B-Box HV Installation Guide

BYD Battery-Box HV User Manual
1 General Information
1.1 Validity
This user manual is applicable to the BYD Battery-Box H 5.0 / 7.5 / 10.0.
1.2 Application
This user manual contains BYD Battery-Box HV product information, usage guidance, safety information, and
details on common operating issues and subsequent corrective actions.
BYD Battery-Box HV is an energy storage unit that is designed to be used in residential on-grid applications with
the capability for short-term backup.
1.3 Intended Use
Notes regarding intended use:
● BYD Battery-Box HV is not suitable for supporting life-sustaining medical devices. A power outage must not
lead to the inability to use life-sustaining medical devices and subsequent personal injury.
● This product is intended for use only in accordance with the information provided in the enclosed
documentation and with the locally applicable standards and regulations. Any other application may cause
personal injury or property damage.
● The illustrations in this manual are meant only to help explain system configuration concepts, includes
usage guidance, safety precautions, and common operating issues and subsequent corrective actions.
● Alterations to the product, e.g. changes or modifications, are only permitted with the express written
permission of BYD. Unauthorized alterations will void warranty claims. BYD shall not be held liable for any
damage caused by such changes. Any use of the product other than that described in the Intended Use
section does not qualify as appropriate. The enclosed documentation is an integral part of this product.
Keep the documentation in a convenient place for future reference and observe all instructions contained
therein. The type label (see Section 1.5) must remain attached to the product.
● BYD Battery-Box HV series products must work with compatible inverters which are listed in the
“Compatible Inverter List” section of this manual.
● Please contact BYD or local after-service providers within 1 week once the user decides to cease using
their BYD Battery-Box products.
● The Battery-Box HV system can be installed at altitudes of up to 2000m above Mean Sea Level.
1.4 Definition
Battery-Box H 5.0~10.0 components are defined as below:
● BYD Battery-Box HV: High-voltage household energy storage battery system.
● B-Plus H 2.5: Battery module. The Battery module provides the energy and sends the information about the
cell voltage and cell temperature in the battery module to the upper-layer BCU. The nominal capacity of the
B-Plus H 2.5 battery is 2.56kWh.
● BCU: Battery Control unit and Base. Two parts consisting of both the battery management and control
component mounted on top of the battery modulus as well as structural base, which physically supports the
battery modules underneath. The top portion of the BCU is responsible for communication to and
connection with the inverter or BMU.
1.5 Identifying The Product
The type label contains the product identification information, and is attached on the product. For safe usage, the
user must be well-informed of the contents in the type label. The type label includes:
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