18650 Lithium Battery Specs-mAh and Important Specs

The 18650 is a lithium-ion rechargeable battery. The lithium-ion batteries have revolutionized mobile devices. It's all in it, from our smartphones and cameras to baby monitors, gymnastics, and light bulbs.

A 18650 is a rechargeable battery constructed from lithium ions. Their proper name is “18650 cell”. The 18650 cell has a 3.7V voltage and ranges from 1800mAh to 3500mAh (mili-amp-hours). These exist in two forms; protected and unprotected. We strongly recommend 18650 protected batteries. The total charging time for the 18650 battery is about four hours. Charging time can vary with adapter amperage and voltage, as well as the type of battery.

In general, 18650 cells are rated at 3.6, 3.7, and sometimes 3.65 volts. All of those ratings are mostly the same. It is the overall average voltage during a full discharge. For most 18650s, the overall voltage range is between 2.5 volts and 4.2 volts.

If you don't know anything about 18650 batteries and thinking about getting them for your application, it's necessary to see the battery specification. Renowned and reliable manufacturers have made the battery's specifications available online. You have to verify the battery weight with the manufacturer's specifications when buying 18650 batteries.

Let's have a look at Lithium battery specifications in detail, and the attention needs to be paid:

3.2V 20A Low Temp LiFePO4 Battery Cell -40℃ 3C discharge capacity≥70% Charging temperature：-20~45℃ Discharging temperature: -40~+55℃ pass acupuncture test -40℃ maximum discharge rate：3C

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How many mAh is a 18650 battery?

The 18650 battery mAh level is typically between approximately 2,300 mAh and a maximum of 3,600 mAh. As a higher milliamp level signifies a longer run time and higher capacity, this even means a 3500 mAh 18650 battery will take quite long for charging as compared to a 2300 mAh battery.

What is a 18650 specification battery?

This rechargeable lithium-ion battery has "18650 cells" as its proper name. There are two types of 18650 batteries - protected and unprotected. The 18650 batteries Protected come with an electronic circuit. The circuit is in the cell packaging or battery case. The purpose of the circuit is to protect the battery cell from problems such as over-discharge, over-charge, short-circuit and over-current. It is essential to learn about their requirements before you buy a 18650 battery for your application. It will help you to know if the battery is fit for use in your application. Here, we will list the battery specifications in detail:

● Size

In 18650, the 18 suggested diameter of 18 mm in 18 lithium-ion rechargeable batteries, while 65 suggested a length of 65 mm in 1865. However, "18.4 mm in diameter and 65 mm in high" are the standard dimension for these batteries. This lithium-ion cylindrical battery follows the general terminology and standards for each battery.

●Capacity

Another important feature of 18650 batteries is "capacity" and is calculated in mAh or milliamp hours. Those battery types come with a capacity of 1200mAH-3600mAh. Besides that, the capacity is supported by vape box mods, including mech and regulated box mods.

In addition to capacity, there's another remarkable 18650 battery specification, and it's maximum continuous discharge and measured in A or amperes. The important thing to note is that high capacity batteries have low continuous maximum discharge. High-amp batteries are, therefore, of low power. In general, for 18650 batteries, the highest-capacity is ~3500mAh, and the highest-amp is 30A.

Low Temperature High Energy Density Rugged Laptop Polymer Battery Battery specification: 11.1V 7800mAh -40℃ 0.2C discharge capacity ≥80% Dustproof, resistance to dropping, anti - corrosion, anti - electromagnetic interference

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● Voltage

The 18650 batteries are commonly rated as 3.6, 3.7, and 3.55 volts. The ratings are very similar. The full range of voltage is between 2,5 and 4,2 volts for these batteries. Furthermore, you should also avoid going down to less than 3 volts.

It can lead to heat, heat explosion, or fire if you go down and up while charging or discharging the battery. These are small things that you have to consider using the battery. Otherwise, you and your appliance may suffer from a catastrophic situation.

●Shape

Slim, flat sheets of metal with the cathodes and anodes are piled up and then rolled tightly like a jelly roll together. Lithium ions in the charging mode pass in one direction between these layers. In discharge, these lithium ions move in the opposite direction between these layers.

●Weight

An average and credible 18650 battery usually weigh 45g. The real ones do not weigh under 42g. Some genuine 18650 batteries weigh more than 50 g, however. Thankfully, battery weight is told by good brands or manufacturers.

These are important 18650 battery specifications, which you should know before you buy online or offline.

What 18650 lithium battery specs do you need to pay attention to?

When purchasing 18650 batteries, you must always pay attention to the" weight of the battery" because fake batteries can damage your devices. While purchasing, don't focus on the design of the battery, always check its weight and quality. Don't spare a few cents when it comes to buying 18650 cells that can cause severe explosions or even accidental injuries promptly.

Not paying attention on battery specs may lead to such causes:-

• The 18650 cell plays a crucial role in the gadgets we use daily, i.e., laptops, electric vehicles, smart devices, appliances, and more. So you must be careful and get a detailed description before purchasing the 18650 battery, which can protect your gadgets.

• Always ignore purchasing third party batteries to save a few cents. As these are not that so genuinely reliable and quality cells like the original ones you were using earlier.
  

• The weight of a battery matters a lot as fake batteries can deteriorate early or won't charge fully. Always get authorized 18650 cells.
  

Conclusion

Lithium-ion batteries have become gasoline in today's world. As gadgets that are used daily, all consist of 18650 batteries. The 18650 battery has many essential specs such as size, voltage, capacity, etc. Keep in mind that while purchasing 18650 batteries, third-party batteries can deteriorate and make your gadget useless.  You should always check the weight of the battery. The weight is a crucial factor in determining whether the battery is genuine or not. Just cross-check the battery's weights with the manufacturer’s specification and most battery manufacturers have mentioned battery specifications on platforms like Facebook.