20700 vs 21700 - Top 8 comparison points help you choose the best

20700 vs 21700 - Top 8 comparison points help you choose the best

If you are here to see the winner of the battle between 20700 vs 21700 then this review will help you to pick one between them. Through the name, it seems that the comparison is between mere two random numbers that are 20700 vs 21700 but we will throw a detailed light on the features of each battery.

What is a 20700 battery

To discuss the fight between 20700 vs 21700, we first have to know in detail what the 20700 lithium-ion battery is? 20700 lithium-ion battery is specified through the size, diameter, and length. A 20700 battery has the following specs.

Size/diameter: 20mm
Length: 70mm
Usage:
They are used in various sorts of electronic devices and vehicles like skateboards battery, electric scooters battery and hoverboard battery.
20700 vs 21700, both are trendy batteries in the market and having bigger sizes than the Model 18650 battery.

A 20700 battery is a lithium-ion rechargeable battery that is one of the families of lithium iron phosphate, lithium cobalt oxide, and ternary lithium batteries. In other words, 20700 only specifies the battery cell size. According to the different battery materials, 20700 lithium battery may be lithium iron phosphate battery or ternary lithium battery.

What is a 20700 battery

These batteries share one common constituent that is lithium though they vary because of the cycle life. The cycle life of ternary lithium batteries is around 1500 which is less than 2 to 3 times that of lithium iron phosphate batteries. Lithium iron phosphate batteries can last up to 4,000 cycles.

On the other hand, ternary lithium-ion batteries contain a polymer having metals like nickel, cobalt, and manganese along with lithium. One major drawback of ternary lithium-ion batteries is that they are less safe than lithium iron phosphate. One major drawback of ternary lithium-ion batteries is that they are less safe than lithium iron phosphate.

Pros and cons of 20700 battery

Pros of 20700 battery

Although both batteries are useful, to choose between 20700 vs 21700, you need to look at the pros and cons of the batteries as well.
Price
The price of 20700 is less in the market. They are affordable to use over time. The range of 20700 batteries is between 155USD/kWh- 175USD/kWh.

Good performance
Unlike lead-acid batteries, the heavier the better. For lithium ion battery, lesser the weight the better the performance. Under the same specification, lighter weight means higher energy density. It is a lightweight battery that suitable for portable devices with high performance.

The density plays an important role when choosing between 20700 vs 21700. The density of 20700 battery is up to 300 Wh/kg which keep them durable.

Pros and cons of 20700 battery

Cons of a 20700 battery

Size

These 20700 batteries have fixed size and they are not the most common cylindrical batteries, so most of the time it does not fix in the equipment. The problem can only be dealt with by creating devices for this sort of battery. That’s why it is not compatible with all devices.

Less available in market

These batteries are not much available in the market which adds to their downside. So, all these pros and cons can help you to pick a battery when there is a tussle in your mind to choose between 20700 vs 21700.

What kind of battery is 21700

The second product in a tussle between 20700 vs 21700 is a 21700 battery. This is also a rechargeable lithium-ion battery and has multiple uses such as in devices like flashlights and vaping accessories. The specs of 21700 that make it different from 201700 in a comparison of 20700 vs 21700 are as follows:
Size: 21mm
Diameter: 70mm

What kind of battery is 21700

The pros and cons of 21700 battery

Pros of 21700 battery

Physical dimensions
It is cylindrical cell that enhance the density and productivity of the batteries. When capacity is increased to 10% per liter, there is a 20% increase in the life cycle. If you keep on increasing the size then the risk of damage is reduced.

Density
A power density of 21700 can go up to 300 Wh/kg. This aspect is almost the same in the comparison of 20700 vs 21700. The power density of both these batteries is better than 18650 which is 20% more than 18650.

Less price
The pack of 21700 is sold at 155 USD/kWh which is exactly similar to 20700. Here the tug of war of 20700 vs 21700 also ends on a draw. These batteries are less expensive than 18650.

Long-lasting
21700 batteries are long-lasting because of their lightweight. By increasing the battery’s energy density, weight is reduced, and any electronic instrument or vehicle can last long through this.

High capacity
The 21700 has a larger cell, which naturally leads to a larger battery capacity.

Higher manufacturing rates
The rates of manufacture for 21700 lithium-ion batteries are higher. It is because of the higher capacity output.

