What should you consider when buying and choosing a battery charger?

As the main means of transportation for long distance travel, electric vehicle plays an increasingly important role in people’s life. Among all the parts,the importance of the battery charger is self-evident.

The battery charger of electric car is a charging devices specially configured for the electric car. The performance of the charger directly affects the circle life of the lithium-ion battery.

In general, the original battery charger is the best choice when buying a new car, because both the output voltage during charging and the intelligent protection during overcharging are the best match for your car battery.

But in some cases, if you need buy a new battery charger for your electric vehicle, then how to choose the right electric car lithium battery charger is a important question, but don’t worry, this article will give you the answer.

Notes on the use of lithium battery charger for electric vehicle

① The charging voltage and current of the lithium battery charger should be the same as that of the electriccar, and the charger of the 5 batteries can not be used to charge the 4 batteries.

② when charging, pay attention to plug the battery charging port first, and then plug the power plug.

③ When charging, the charger should show a red light on. When it’s fully charged, a green light comes on. Ifthe charging port is properly plugged and the green light is steady on, find out the reason for not charging.

④ If it is not used for a long time, it should be fully charged. Turn off the main switch under the seat and put itindoors or in a cool and dry place.

⑤ Lithium battery charger is strictly forbidden to disassemble and repair without permission, because there isa risk of high voltage and electric shock inside, especially in the case of wet hands.

⑥ Do not use the battery charger near inflammable and explosive gases and inflammable objects

⑦ When charging, the battery charger will emit heat and should be used in a ventilated place as far as possible. It cannot be charged under the seat of the electric vehicle.

⑧ More can not be carried with the car, to prevent long-term turbulence, resulting in damage to the charger

⑨ If the battery charger is found abnormal in the charging process, it should be unplugged immediately and sent to the purchase to find out the reason.

Can electric car lead acid battery and lithium battery charger be common?

At present, lithium battery is the first choice of electric vehicle. After lithium battery is applied to mobile phone and other portable communication tools on a large scale, its quality of environmental protection has been recognized.

At the same time, compared with lead acid battery, lithium battery is lighter, and lead acid battery is heavier and more excellent in performance.So lithium battery replacement lead acid is also a trend.

About general electric car chargers, many people hold different opinions, according to the survey, seventy percent of netizens think electric car charger is universal, and thirty percent of netizens think electric car charger is not universal.

In fact, car battery chargers are theoretically not universal.It works the same way as a phone charger, basically be to see whether the voltage and current is consistent.

Generally the same brand of charger can be more likely to be common. But in the use of the time still need to check whether the voltage and current matching, many users feel that as long as they can plug in the light is universal, in fact, it is easy to damage the battery.

In order to ensure the safety and service life of the lithium battery pack, the lithium battery pack is equipped with a special battery charger for lithium.

If the battery charger is lost or damaged, please contact the dealer to purchase it.Do not use lead acid chargers or other forms of chargers for charging.

Charge level of lithium battery

Different charging conditions have different effects on the battery. There are generally three levels of battery charging: Level 1, Level 2 and Level 3. Generally, this is divided by the voltage at which the battery is charged.

So when buying a battery charger, you should also consider the charging level of the charger. Electric Vehicle battery charger is sometimes called Electric Vehicle Supply Equipment (EVSE).

Each charge level affects the battery differently. The most common type of charging is Level 1, which has a very low charging rate at the same voltage as most American homes, i.e. the electric car can be charged using a household wire.

Most EV manufacturers offer car battery chargers that are compatible not only with Level 1 charging but also with SAE Level 2 charging.

Level 2 charging is the most commonly used because the voltage is the same as that used in most homes and factories internationally.

It is relatively safe to charge the battery using Level 2, which still takes 4-6 hours to recharge. SAE has developed a standard for Level 2 charging connectors.

Level 3 is rapid charging, which often causes the battery to inflate due to battery electrolyte and cathode decomposition reactions. This may cause battery system life to decrease.

Many cars with level 3 charging capability are limited in the number of times they can be charged using level 3 before using Level 2 charging. The idea is to even out the battery and give it time to cool down.

However, some types of lithium-ion batteries are less affected by fast charging than others. Level 3 charging generally uses two types of charging connectors. SAE developed connectors compatible with Level 2 and Level 3.

The rapid charging capacity of battery can be improved by improving battery electrolyte. Many battery manufacturers claim to have improved the cell’s ability to charge quickly by optimizing the electrolytes in the cell.

Another very interesting technology is wireless charging. While this does not require a drastic change in battery design, it does require a secondary coil to be integrated into the battery pack to create an electromagnetic induction zone for wireless charging.

The wireless charging system has no wires and uses an electromagnetic field generated between two coils to charge the battery.

At present, the efficiency of wireless charging system is relatively low, and the energy loss is serious in the charging process. However, as the technology continues to improve, it may be available for market use in the near future.

The above are some considerations when choosing and using a battery charger, and whether the charger can be common. It’s good to know these before using your battery charger and  to keep it safe.