2021.10.

18
Specification
of TOWER
 Specification of tower

1. Product Specification

1.1 Battery Module

Table 1-1 Parameter of HV9637

Module Name HV9637
Cell Technology Li-ion(LFP)
Battery Module Capacity (kWh) 3.55
Battery Module Voltage (Vdc) 96
Battery Module Capacity (Ah) 37
Battery Module Cell Quantity (pcs) 30
Battery Cell Capacity (Wh) 118.4
Battery Cell Voltage (Vdc) 3.2
Battery Cell Capacity (AH) 37
Battery Module Cell Quantity in Series (pcs) 30S1P
Battery Module Charge Voltage (Vdc) 108
Battery Module Charge Current (Normal) 75
Battery Module Discharge lower-Voltage (Vdc) 84
Battery Module Discharge Current (Normal) 18.5
Dimension(W*D*H, mm) 504*380*240
Communication CAN
Pollution Degree (PD) II
IP Grade IP54
Weight(kg) 41

1.2 System Performance Parameter

Table 1-2 Parameter of tower system

System List T21 T17 T14 T10 T7

Module Type LFP LFP LFP LFP LFP

Total Storing Energy [kWh] 21.31 17.76 14.21 10.66 7.10

Usable Capacity [kWh] 21.31 17.76 14.21 10.66 7.10

Recommend Depth of Discharge 80% 80% 80% 80% 80%

Max Depth of Discharge 100% 100% 100% 100% 100%

Module configuration 6 Series 5 Series 4 Series 3 Series 2 Series

Voltage Range[Vdc] 504~657 420~547 336~438 252~328 168~219

Battery System Voltage (Vdc) 576 480 384 288 192

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Battery System Capacity (Ah) 37 37 37 37 37

Battery System Charge Voltage

657 547.5 438 328.5 219
(Vdc)

Battery System Charge Current [A]

7.4 7.4 7.4 7.4 7.4
(Standard)

Battery System Charge Current [A]

18.5 18.5 18.5 18.5 18.5
(Normal)

Battery System Charge Current [A]

37 37 37 37 37
(Max)

Battery System Discharge

504 420 336 252 168
lower-Voltage (Vdc)

Battery System Discharge Current

7.4 7.4 7.4 7.4 7.4
[A] (Standard)

Battery System Discharge Current

18.5 18.5 18.5 18.5 18.5
[A] (Normal)

Battery System Discharge Current

37 37 37 37 37
[A] (Max)

Battery System Max. Charge&

Discharge Current [A]
22.5 22.5 22.5 22.5 22.5
(when used in communication with
the inverter)

Discharge condition -10℃~50℃ -10℃~50℃ -10℃~50℃ -10℃~50℃ -10℃~50℃

Charge condition 0℃~50℃ 0℃~50℃ 0℃~50℃ 0℃~50℃ 0℃~50℃

Max. Discharge Power [kW] 21.31 17.76 14.21 10.66 7.1

Max.Charge& Discharge Power [kW]

(when used in communication with 12.78 10.65 8.52 6.39 4.2

the inverter)

Short Circuit Current [kA] 1.5 1.5 1.5 1.5 1.5

Enclosure Protection (IP) IP54 IP54 IP54 IP54 IP54

Size [mm] 1500 1300 1100 900 700

*504*380 *504*380 *504*380 *504*380 *504*380

Weight [kg] 269 228 187 146 105

Battery Module Name HV9637 HV9637 HV9637 HV9637 HV9637

Battery Module Quantity(pcs) 6 5 4 3 2

 Specification of tower

2. Interface Definition

2.1 Front Panel of battery module

HV9637 top interface

HV9637 bottom interface

Table 2-1 Interface Definition

Item Name Definition

1 Composite connector-Plug Battery module output and communication interface

2 Composite connector-Socket Battery module output and communication interface
 Specification of tower

2.2 Front Panel of BDU module

BDU right interface

1 2 3 4 5
BDU left interface

BDU bottom interface

7
 Specification of tower

Table 2-2 Interface Definition

Item Name Definition

Power Wake
1 Long press this button 5S to start the battery system
Button
External Positive
2 Connect battery system with Inverter positive terminal
socket
EXT-CAN
RJ45 communication port between the battery system and
3 Communication
inverter
Port
External Negative
4 Connect battery system with Inverter negative terminal
socket
5 Power On switch Turn on the switch to power the BMS system
The master switch of the battery system,you must switch on it
6 DC Breaker before switching on power on&power wake switch; Short
circuit protection.
Composite
7 Battery module output and communication interface
connector-Socket

3. Alarms and protection

Note: "N" in the table is HV9637 Battery Module Quantity

No. Item Default value Remark

High charging Alarm value 105V*N
voltage Alarm recovery value 102V*N
1
protection and Protection value 109.5V*N
recovery Protection recovery value 104V*N
Low Alarm value 87V*N
discharging Alarm recovery value 93V*N
2
voltage Protection value 76.5V*N
protection Protection recovery value 84V*N
Alarm value 2.9V
Low cell voltage
Alarm recovery value 3.1V
3 protection and
Protection value 2.55V
recovery
Protection recovery value 2.8V
High cell Alarm value 3.55V
voltage Alarm recovery value 3.5V
4
protection and Protection value 3.6V
recovery Protection recovery value 3.45V
5 Charging over Alarm value 40A
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No. Item Default value Remark

current Alarm recovery After the alarm, restored
protection when the current release or if
there is a discharging current
recovery.
Protection value 50A
After protection, restored in
Protection recovery 1s delay or immediately when
there is discharging current.
Alarm value 40A
After the alarm, restored
when the current release or if
Alarm recovery
Discharging there is a charging current
6 over current recovery.
protection Protection value 50A
After protection, restored in
Protection recovery 1s delay or immediately when
there is charging current.
Charging alarm value 55℃
Charging alarm recovery 54℃
value
Charging protection value 60℃
Charging protection 59℃
Cell over
Recovery value
temperature
7 Discharging alarm value 55℃
protection and
Discharging alarm
recovery 54℃
recovery value
Discharging protection
60℃
value
Discharging protection
59℃
recovery value
Discharging alarm value 0℃
Cell low Discharging alarm
1℃
temperature recovery value
8
protection and Discharging protection
-10℃
recovery value
Discharging protection -9℃
 Specification of tower

No. Item Default value Remark

recovery value
Charging alarm value 0℃ Charging
current limit
below 0℃
will drop to
0A
Charging alarm recovery
1℃
value
Charging protection value 0℃
Charging protection
2℃
recovery value

4. Communication port

Figure 4-1 CAN interface definition

Table 4-1 BDU CAN Pin Definition

Foot position Color Definition
PIN1 Orange/white Reserve
PIN2 Orange XGND
PIN3 Green/white Reserve
PIN4 Blue CANH
PIN5 Blue/white CANL
PIN6 Green Reserve
PIN7 Brown/white Reserve
PIN8 Brown Reserve
Daqin New Energy Tech (Taizhou) Co., Ltd.
Address: Building 13, Kunshan Jiangyan Industrial Park,
Chenzhuang West Road, Jiangyan District, Taizhou City,
Jiangsu Province, China, 225500.
Email: Sales@dyness-tech.com
Website: www.dyness-tech.com.cn
Website: www.dyness-tech.com.cn