Product Overview; Brief Introduction; Configuration Table - BYD Battery-Box L 3.5(AU) User Manual

11 Cell voltage
12 Failure
13 Alarm
14 Over discharged

5 Product Overview

5.1 Brief Introduction

This product is a low-voltage DC battery system with an operating voltage of 48V. It is utilized in
household energy storage applications and works together with a low-voltage inverter to realize
the goal of energy storage for the home. A battery system consists of 1 to 4 individual battery
modules connected in parallel.
Main Components:
B-Plus L 3.5(A)

5.2 Configuration Table

No. Type
1 Battery-Box L 3.5(AU)
2 Battery-Box L 7.0(AU)
3 Battery-Box L 10.5(AU)
4 Battery-Box L 14.0(AU)
7
BYD Battery-Box LV User Manual
Battery or BMS is broken, need to be replaced
Indicate that the battery is in an abnormal status
Energy state of the battery is too low and needs to be recharged
Product overview
BCU
BCU B-Plus L 3.5(A)
1 1
1 2
1 3
1 4
Single cell voltage
Base Energy(kWh)
1 3.5
1 7.0
1 10.5
1 14.0
Base
Voltage(Vd.c)
51.2
51.2
51.2
51.2