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10. OPERATION
The BMS prevents battery operation outside of specified operating conditions.
Understand each of these protections and set up the system accordingly.
Refer to Table 3-4, AES LiFePO
• Intentionally bypassing the BMS to operate the battery outside maximum and
minimum limits voids the warranty.
10.1 Low Voltage Cut-Off
Program the low voltage cut-off at or above the Low Voltage Disconnect as shown
in Table 3-1, AES LiFePO
before the BMS enters low voltage protection.
• Storing or leaving the battery at 0% SOC will lead to irreversible damage and void the
warranty.
10.2 State of Charge
A voltage-based battery meter designed for lead-acid batteries will not provide an
accurate state-of-charge (SOC) for lithium batteries. The following device, available
from Discover Battery, can be used to communicate an accurate state of charge to
other devices.
• LYNK II Communication Gateway
10.3 Charging
Each electrical system will have different characteristics and balance-of-system
components. Charger settings may require modifications to optimize system
performance.
• Always confirm that the charging device is incapable of producing transient spikes
that exceed the published terminal voltage limits for the battery.
• Always confirm the charging curve meets the battery's charging requirement.
• Never charge a visibly damaged or frozen battery.
10.3.1 Closed-Loop Charging
Closed-loop charging is a charging method whereby the battery communicates
with a charger and controls the charge voltage and current. Closed-loop charging is
available with compatible chargers directly connected to the AEbus (LYNK) Port or
through the LYNK II Communication Gateway. Closed-loop charging reduces charge
time and increases balancing efficiency when compared to open-loop charging.
Protection Specifications.
4
NOTICE
Electrical Specifications. This action disconnects the load
4
NOTICE
NOTICE
NOTICE
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