EG4 LL User Manual

2
2. TECHNICAL SPECIFICATIONS
2.1 EG4 LL 12V 400AH SPECIFICATIONS
MODULE OPERATING PARAMETERS
Voltage
12.8V
Capacity
400Ah
Charging Voltage (Bulk/Absorb)
14.0V (+/-0.2V)
Float
13.5V (+/-0.2V)
Low DC Cutoff
11.8 – 11.4V (depending on load – start high, lower
if needed)
Charging Current
100A (Max. Continuous)
Discharging Current
100A (Max. Continuous)
ENVIRONMENTAL PARAMETERS
Charging Range
32°F - 113°F (0°C to 45°C)
Discharging Range
-4°F - 122°F (-20°C - 50°C)
Storage Range
-4°F - 122°F (-20°C - 50°C)
Ingress Protection
IP20
BMS PARAMETERS
CHARGE
SPEC
DELAY
RECOVERY
Cell Voltage Protection
3.8V
1s
3.45V
Module Voltage Protection
15.0V
1s
13.8V
Over Charging Current 1
>220A
10s
-
Over Charging Current 2
≥250A
3s
-
Temperature Protection
<23°F or
>167°F <-5°C
or >75°C
1s
<41°F or
>149°F
>5°C or 65°C
DISCHARGE
Cell Voltage Protection
2.3V
1s
3.1V
Module Voltage Protection
9.6V
1s
12.0V
Over Charging Current 1
>220A
30s
60s
Over Charging Current 2
>380A
3s
60s
Short-Circuit
>775A
<0.1mS
-
Temperature Protection
<-4°F or >167°F
<-20°C or
>75°C
1s
>14°F or
<149°F >-10°C
or <65°C
PCB Temp Protection
>221°F
(>105°C)
1s
<176°F (<80°C)
GENERAL SPECIFICATIONS
PARAMETER
SPEC
CONDITION
Cell Balance
100mA
Passive
Balance
Cell Voltage
Difference >40mV
Temperature Accuracy
3%
Cycle
Measurement
Measuring Range
-40°F ‒ 212°F
(-40°C ‒ 100°C)
Voltage Accuracy
0.5%
Cycle
Measurement
For Cells/Module
Current Accuracy
3%
Cycle
Measurement
Measurement Range
+/-200A
SOC
5%
-
Integral Calculation

EG4 LL Specifications

General

Nominal Voltage	51.2V
Nominal Capacity	100Ah
Energy	5.12 kWh
Max. Continuous Discharging Current	100A
Warranty	10 years
Cycle Life	6000 cycles @ 80% DoD
Communication	CAN, RS485
Scalability	Up to 16 in parallel
Operating Temperature	-4°F to 131°F (-20°C to 55°C)
Battery Type	LiFePO4
Protection	High Temperature, Low Temperature, Short Circuit
C Rating	1C