With 18650, the capacity is only half the story. You need to very carefully select the right cell for the right application. You need to be very careful when using 18650, especially in high powered devices as there is no regulation or consistency around device and cell power limits.
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This article is full of dangerous information. Even though my job lets me see a lot of stupid stuff people do, I’m not exactly the safety nazi you would think a firefighter would be, but these batteries are the real deal when it comes to F-ing shit up when things go wrong charging them. The dry chem extinguisher my wife finally found was the only thing that finally put it out. I’ve been a firefighter for 25yrs, and I have NEVER seen anything that small, burn so hot, so violently, in such a short amount of time, and keep burning after 3 large glasses of water were poured on it. Charged one wrong and almost burnt basement down, and It was in a (supposed) fire proof lipo safety bag, which melted like a paper bag. Got into drone racing/freestyle about 4yrs ago, thought the same thing about lithium ion batteries, “what’s the big deal” got the cheapest lipos I could get and a $20 charger. The non protected flat tops can be pretty dangerous, especially since most people use crap chargers, and even the nicer 18650 chargers are still sub par for charging a lithium ion type battery. There’s a lot of fakes out there, and even the legit ones aren’t all made the same.
Why would paying more than $10 make someone a fool? You could say that buying one for less makes you a fool. The LCD screen tells you the real mAh capacity of your batteries, so you can make sure they are getting the advertised amount of fill or identify when they are losing efficiency. I like the XTAR VC2 charger because it has a informative LCD screen display. That means you will need a reliable charger to keep them energized and in working order. The best part about 18650 batteries is that they can be recharged. They are also less wasteful, meaning they have a longer life cycle and can last for more recharges. High-drain batteries are safer and designed for use with high current devices, such as vaporizers. As a rule, be wary of “protected” 18650 batteries, which have small circuit boards at the bottom that do not fit some electronics, such as flashlights. Chinese knockoffs are available for cheaper, but are prone to shorter lifespans and aren’t always uniform size. Panasonic, Sanyo, Samsung, and LG are the top level 18650 cell manufacturers, making long lasting cells in a standard size (18 mm by 65 mm) that fits all 18650 compatible devices.
What are the advantages of 18650 batteries? They are 3.7 volt lithium-ion batteries that can be recharged and are compatible with a wide range of electronics, including laptops, digital cameras, flashlights, and even electric car batteries. Our recommended 18650 battery charger: XTAR VC2 About 18650 Batteries Kiminors 3.7V 18650 Rechargeable Battery - 3200 mAh.EBL 3.7V Li-ion Rechargeable Batteries - 3000 mAh.These are our recommended 18650 batteries: 18650 batteries are rechargeable cells used to power high performance electronics, such as laser pointers and vaporizers.
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