User Manual

Model
Battery Type
System Weight
Dimensions(W x D x H )
Protection
Installed Capacity
Usable Energy
DOD
Nominal Voltage
Operating Voltage Range
Internal Resistance
Max. Charge current
Max. Discharge current
Operating Temperature Range
Humidity
Module Connect
Capacity Range
Usable Energy Range
Max. Charge Current
Max. Discharge Current
Monitoring Parameters
Communication
Certification
SECU-A5.4L
LiFePO
4
49kg
400x226.2x484.2mm
IP20 (indoor)
5.4 kWh
4.8 kWh
90%
51.2 V
48 ~ 57.6 V
≤ 20 mΩ
50 A
50 A
-10 °C ~ 50 °C [1]
15% ~ 85%
6 Parallels
5.4/10.8/16.2/21.6/27/32.4 kWh
4.8/9.6/14.4/19.2/24/28.8 kWh
50A (1 Module) / 100A (2~6 Modules)
50A (1 Module) / 100A (2~6 Modules)
system voltage, current, cell voltage, cell temperature,
PCBA temperature
CAN
CE, UN38.3
7. Battery Parameters
Physical Parameters
Electrical Parameters
System Configuration
[1] When the temperature is below zero, the battery are not allowed to charge. When above 40℃,
the power output decreased.
Technical Data SECU A5.4-20
2*SECU A5.4-20
3*SECU A5.4-20
Nominal Dis-/Charge
Current (A)*2
Operating Voltage
Range (V)
Nominal Voltage (V)
Nominal Power (kW)*2
Short-Circuit Current
Relative Humidity
Communication
Weight (kg)
Ingress Protection Rating
Storage Temperature (℃)
Mounting Method
Round-trip Efficiency
Cycle Life*3
Safety
EMC
Transportation
Standard
and
Certification
Dimensions (W×H×D mm)
Max. Operating Altitude
(m)
Operating Temperature
Range (℃)
Cell Configuration
Cell Type
Number of Module
5.4
1
16S1P 16S2P 16S3P
2 3
10.8
SECU A5.4-20
LFP（ LiFePO4）
51.2
47.5~57.6
50
100
2.56
0~95%
2000
49 98 147
CAN、 RS485
403x227x455 (SECU A5.4-20)
IP 20
95.0%
≥ 4000 @0.5C/0.5C
CE， RCM
UN38.3
-20 ~ +40 (≤One Month) / 0 ~ +35 (≤One Year)
Grounded/ Cabinet
5.12
2.323kA@1.0ms
Charge: 0 ~ +50 / Discharge: -10 ~ +50
16.2
Battery Module
Usable Energy (kWh)*1
*1: Test conditions， 100% DOD， 0.2C charge & discharge at +25±2 °C for battery system
at beginning life. System Usable Energy may vary with different Inverter.
*2： Nominal Dis-/Charge Current and power derating will occur related to Temperature and
SOC.
*3： Based on Cell under 0.5C/0.5C @ 25±2℃ test condition and 80% EOL.
IEC62619， IEC63056，CEC
11
12