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EC-D122: How to use driving charging, reverse charging, and solar energy?

2025-10-27

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                                            1、 Driving Charging: Pay Attention to the Recharging Needs of Daily Batteries

Driving charging is used to replenish the power of daily batteries when the vehicle's power supply conditions permit. When selecting and installing, the requirements of the vehicle power supply terminal, domestic battery, and charger should be checked simultaneously.
The fact that the vehicle is in motion does not mean that the charger will charge at its nominal power under any conditions. The actual operation is also related to power supply, battery status, equipment settings, and protection conditions,
When making judgments, it is necessary to combine the device display with the corresponding manual.



                                        2、 Reverse power supply: first clarify the target and boundary

Reverse charging is used to use the energy from the domestic battery side to start battery charging when the equipment and system conditions are met. Before use, it is necessary to confirm the applicable charging requirements for the starting battery,
And whether the living battery meets the power supply conditions. Reverse power supply cannot be directly understood as an emergency start function, nor can it be judged solely based on the word "bidirectional" that the rated capacity of the two directions is exactly the same.
Whether it supports the required use should be confirmed according to the specific model information.



                                            3、 Solar MPPT: Check the component information first

When planning to integrate solar energy, component nameplates, quantities, and connection schemes should be provided, and technical personnel should verify whether they match the input requirements of the equipment.
It cannot be directly connected based solely on the nominal power of the solar panel. The charging performance will be affected by factors such as sunlight, obstruction, and system operation status. The rated value of the product in the information cannot be used as
Actual power generation or charging commitments for each time period.



                                             4、 Distinguish between 'power supply method' and 'control'

Driving charging, reverse charging, and solar energy describe different purposes for recharging; The options of intelligent and manual involve how the device controls its operation. Two sets of concepts should not be understood together.
The switching mode, IGN signal requirements, automatic recovery, and whether different inputs can be used simultaneously should be based on the corresponding model and software version instructions. Do not rely on operation videos of other models
Or infer the current device rules from interface screenshots.



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                                           5、 Check three pieces of information before use

Firstly, confirm the complete model and style of the equipment; Secondly, find the applicable wiring diagram and instruction manual; Thirdly, confirm the start, exit, and protection conditions of the required mode. If the data and device interface are inconsistent,
First, provide the model, interface photos, and current wiring situation for technical personnel to assist in judgment. This article is used to explain the concept of functionality. Please use the corresponding version of official documentation for specific terminal connections and operating procedures.



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