4
discoverbattery.com
3. Overview
3.1 System Overview
The AES LYNK Communication Gateway unlocks the full potential of a Discover AES LiFePO
4
Battery by enabling the
internal Battery Management System (BMS) to optimize the charge and discharge configurations of the world’s best inverter
chargers and solar charge controller systems in a closed loop configuration.
AES LiFePO
4
batteries must be set up to work with Power Conversion and Monitoring devices in either an Open Loop or
Closed Loop configuration. AES LiFePO
4
battery charge and discharge settings in a Open Loop configuration are set up
manually through the controller for the Power Conversion device at the time of installation. This is commonly refered to as
a ‘lead acid drop-in replacement’ configuration. In a Closed Loop configuration the battery charge and discharge rates and
settings are dynamically controlled by the BMS of the AES LiFePO
4
Battery over a connection with the power conversion
devices in the network.
To connect with the communication network of a specific brand of inverter charger or solar charge controller, the LYNK
Communication Gateway requires an AES LYNK Edge Card with the appropriate communication port.
3.2 Minimum Battery Capacity
Battery charge and discharge rates are managed automatically by the AES
LiFePO
4
Battery and Victron CCGX device.
Using
very large solar arrays with battery banks that are too small can exceed the operating limits of the battery to charge and
possibly lead to the BMS triggering over-current protection. Battery capacity must be sized to accept the maximum charge
current of the system, or the the charging devices must be curtailed to charge below the operating limit of the installed
batteries. This value is derived by adding together the charge capacities of all inverter/chargers and solar charge controllers
in the system. Additionally, battery peak capacity must be sized to support the surge requirements demanded by the load
attached to the inverter. Match the sum of all inverter peak power values with the sum of all battery peak battery current
values.
Model
Inverter Peak
(92% Efficiency at 48V)
Charger
Single Phase
Minimum
42-48-6650
Three Phase
Minimum
42-48-6650
MultiPlus 48/3000/35
136 Adc
35 Adc
1
2
MultiPlus / Quattro 48/5000/70
226 Adc
70 Adc
1
3
Quattro 48/8000/110
362 Adc
110 Adc
2
4
Quattro 48/10000/140
452 Adc
140 Adc
2
5
Quattro 48/15000/200
566 Adc
200 Adc
2
6
Model
Inverter Peak
(92% Efficiency at 24V)
Charger
Single Phase
Minimum
44-24-2800
MultiPlus / Quattro 24/3000/70
271 Adc
70 Adc
1
MultiPlus / Quattro 24/5000/120
452 Adc
120 Adc
2
MultiPlus / Quattro 24/8000/200
724 Adc
200 Adc
3
