B-Box HV Installation Guide
BYD Battery-Box HV User Manual 
Contents 
1 General Information 2 
1.1 Validity 2 
1.2 Application 2 
1.3 Intended Use 2 
1.4 Definition 2 
1.5 Identifying The Product 3 
2 Safety 3 
3 Technical Data 4 
4 Technical Items 5 
5 Product Overview 5 
5.1 Brief Introduction 5 
5.2 BYD Battery-Box HV Configuration Table 6 
5.3 BCU Introduction 6 
5.3.1 BCU Interface Introduction (Left Side) 7 
5.3.2 BCU Interface Introduction (Right Side) 7 
5.3.3 BCU Functional Interfaces Definition 7 
6 Cleaning and Maintenance 8 
6.1 Cleaning 8 
6.2 Maintenance 8 
6.2.1 Recharge Requirements During Normal Storage 8 
6.2.2 Recharge Requirement When Over Discharged 8 
7 Compatible Inverter List 9 
8 Common Issues and Solutions 9 
8.1 Common Issues of BYD Battery-Box HV and Solutions 9 
8.2 Common Issues Displayed On Inverter and Solutions 9 
8.3 Emergency 9 
9 Warranty 9 
Contact Information 10 
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