The SERIES-B DNA 75w mod is fitted with many built-in safety features, including low voltage protection, overcharge protection, and reverse polarity protection. Should, for any reason, the device or battery become excessively hot, stop using it immediately and, if it is safe to do so, remove the battery and allow to cool. Contact our customer service team for further assistance.


  • Never leave a battery to charge unattended.
  • Always charge on a fire-proof surface.
  • Do not use high-amp, high-voltage, or ‘fast charge’ phone USB adapters.
  • Do not carry, or store, IMR 18650 batteries without a protective case. • Never carry, or store, IMR batteries where they can come into contact with other metal objects.


Do not drop, deform, bend, crush, puncture, incinerate, microwave, shred, paint or insert foreign objects into the SERIES-B DNA 75W.

Do not clean the device other than as instructed by JAC Vapour Ltd.

Do not attempt to repair or modify the SERIES-B DNA 75W yourself.

Only ever use the supplied SERIES-B DNA 75W charger as provided by JAC Vapour Ltd. Using an incompatible charger may damage your battery or present a fire-hazard.

Failure to comply will void the warranty supplied with the SERIES-B DNA 75W. Use caution when handling the device.


The coil will become very hot through use, so direct contact with the coil during, or just after, use is to be avoided. Never leave your device unattended while it is charging, or while the coil is still hot.