Ubox/Tuya Camera wholesale/OEM/ODM/Customized Manufacturer

What is 21700 battery?

Q: What is 21700 battery?

21700 batteries are 70mm long and 21mm wide. The dimensions of the two types vary greatly, with one being significantly longer than the other. This is because of their different capacities—the larger capacity of the 21700 lithium-ion allows it to be larger in size and have high power.

Are 21700 batteries better than 18650?

21700 batteries are newer and larger than 18650. They offer more capacity and discharge at higher currents. 21700 batteries also have a longer cycle life. However, they are more expensive and may not fit in all devices that use 18650 batteries.

So, what’s the verdict? If you need the extra capacity and discharge current, go with a 21700 battery. If you’re looking to save some money or your device only takes 18650 batteries, stick with the 18650.

Can you charge 21700 batteries in an 18650 charger?

The quick answer is yes, you can charge 21700 batteries in an 18650 charger. However, we recommend using a dedicated 21700 charger whenever possible for the best results.

Does 21700 last longer than 18650?

The simple answer is yes, 21700 batteries typically last longer than 18650 batteries. One of the main reasons that the 18650 lithium-ion battery is less powerful than the 21700 is that they have a lower capacity and energy densities are lower.

This means that they can’t store as much energy as 21700 lithium-ion, which can result in less runtime.

It is important to note that the longevity of a battery depends on a variety of factors, including the frequency of usage, storage, and type of device that uses it. So, while 21700 batteries may typically last longer than 18650 batteries, there are no guarantees.


Best 21700 battery solar camera Recommended:

If you have different opinions and suggestions on our articles, welcome to contact us for further discussion together!

Our email:


Written by Ruibosi Electronic Co., LTD  

Ruibosi Electronic Co., LTD   is a professional manufacturer of 4g wifi Ubox app solar security cameras, tuya smart app 4g wifi solar security cameras, etc.

We are now officially opening global investment channels, and sincerely invite you to join us and become our agent or wholesale partner. We can provide competitive prices, and simultaneously provide you with a full set of product pictures, parameters, videos, product software, and hardware knowledge training, market Marketing training, and other materials to help you learn products as soon as possible, understand products, open up the market, better serve customers and win the market as soon as possible.