The pros and cons of 21700 battery

Cons of 21700 battery

Size
The 21700 battery is larger in size than the 20700 battery. Sometimes the size of 21700 also lies on the same grounds as 20700 in the comparison of 20700 vs 21700. However, since 21700 battery is one of the most common cylindrical batteries besides 18650 battery, 21700 battery can be applied to more devices and application scenarios, compared with 20700 battery,

Weight
21700 batteries are heavier than 20700 batteries

The differences between lithium-ion 20700 vs 21700 battery

Following are some specs that manifest clear differences between lithium-ion 20700 vs 21700

Size
The size of both 20700 and 2100 differs negligibly. The Size/diameter of 20700 is 20mm and the length is 70mm. while the size of 21700 is slightly bigger at 21mm and its length is the same as 70mm.

So, 21700 battery is a little bit bigger than 20700 battery. Many people may wonder do bigger batteries have more voltage? As for lithium battery cell, as long as they are made of the same material, there won’t be much difference in voltage. General ternary lithium battery cell voltage is 3.6/3.65/3.7V, lithium iron phosphate battery cell voltage is 3.2V.

Weight
The cell weight of the 21700 battery is 60-69g while the cell weight of 20700 is 60-63g. In this race, the two batteries also stand at equal places. So, again it is a tie between 20700 vs 21700 lithium-ion batteries.

Cell capacity
The cell capacity of lithium-ion 21700 is 3000-4800mAh while the cell capacity of 20700 is about 3100mAh.

The differences between lithium-ion 20700 vs 21700 battery

Application

Applications of both 20700 vs 21700 are vast as they are used in multiple devices and equipment.

The application of 20700 includes:
●Scooters/ medical mobility scooters
●Skateboards
●Battery packs
●Custom projects
●Cordless power tools

The applications of 21700 are no less. They are equally versatile and used in multiple day-to-day appliances such as:
●Flashlights
●Electric bikes
●Cars
●Automobiles
●Vapes
●Electronic cigarettes
●Power tools
●Electric cars and bikes
●Electric Wheelchairs
Lithium golf cart batteries
It is a win-win case in a fight between 20700 vs 21700 because both batteries are used in a myriad of appliances.

Charge/discharge rate
The charge/discharge rate of both batteries is high. This aspect is beneficial in the case of charging but due to excessive discharge rate, it makes them susceptible to heat and damage.

Cost
The price of 20700 is less in the market. The range of 20700 batteries is between 155USD/kWh- 175USD/kWh.
The pack of 21700 is sold at 155 USD/kWh which is exactly like 20700. Here the tug of war of 20700 vs 21700 also ends on a draw.

Performance
Performance-wise the results of 20700 vs 21700 are also quite similar. Here we see a draw between the 20700 vs 21700. The energy densities of both batteries are 20% higher than other contemporary batteries. It enhances the performance of these batteries.

21700 use in the equipment that is part and parcel of our daily lives. As it is present in vehicles and the means of transport, in a deep inspection, 21700 is more common that makes it popular as well.

Does lithium-ion 21700 battery last longer than 18650

The 21700 has a capacity of about 4000 to 600mAh while the 18650 has a capacity of 2600 to 3600mAh. So, it is clear from the stats that 21700 can last longer than 18650.

Does lithium-ion 21700 battery last longer than 18650

How to choose the right lithium 20700 vs 21700 battery

The question of choosing the right battery lies in the working condition. If the batteries seem in a good position without damage or leak, you can pick them up without hesitation. Also, the question of picking between 20700 vs 21700 is under the need of a user. Choose according to different capacity and size requirements

Can I use 20700 batteries instead of 21700

Partially yes, because in power tools and electric vehicles both batteries can use interchangeably. Also, there are certain appliances that also allow 20700 lithium-ion batteries and there are others that have the capacity of 21700. So, that is the case of differences between 20700 vs 21700.

What battery can I use instead of 21700

You can use 20700 instead of 21700 because both the batteries share the same specs with a slight change. Both have almost the same capacity, density, and performance. So, lithium-ion 20700 can be used interchangeably with 21700.

What battery can I use instead of 21700

Conclusion

Now, after emerging from in-depth dive of comparison between 20700 vs 21700, it became tricky to choose between these two batteries when both are excelling in their own merits.

As we have seen that 20700 lithium-ion battery is providing you with quality features that can help the user in running electronic equipment.
On the other hand, 21700 lithium-ion is not in any way behind in the provision of good features.

Leave A Reply

Request A Quote