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A lithium-ion battery (sometimes Lithium-ion battery or LIB) is a member of a family of rechargeable battery types in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging.

The current maximum capacity of the 18650 battery can reach 3500mAh - 3600mAh.

The highest capacity for an 18650 battery is the NCR18650G which clocks in at 3600mAh. A high capacity cell that is readily available is the 3500mAh LG MJ1.

Avoid if you can. A lot has been written about this topic across social media including result of lab tests. The reality is that you can’t equate real life circumstances to a manufactured test environments.

Currently lithium ion battery mainly comes/makes from China, china should make at least 80% of the total lithium batteries.

This Chinese manufacturer does all kinds of Lithium batteries and is also doing custom builds: BENZO Energy / UFine Technology Co.,Ltd

The materials in all batteries begins in "the environment", and toxicity is generally local to their immediate area (within inches) if improperly disposed.

Lithium batteries contain very chemically active materials, but the primary hazard is flammability. Once the case is breached and the internal materials oxidize, the remaining electrolyte is neutralized quickly.

Lithium batteries are lightweight, offer a high energy density, and they’re very safe when treated correctly. For the sake of this answer I’ll compare them to a couple of other common chemistries.

Lithium battery top ten brands list, this list has collected more than 112 brand information in the lithium battery industry and 59149 netizens vote as a reference, the released brand list is supported by CNPP big data platform data, comprehensive analysis The strength data of the lithium battery industry brand, the number of employees, the scale of the company's assets and the operating conditions, etc., released the data of this list, which is only for users to find a good brand reference. The specific list is subject to the latest update data.

Lithium was discovered in 1817 by the student of the Swedish chemist Bezilius, Alfetson, who named it Lithium. By 1950, Nakamoto and Maggien used the method of electrolytic melting of lithium chloride to obtain metal lithium, and industrial lithium was proposed by Gensa in 1893. Lithium is still produced by electrolytic LiCl. This method consumes a large amount of electric energy, and consumes 6,000 to 70,000 kWh per ton of lithium.

A recent Benzo Energy · UFine Technology report gives us a statistical data that substantiates the growing popularity of Li-ion batteries. It tells us that between 2012 and 2016, the lithium industry’s growth almost doubled from USD 11.7 billion to 22.5 billion. Looking at the current scheme of things, the same report also estimated that in the next five years, the global lithium industry will cross USD 70 billion.

Lithium-ion batteries can be applied to various fields, and therefore, their types are also diverse. According to the shape, there are three main types of lithium ion batteries on the market, namely, button type, square shape and cylindrical shape.