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USB-C Charging Boards: Small printed circuit boards (PCBs) that manage the charging process for integrated batteries. They handle power input via a USB-C port, regulate the charging current/voltage to protect the battery, and often include basic safety features like overcharge protection. |
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18650/21700 Batteries: Standardized, cylindrical lithium-ion cells that are removable and rechargeable. The numbers refer to their dimensions (18mm x 65mm, 21mm x 70mm). They are the power source for advanced mods, with different models offering trade-offs between capacity (mAh) and maximum discharge current (A). |
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MTL Tanks: Mouth-To-Lung tanks are designed to replicate the tight, restrictive draw of a cigarette. They have smaller airflow holes, higher resistance coils, and a narrower chimney. The focus is on throat hit, flavor concentration, and nicotine delivery efficiency, not cloud production. |
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