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General| Model | SMPPT20D |
|---|---|
| Maximum PV Input Current | 20A |
| Rated Battery Voltage | 12V/24V Auto |
| Maximum Charging Current | 20A |
| Type | MPPT |
| Maximum PV Input Power | 260W (12V), 520W (24V) |
| Protection | Reverse Polarity, Over Temperature |
| Operating Temperature | -20℃~+55℃ |
| Cooling | Natural Cooling |
| Communication | Optional |
Details the various functions and features of the MPPT controller.
Explains how MPPT technology optimizes solar panel output.
Describes the different charging stages (Bulk, Absorption, Float).
Details how the controller manages load disconnection based on battery voltage.
Explains how the controller manages high internal temperatures.
Explains how MPPT works with nonlinear solar panels and load impedance.
Guides on selecting and configuring solar panels, considering voltage limits.
Provides guidelines for selecting appropriate cable sizes based on current and voltage drop.
Recommends installing over-current protection devices for solar and battery circuits.
Outlines the step-by-step process for installing the controller.
Details the various screens and information displayed on the LCD.
Details the main information screens displayed on the LCD.
Guides on how to set various operational parameters like voltages and modes.
Explains how to select the correct battery type for optimal charging.
Lists error codes, their causes, and recommended correction methods.
Addresses common operational issues and their solutions.
Lists conditions under which repair charges apply even within the warranty period.
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