The Squid Industries TAC21 is virtually the big brother of the popular Double Barrel battery carrier. Unlike the Double Barrel, you can use 2x 21700, 20700 or 18650 batteries in the TAC21 (batteries not included). This can be used in watt mode to get a power up to 200W. Of course the Squid Industries TAC21 has all the important protection circuits, e.g. reverse polarity protection, overheating protection, short circuit protection.
The shape of the TAC21 is reminiscent of a double-barreled shotgun. At the top there is a spring-loaded 510 connection. In contrast to the Double Barrel, the Squid Industries TAC21 can use atomizer with a diameter of max. 28mm without overhang. The display is located at the top of the battery carrier and informs the vaper about everything important.
As with the Double Barrel, the TAC21 also makes all adjustments using the rotary switch, which is located on the narrow front of the battery carrier. By turning the button, the power can be set in 1W increments, you can also switch by 3x the direction of the display switch and by clicking 4 times the button lock, so you do not unintentionally adjust the performance. Thanks to its simple ergonomics, the Squid Industries TAC21 fits perfectly in the hand despite its size.
Since the TAC21 does not have a microUSB connector, an external charger is required to charge the two batteries.