Technical Items; Product Overview; Brief Introduction - BYD Battery-Box HV series User Manual

When BYD Battery-Box HV operates in low temperatures, the charge and discharge current is
adjusted automatically.
low. Please refer to the table below for current parameters related to operating temperature:
Temperature Range (℃)
Temperature Range (℃)

4 Technical Items

No. Terms
1 Discharge
2 Charge
3 Full charged
4 Idle
5 Shutdown mode
6 SOC
7 SW
8 HW
9 Battery voltage
10 Pack voltage
11 Cell voltage
12 Failure
13 Alarm
14 Protect
15 Over discharged

5 Product Overview

5.1 Brief Introduction

This product is a high-voltage DC battery system with an operating voltage range between
200~500V. It is utilized in household energy storage applications and works together with a high-
voltage inverter to realize the goal of energy storage for the home. A battery system consist of 5
to 9 individual battery modules connected in serial.
5
BYD Battery-Box HV User Manual
The battery will limit the current when the operating temperature gets
Charge Current at Various Temperatures Ranges
-10~0
0~12
12~50
Note: It will take 2 minutes for the charge current to adjust
Discharge Current at Various Temperatures Ranges
-10~40
40~50
Battery output power for load
To put electricity into battery by charger
Battery had been full charged, SOC is 100%.
Ready for charging and discharging
Power off
State of Charge
Software
Hardware
The voltage between B+/B-
The voltage between P+/P-
Single cell voltage
Battery or BMS is broken, need to be replaced
Indicate that the battery is in abnormal status
Battery stops charging or discharging and is recoverable.
Battery is lack of electricity, and needs to be recharged in time.
Normal Current(A)
0.2C
0.5C
0.8C
Normal Current(A)
1C
0.5C
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