Weco 4K4LT - Inverter Technical Information and Working Logic

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WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023
INVERTER TECHNICAL INFORMATION AND WORKING LOGIC
For use with WeCo batteries, any of the approved inverters must be used, which must operate within the parameters indicated below.
These parameters may be above or below the range provided in the performance warranty, so always refer to the WeCo limited warranty in
order to set the inverter working parameters in accordance with the warranty, if the customer intends to comply with them to benefit from
the performance guarantees.
A battery that operates outside the maximum (and minimum) values of current, voltage, temperature and any other parameters mentioned in
the warranty, is no longer covered by the performance warranty.
Description
Inverter: Low Voltage
CUT OFF
Inverter: High Voltage
CUT OFF
Standard charging
current (*max 110A
peak 30 sec)
Standard discharge current
(*max 110A Peak 30sec)
Single battery
47,5 = SOC 0%
Recommended 50.5 =
SOC 5% if ON grid
Recommended 51.0
=SOC 10% if OFF GRID
58,5 = 98%
65A max *110A
70A max *110A
Master + Slave1
Master+SL1+SL2
Master+SL1+SL2+SL3
Master+SL1+SL2+SL3+SL4
*Values are subjected to modifications and could be different from the above charts
CHARGE
Temperature range *
C – rate*
-5°C +5°C
0,05C
+6°C +9°C
0,1C
+10°C +14°C
0,3C
+15°C +45°C
0,8C
+46°C +50°C
1 C
+51°C +55°C
0,1C
DISCHARGE
Temperature range *
C – rate*
-10°C -5°C
0,2C
-6°C 0°C
0,3C
+1°C +10°C
0,8C
+11°C +55°C
1 C
+56°C +65°C
0,5C