Queen Battery QB10440 300mAh - a 3.7V AAA-size Li-ion battery

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10440 size is more known as AAA - it means that the cell is 10mm in diameter and 44mm long. In Lithium world 10440 is a rare size but you can find 3.2V...

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18500 cells share the same 18mm diameter with 18650 cells but are 15mm shorter - their length is 50mm vs 65mm in case of 18650.


QB18500...

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Sanyo UR18650ZK is a low-priced low-drain 18650 Li-ion cell which is made by Sanyo in Nanjing, China. It's one of those cells without any datasheet available...

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Samsung INR18650-30Q is a high capacity 3000mAh Li-ion cell of 18650 size which supports continuous discharge at up to 15A. It's can be called a high...