What To Consider When Choosing EV Charging Pile For Home Use?

Home EV charging piles, as a vital infrastructure for electric vehicles (EVs), have become increasingly essential with the rising popularity of EVs. With the surge in popularity of electric vehicles (EVs), the need for convenient and efficient charging solutions has become increasingly evident.

Among the various options available, installing an EV charging pile at home emerges as a practical choice for many EV owners. In this article, we’ll discuss the essential aspects to consider when choosing an EV charging pile for home use, providing a comprehensive guide to aid prospective buyers in making informed decisions.

home ev charging pile

Step 1: Preparation Before Getting a Home EV Charger

When you have the idea of buying a charging pile, budget may be your first consideration, but it will not be the only factor you need to consider. It is equally important to consider the following factors:

1. Confirm the adaptability of your car

Confirming how much power your car can withstand is the first priority. Charging power refers to the maximum power output of the charging pile, in kilowatts (kW). Generally speaking, the higher the charging power, the faster the charging speed, and the more expensive the charging pile will be.

The charging power adapted to different models is different. You should choose a charging pile with adapted power according to your car. The maximum charging power that new energy vehicles can accept is not determined by the power of the pile end, but is limited by the parameters of the on-board charger.

It’s like knowing whether your mobile phone supports fast charging. If your car only supports an input power of 7kW, even if you choose an input power of 22kW, there will be no change in the charging speed.

Understand the type of charging interface of your car. Common models of car charging interfaces include 5Combo model, CHAdeMO model, Tesla model, CCS model, and GB/T 20234 model. Not sure? Snap a photo of your car’s charging port and ask the charging pile manufacturerfor help.

2. Understand the community rules and local regulations in your area

Consider whether your community allows the type of charging pile you plan to install, especially high-power charging piles. 380V power supports the installation of high-power DC or AC home charging piles, while 220V power can only install low-power AC slow charging piles.

Different countries and regions have their own specific charging equipment rated power requirements for the construction of electric vehicle charging facilities. The best way is to call the local government power management department directly for inquiries.

3. Consider the specific installation location of the home EV charging pile

Home charging piles should be installed in a well-ventilated place to avoid direct sunlight and humid environments that affect their service life. If it has to be outdoors, then consider installing a protective cover and ensure that the protection level (IP) of the charging pile is not less than 54.

At the same time, under the premise of convenient parking of the vehicle, think about the length of the charging cable and how you’ll store it. This will not only affect the loss of power but also affect the safety and life of the cable.

When it comes to installation height, generally speaking, 1.2-1.5m (47.24-59.06 inches) is a relatively suitable installation height for charging piles. This height is convenient for plugging and unplugging, and ensures safety.

Avoid installing it above 2 meters to prevent increased resistance and reduced charging speed. If the installation height is too low, it is easy for users to accidentally touch the charging plug, which poses certain safety hazards.

Of course, the convenience of plugging and unplugging cables should also be considered. For example, if it is an SUV or a pickup truck, the installation height of the charging pile should be appropriately increased to easily connect the charging plug.

Make sure that there is enough installation space at the rear of the home EV charging pile, so that it can be well ventilated and does not affect the heat dissipation of the charging pile circuit. You can refer to the space requirements provided in the charging pile product manual to reserve enough space for installation and maintenance.

Step 2: Choose the suitable home EV charging piles

1. Choose the right type of EV charging pile

Choose between AC charging piles and DC charging piles

AC home EV charging piles

AC charging piles, commonly known as “slow charging”. AC charging piles only provide power output and do not directly charge the battery. You need to connect an on-board charger to convert AC power into DC power to charge the on-board battery. AC charging piles mostly use 220V single-phase electricity, which has the lowest requirements for power access and is more suitable for home use. They are mostly installed in community parking lots, and some public parking lots will also be installed, and are used in conjunction with DC fast charging piles.

DC home EV charging piles

DC charging piles, commonly known as “fast charging”, directly enter the vehicle’s power battery to complete charging. DC home EV charging piles generally use 380V three-phase electricity, so they are installed in highway service areas, high-end commercial areas, public parking lots, and collective terminal locations such as buses and logistics vehicles, mainly centralized charging stations.

Choose a charging pile with a suitable installation method

We can choose wall-mounted or column-mounted. It is recommended that new energy vehicle owners choose according to their parking space conditions. Got a wall nearby? Go for the wall mount. No walls? Column type’s your buddy.

2. Choose a smarter home EV charging pile

In addition to the most basic card charging and plug-and-play charging methods, home EV charging piles should also have functions such as timed charging, vehicle wake-up, power adjustment, and charging stop, and support local and mobile app remote control methods. It can receive and quickly respond to the orderly charging instructions issued by the charging operation management platform in real time to achieve orderly charging.

These functions enable the home EV charging pile to avoid safety hazards to the greatest extent, while saving a lot of time and money.

3. Choose a home EV charging pile with high safety

In terms of safety, we must first look at the protection level, which must be at least IP55, and some even reach IP66 and IP67; and see whether it has multiple protections such as lightning protection and leakage protection to protect our own safety.

Secondly, look at the protection of the home EV charging pile for charging safety, whether there is voltage or power protection, and it is best to have intelligent temperature control, so that if the temperature is too high, it will automatically reduce the power or directly cut off the power, which can better protect the battery and extend the service life.


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