20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model

* 12/24V battery system auto recognition
* 100Voc max PV input voltage
* 20A max charge current
* 600W max PV input power
* 300 days max data logging
* 0.3W max self-power consumption
* Negative grounded design
* Inbuilt BT module for APP operation

Paramenters

Controller Parameter
Value
Model No.
M2420N
M2430N
M2440N
M4850N
M4860N
System Wiring
Negative Grounded
Battery System Voltage
12V/24V
Auto (FLD/GEL/SEL/USE)
Manual (Li/USE)
12V/24/36/48V
Auto (FLD/GEL/SEL/USE)
Manual (Li/USE)
No-load Loss
12mA/12V;10mA/24V
12mA/12V;10mA/24V
5mA/36V;6mA/48V
Max Solar Input Voltage
<100Voc
<150Voc
Rated Solar Charge Current
20A
30A
40A
60A
Max Solar Input Power
300W/12V
600W/24V
450W/12V
900W/24V
600W/12V
1200W/24V
750W/12V
1500W/24V
2200W/36V
2700W/48V
900W/12V
1800W/24V
2600W/36V
3200W/48V
Light Control Voltage
5V*n
Light Control Delay Time
10s
Max Load Output Current
20A
IP Protection
IP32
Net Weight
1.21KG
2.02KG
2.02KG
3KG
4.55KG
Communication Port
RS485
Operating Altitude
≤ 3000 m
Controller Dimension(mm)
180*140*71.1
245*180*82.5
245*180*82.5
280*210*90.6
280*210*102.7
Battery Voltages
Battery Parameters
Battery Types
FLD
SEL
GEL
USE
(adjustable)
LI
(adjustable)
Equalize Charge Voltage
14.8V*n
14.6V*n
-
Default
-
Boost Charge Voltage
14.6V*n
14.4V*n
13.2V*n
Default: GEL
Default: 14.2V*n
Float Charge Voltage
13.8V*n
Default: GEL
-
Boost Charge Recovery Voltage
13.2V*n
Default: GEL
-
Over-discharge Recovery Voltage
12.6V*n
Default: GEL
-
Over-discharge Voltage
11.1V*n
Default: GEL
Default: 14.2V*n
Auto Temperature Compensation
-3mV/2V/ºC
Default: GEL
-

Application Scope