Mechanical mods are intended for advanced users. Knowledge of the laws of electricity are vital in the safety of the use of our products. Mechanical mods can be dangerous if used irresponsibly or incorrectly. Such use can result in serious injury. J Mark Designs does not endorse any batteries or brand thereof. Choice of battery brand and power rating is solely that of the user. Always use caution when handling, transporting, and using lithium ion batteries. Always make certain the batteries are properly wrapped and insulated. Follow the manufacturer's instructions as to battery use.
Note: A tank /RTA should never be used on a hybrid mod. With use of any atomizer, RTA, or RDA the positive contact should always protrude from the negative housing / connection and be properly insulated. Use of clone or non-authentic devices is considered extremely dangerous.
J Mark Designs is in no way responsible or liable for use error with any such product or device.
Rogue USA Mod / J. Mark Designs 4205 Pheasant Run Drive, Greensboro, NC 27455