21700 Lifepo4 3.2V 3000mah LFP Rechargeable Battery cell For ...

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Lithium batteries were first introduced by SONY. Li-ion is popular in the market due to its high energy density and recyclability. Furthermore, it has greatly promoted the process of human electronic information age.

Due to above reason, lithium ion was chosen as a breakthrough technology of the 20th century.

The performance of lithium-ion safety and fast charging is recited in many electrical appliances.

A comparison of the Li-ion battery with the Li-ion battery. There is also a heated debate. Why was the that Tesla initially used in electric vehicles replaced by the ? What are the advantages of the ? And what are the main application areas of ? Etc…

Here is article will take you to know more.

Let’s go to the topic.

What is battery?

A “ battery” is short-hand for a rechargeable, lithium ion battery that is 21 mm in diameter and 70 mm in length.

This size cell first became popular in electric cars like Tesla and electric scooters.

For now, It is also often used in vaping and flashlights.

What is the advantages of cells?

About Tesla Model 3, since Tesla’s batteries were changed from cells to cells, many people have wondered what magic does have?

Let’s dive on agin.

There are three unique advantage you need know.

Higher total cell capacity.

The battery capacity (measured in milliamp-hours or mAh) of cells is limited to a maximum of around mAh because of its size.

However, the battery is able to reach a maximum capacity of mAh – a 42% increase.

For flashlight or e-cigarette users, that means up to 142% of the previous run time on a single charge, which is invaluable for heavy users. And since they’re still less than 1″ in diameter, flashlights using these batteries can still fit in standard 1″ weapon mounts and holsters!

Lower cost per wh

According to Tesla’s disclosed official information, The lithium battery system costs $155 / kwh ,but the lithium battery system costs $171/ kwh.

So, the cost of the battery system can be reduced by about 9%, if 21,700 cells are installed on Tesla Model 3.

In fact, we caculate that needs more raw materials to reach a battery pack of the same capacity, which is also the reason for the higher cost.

For example, a battery with a capacity of 100Ah can be composed of 20units mah cells, but if using battery, it needs to consume 30units mah cells.

Higher battery energy density

According to Tesla’s official disclosures.

The energy density of the battery is close to 300wh/kg.
The energy density of the only can only reach 250wh/kg.

In comparison, the energy density of the battery is nearly 20% higher than that of the .

How to make cells?

Below is the brief procedure of the the lithium battery cells production. If you want to get more detailed production process of lithium cells, please read article 《What is the production process of the lithium battery cells?.

• 1 Step: Mixing
• 2 Step: Coating
• 3 Step: Pressing
• 4 Step: Slitting
• 5 Step: Tab forming
• 6 Step: Winding
• 7 Step: Vacuum baking
• 8 Step: Tab welding
• 9 Step: Packaging
• 10 Step: Leak test
• 11 Step: Electrolyte injection
• 12 Step: Formation
• 13 Step: Aging

How many types of cells in the market?

There are main four model are common in the market,

The typical application of cells

Car

Tesla are using Panasonic mah cell for their Tesla model 3 car.

Flashlight

 Fenix is a company who produce personal lighting products. Their PD36R Flashlight are specially use cells. Just as they clarify, when they change cell to cells, the duration time per battery is greatly improved.

Vaping (E-cigarette)

Electronic cigarettes are not sensitive to cost relatively. Ofcourse, some people are willing to buy vaping that can be used for 142% long time.

Who produce cells?

There are three famous producers all over the world, LG, Samsung, and Panasonic.

SINC(ar,pl,de) contains other products and information you need, so please check it out.

Also you can connect ELB team to have a consultation. This is the link of become a distributor.

ELB Energy Group is the leading supplier and manufacturers of lithium ion batteries situated in China, ELB can provide a market proved cells all over the world.

What is battery?

A “ battery” is short-hand for a rechargeable, lithium ion battery that is 18 mm in diameter and 65 mm in length.

Due to their superior capacity and discharge rate, they are commonly used in flashlights, laptops, scooters, and high-power-consuming devices.

Tesla Model S are use cells also.

This size cell first became popular in electric cars like Tesla and electric scooters.

The advantages of cells?

When the was originally designed, it is still enduring even now. Many tricycles, scooters, consumer products still use cells, here is three unique advantage that you may interested.

Better heat dissipation performance

The following picture shows the internal structure of and . Through comparison, it is found that the winding length and thickness of are much larger than that of . When the battery is working, have a better heat dissipatetion performance.

High cost performance & Adequate supply

In , Sony launch cells.

In , Tesla and Panasonic was jointly launch cells.

The market expansion of cells has been going on for 20 years, while, the market expansion of cells has only been five years.

In the market, there are more than 50 manufacturers producing cells, while fewer than 10 manufacturers producing cells.

It also leads to the fact that the batteries on the market have always been in sufficient supply and at affordable prices.

How to make cells?

Th production process are basically the same between cells and cells. Only the “winding” procedure will have a slight difference. The is fatter and requires more turns. The is slimmer and requires fewer turns.

If you want to get more detailed production process of lithium cells, please read article 《What is the production process of the lithium battery cells?.

How many types of cells are there?

Here is the typical cell model in the market, the capacity are from 2Ah to 3.5Ah.

Also the cycles times are have difference because the production process is different, the cycle life is also different, the lifespan of NCM cells are roughly 300- times.

The IFR is made of LFP material(Lithium iron phosphate material), and the cycle life can reach more than 3,500 times. For detail parameter, you can check the introduction about the cylindrical cells.

The typical application of cells

• Electric car
• Electric bicycle
• Emergency power light
• Consumer electronics products
• Power tools

Who produce cells?

Same as the cells, there are three famous producers all over the world, LG, Samsung, and Panasonic.

Also you can connect ELB team to have a consultation. This is the link of become a distributor.

ELB Energy Group is the leading supplier and manufacturers of lithium ion batteries situated in China, ELB can provide a market proved cells all over the world.

Which one is better for your application? or battery?

After the above comprehensive comparison, I believe that you already knows the advantages/disadvantages of and batteries.

For small batch customers, because the number of manufacturers on the market far exceeds manufacturers, in order to facilitate more manufacturers to try, Ofcourse, is the first choice.

If high energy density and compact design space are required, we recommend the .

For your battery design, do you have enough battery space? Under the same battery capacity, what is the cost difference between design and design? Welcome to leave a message below, or directly consult the ELB team to obtain quotations and solutions.

Related article

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2. Related article 《 vs Battery, What Is The Difference?》

3. Related article 《 Battery Vs AA Battery: Comprehensive Comparison Guide》

4. Related article 《How Do Lithium Ion Batteries Work?》

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