18650 batteries are by far the most common batteries used in vaping right now, and each has its own specifications that will affect the vaping experience. Their name comes directly from traits about the battery.

The 18 in the battery comes from its diameter, which is 18 millimeters. The 650 means that the battery’s length is 650 millimeters.


A Few Things About Best Vape Mod Batteries to Know

18650 batteries use lithium-ions to give them the ability to recharge quickly and repeatedly. They are made of a lithium and carbon combination, primarily because lithium is very reactive and is capable of producing and storing ample amounts of energy within its ionic bonds, hence lithium-ion batteries.

This stored energy lasts incredibly well too – once completely charged, these batteries only lose about 5% of their charge throughout an entire month while going unused. They are also very safe and provide dependable connections. These two reasons are why they are primarily chosen for vaporizers. Vapes can trust that their battery will not start to quickly lose life, or leak dangerous chemicals all over the inside of their precious mod.


As an added bonus, 18650 lithium-ion batteries have no memory effect, which means that vapers can begin recharging their unit even if it is not completely dead. This is great for when vapers are leaving the house, and want to make sure they have all the juice they can before heading out the door. 40% of the batteries in the world are lithium-ion for all of these great reasons, and 18650 types are definitely the most popular. They are not only used in the vaping scene, but also many other technology devices such as computers, cars, solar panels, and tools, etc. They are essentially used in nearly any electronic device one is able to think of.

Most 18650 batteries look very similar and serve the same purpose, so does it even matter which to buy? Yes, the battery that you buy will impact your vaping experience. 18650 batteries have a few variables.

  • Milliamp Hours (mAh) are simple to understand. They express the capacity of the battery. A battery with 3000mAh will outlast one with 2500 mAh.
  • Amperage (A) is a way of measuring the output of power, and in unregulated mods, it can have a big effect on the experience. In more common, regulated mods, the amperage does not have as direct an effect on the vaping experience. Rather, batteries with higher amperage are likely to outlast those with lower amperage in regulated mods.
  • Voltage (V) is another measure of power, but unlike amperage, it is the measure of potential power in a device.

Amperage and Voltage are often confused, but don’t let it stump you. Voltage is the measurement of power within the device, and that power causes the flow of energy. That flow of energy is measured in amps. An easy way to understand this is to compare it to a water pump. The pressure within the pump that pushes the water out is comparable to the voltage, and the resulting flow of water is comparable to amperage.

There is one more thing you should know before buying a battery. Fake 18650s are rampant. People constantly sold batteries with fake specifications advertised and printed on the battery. They are sometimes indistinguishable from the real thing to the naked eye, and there are not many ways to tell them apart other than their terrible performance after it is too late. These fake batteries often times do not contain lithium-ion technology inside them, and do not last nearly as long, nor are they as safe. They are going to come from vendors like DirectVapor, and other trusted sites. When purchasing a 18650 battery, make sure it is from a reputable source. Ways to tell whether or not it is fake is by weighing it. If it weighs less than 40 grams, that is a red flag.





Use special caution when working with Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable cells, as they are very sensitive to charging characteristics and may explode or burn if mishandled. Make sure the user has enough knowledge of Li-Ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable cells in charging, discharging, assembly and storage before use. Always charge in/on a fire-proof surface. Never leave charging batteries unattended. Do not use any rechargeable battery as well as any battery charger if any visible damage is present, as well as if the cell or charger has been stressed through mishandling, accidental or otherwise, even if damage may not be visible. Always store and transport rechargeable cells in a safe, non-conductive container in a controlled environment. Dispose of all battery cells and chargers in accordance to local laws and mandates.

IdealVapor,LLC. Will not be held responsible or liable for any injury, damage, or defect, permanent or temporary that may be caused by the improper use of a Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable battery/batteries. Please have a basic understanding of the batteries you are using and how to care for them properly.

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