18
8. Technical Data
8.1 Technical data of SC-20MPPT
Item
SC-20MPPT
Battery Parameters
Max Charging Current
20A
System Voltage
12V/24V automatical recognization
MPPT Charging Voltage
< 14.5/29.0V@25'C
Boost Voltage
14.5/29.0V @25
℃
Equalization Voltage
14.8/29.6V @25
℃（
Liquid, AGM)
Float Voltage
13.7/27.4V @25
℃
Low Volt. Disconnect
10.8-11.8V/21.6-23.6V, S0C1-5(default: 11.2/22.4V)
Reconnect Voltage
11.6-12.8V/23.2-25.6V (default: 12.0
／
24.0V
﹜
Overcharge Protect
15.5/31.0V
Max volt on Bat. terminal 35V
Temp. Compensation
-4.17mV/K per cell (Boost, Equalization),
-3.33mV/K per cell (Float)
Battery Type
Gel, AGM, Liquid (default: Gel)
Panel Parameters
Max volt on PV terminal
100V
﹛－
20
℃）
，
90V(25
℃）
Max input power
260/520W
Dusk/Dawn detect volt
8.0/16.0V
MPPT tracking range
(Battery V 1.0V) ~Voc*0.9
Load
Output Current
20A
Work mode
Standard, D2D, Street lamp, User-defined mode
System Parameters
Max tracking efficiency
＞
99.9%
Max charge conversion
98.0%
Dimensions(mm)
189 * 182 * 64
Weight 1.3Kg
Self consumption
≤
8mA(12V);
≤
12mA(24V)
Communication RS485(RJ11
interface)
Grounding Common
Negative
Power terminals
6AWG(16mm
²
)
Ambient temperature
-20 ~ + 55
℃
Storage temperature
-25 ~ + 80
℃
Ambient humidity
0 ~100%RH
Protection degree
IP32
Max Altitude
4000m
*1. Voc means the open circuit voltage of the solar panel.
*2. Around oblique line value separately on behalf of 12V and 24V system's value.
