Before you get dogged... Jackbox is right. Technically they ARE wide button tops, they make contact + to - when end to end (stacked).He's talking about the CGR18650-CH hybrid cells. They are unprotected and button top. That is the only way you can buy them. They are a almost exactly 65mm in length.
But... there are some 'after market' modded ones for sale here.
MarK73 - The ones with the small buttons and protection circuits are add ons after they leave Panasonic (eg. Orbitronic, Kali's, ShekGB, etc.)
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