Sony Konion US18650 VTC4
Sony Konion US18650 VTC4 are high quality 18650 batteries with a flat top. 18650 basically means that the battery measures 18mm in diameter and 650mm in length.
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The battery is the most dangerous component of your electronic cigarette. We strongly invite you to handle batteries with care. This entails, among other things, checking the wrap regularly, using an appropriate charger and using the right batteries for your set-up. Also, when storing and transporting batteries, make sure you use a protective case or silicone skin.