So now, if an enthusiastic vape-nerd tells you about their new 18650 INR battery, you can break down exactly what that means. Similarly, a 14500 battery is both shorter and thinner than an 18650 battery, and a 26650 is much wider but the same length. If you encounter an 18350 battery, you’ll instantly notice that this will be the same thickness as an 18650 battery (18 mm), but much shorter (35 mm vs. So an 18650 battery is 18 mm in diameter and 65 mm tall. The 18 tells you the diameter of the battery in mm, and the 65 tells you the length of the battery, 65 mm. This can be broken into two key parts: 18 and 65. The standard batteries used for vaping are called “18650” batteries. The size is another key characteristic that the name of the battery you buy will convey. They need additional protective circuitry (which is added by a third-party company) to be used in a mod, but they are very limited because the highest current you can safely use them at is shown by the mAh rating (which we’ll cover in more detail later). ICR (lithium-cobalt) batteries are the highest-energy battery chemistry you might use for vaping, but they don’t do as well as the others when it comes to safety. Popular vaping batteries like the Sony VTC 4 and 5, the LG HE2 and the Samsung 25R use INR chemistry. In practice, this means INR batteries offer high current, low operating temperatures and higher capacity than IMR chemistry batteries. INR (Lithium-manganese-nickel) batteries offer many of the benefits of IMR batteries (largely due to the manganese), but add nickel to produce a “hybrid” chemistry battery. This makes them much safer to use for vapers, and they don’t need protective circuitry built in because the design is intrinsically safe. IMR (Lithium-manganese) batteries allow a lot of current to flow without increasing the internal temperature of the battery too much. The specific chemistry of the battery tells you a bit about how it will perform, and a couple of chemistries is worth covering specifically: ![]() ![]() So this means that an IMR battery is a lithium-manganese and an ICR battery is a lithium-cobalt. However, the other letters tell you other materials used in the battery. The “I” means lithium-ion and will be the same for any battery you buy for a vaping device, and the “R” stands for rechargeable. When you buy a vaping battery, it will be identified by a series of letters like “IMR” or “ICR,” and these tell you about the make-up of the battery. The anode for lithium ion batteries is made from carbon/silicon and graphite, but the cathode material differs and gives each battery unique characteristics. The chemistry of a battery tells you what materials it uses, and for most vaping batteries – and most modern batteries in general – lithium characte rises their chemistry. They have two electrodes – a positive one called the cathode and a negative one called the anode – an electrolyte and something to separate the cathode and anode. If your battery runs out when you’re at work and you use an in-built battery mod, you’ll need to recharge, but with an external battery mod you can just bring a spare with you and pop it in.Ĭhoosing your own battery also gives you more freedom to choose a battery that works for you – for example, if you value battery life over performance, you can choose something to suit that rather than being stuck with whatever your mod includes as standard.īatteries all store chemical energy and convert it to electrical energy, which in turn powers your device. This saves you tons of money, and means that upgrading your battery is always an option at any point. Interchangeable with other devices using the same size batteryįirst, and most of all, you can replace the battery when it reaches the end of its life rather than having to replace your whole mod.Internal or External Batteries: Which should you use? While devices with in-built vaping batteries are undoubtedly easier from a user’s perspective, there are a lot of benefits to using vape devices with external batteries. Look for the ring on the body of the battery, and you’ve found the positive end. This is really easy to do: the negative end is always completely flat, and the positive end has a little button on top or a smaller raised terminal, with an inset ring in the body just below it. The most important things to be able to recognize on a vape battery are the positive and negative terminals. For vaping, the most common type of battery is the 18650, but regardless of size, they all have the same basic design and perform the same function. Like any other battery you use in day-to-day life, they have a positive end and a negative end, and current then flows from them when you attach both terminals to a circuit. External vape batteries are simply batteries that don’t come per built-in to your mod.
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