18650 batteries can have anywhere from 300 to 500 charging cycles, which is insane! It usually takes about 3 hours to charge a 18650 lithium-ion battery fully. These batteries are not only used in flashlights, but also in: power tools, electric vehicles, vaporizers, cameras, laptops, and more! A High Drain battery basically means the battery gives out a larger amount of current than regular batteries. They get their name from their size: 18mm by 65mm. 18650 batteries are lithium-ion batteries. Have you heard of 18650 batteries? I stumbled upon and learned they use a specific battery in many of their lights. Needless to say, that has caused much safer batteries to be produced. Can you overcharge a lithium ion (Li-ion) battery? Yes! I do not know if you guys remember, but a few years back in 2016, there was a period of time when Samsung Galaxy Note7 phones were exploding! They were exploding because of a defect in the phones tied to the lithium ion batteries. Can you over charge a lithium battery? No, you cannot because they are not rechargeable. In the midst of my online search, I learned that lithium batteries are not rechargeable, but lithium-ion (Li-ion) batteries are rechargeable. Which, if you think about it, lithium ion batteries are still relatively new and evolving each year. Lithium-ion batteries were first invented by an Exxon chemist called M. Crazy right? Not only that, but there are rechargeable and non-rechargeable versions. These batteries help power a wide variety of products from cell phones to Hybrid Vehicles. Did you know there are several different varieties of Lithium ion batteries? For example, Lithium-Manganese Oxide, Lithium-Nickel Manganese Cobalt Oxide, Lithium-Iron Phosphate, Lithium-Titanate, and Lithium-Cobalt Oxide.
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