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Help Center12/24V Auto MPPT Solar Charge Controller 40A, High Efficiency PV Charge Controller for RV / Boat / Home Solar System
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12/24V Auto MPPT Solar Charge Controller 40A, Built-in Inverter Communication Port, High Efficiency PV Charge Controller for RV / Boat / Home Solar System
Specifications
Model |
LP-MPJ20 |
LP-MPJ40 |
INPUT | ||
Maximum PV open circuit voltage |
100V (at the lowest temperature) |
|
| 92V (at standard temperature of 25℃) | ||
Minimum PV voltage |
20V/40V/60V/80V |
|
Rated charge current |
20A |
40A |
OUTPUT | ||
System voltage |
12V/24V auto |
|
Rated discharge current |
10A |
20A |
Own consumption |
≤50mA |
|
MPPT highest accuracy |
99% |
|
Maximum charging efficiency |
97% |
|
Charging control mode |
Multi-stage (MPPT, Absorption, Float, Equalization, CV) |
|
Float charge |
13.8V/27.6V |
|
Absorption charge |
14.4V/28.8V |
|
Equalization charge |
14.6V/29.2V |
|
Load disconnection (LVD) |
10.8V/21.6V |
|
Load reconnection (LVR) |
12.6V/25.2V |
|
Load control mode |
Normal, light control, light and timing control, timing control, reverse light control |
|
Light control point voltage |
5V/10V/15V/20V |
|
Battery type |
GEL, SLD, FLD AND USR (default), Lithium batteries customization |
|
OTHER | ||
Human interface |
LCD with backlight, 2 buttons |
|
Cooling mode |
AL alloy heat sink |
|
Wiring |
High current copper terminal ≤16mm2 (3AWG) |
|
Temperature probe |
Build-in |
|
Communication mode |
RS485, RJ45 port |
|
Working temperature range |
-20 ~ +55 ℃ |
|
Storage temperature range |
-30 ~ +80 ℃ |
|
Humidity |
10% - 90% no condensation |
|
Size |
175*120*47mm |
215*145*75mm |
Weight |
0.7kg |
1.57kg |
Note: Please operate at the ambient temperature allowed by the controller. If the ambient temperature exceeds the allowable range of the controller, please derate it | ||
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