min. operating temperature -10 °C1
Width 585 mm1
Height 1,927 mm1
Depth 298 mm1
Warranty & lifespan
Warranty 10 years1

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Frequently asked questions

What is the usable capacity of the BYD Battery-Box Premium HVM 19.3?

The usable capacity of the BYD Battery-Box Premium HVM 19.3 is 19.32 kWh.1

What is the round-trip efficiency of the BYD Battery-Box Premium HVM 19.3?

The round-trip efficiency of the BYD Battery-Box Premium HVM 19.3 is 96 %.1

Which cell chemistry does the BYD Battery-Box Premium HVM 19.3 use?

The cell chemistry of the BYD Battery-Box Premium HVM 19.3 is LFP.1

What is the warranty of the BYD Battery-Box Premium HVM 19.3?

The warranty of the BYD Battery-Box Premium HVM 19.3 is 10 years.1

Sources

  1. Battery-Box Premium HVM – datasheet, BCU2.0 V1.0 EN (28.03.2025) — BYD Lithium Battery Co., Ltd. · accessed 27 Sept 2026