20
V1.7
SKU AKPSR-MPPT_01
NAME
20A MPPT Solar Charge Controller /
Regulator
System Nominal Voltage 12/24VDC (auto detect except for lithium)
Rated Charge Current 20A
Rated Discharge Current 20A
Battery Voltage Range 8~32V
Max PV Open Circuit Voltage @25°C
Standard Test Conditions
46V
MPP Voltage Range Battery Voltage +2V ~ 36V
Rated Charge Power (12V System) 260W
Rated Charge Power (24V System) 520W
Maximum Solar Input (12V System) 390W
Maximum Solar Input (24V System) 780W
Max Conversion Efficiency 98.3%
Efficiency at full load 96.7%
Self-consumption (12V System) ≤14mA
Self-consumption (24V System) ≤15mA
Discharge Circuit Voltage Drop ≤0.23V
Temperature Compensation
Coefficient*
-3mV/°C/2V
*Temperature Compensation for lithium NO
Load Circuit Manual on/off + programmable settings
Selectable 12/24V Battery Types
Sealed, Gel, Flooded, LiFePO4,
Li(NiCoMn)O2, User Adjustable
Grounding Common negative
RS485 Interface 5VDC/200mA (RJ45)
LCD Backlight time 60 seconds
Working Temperature (100% input/
output)
-25°C ~ +50°C
Relative Humidity ≤95% non-condensing
IP Rating IP33 Dust and Water Resistant
Dimensions 217 x 158 x 56.5 mm
Weight 0.96kg
Mounting Hole Spacing 160 x 149 mm
Mounting Hole Dimensions 5mm diameter
Wire Terminal Type and Size Screw Terminals, Up to 6AWG (16mm2)
Wire Type
100mm length Double Insulated XLPO
6mm2
Plug Type Quick connect plugs
15. SPECIFICATIONS