That’s right. We offer 1100 mAh power supplies for your vape cartridges. That is 2 to 3 times more juice than what our competitors are selling you, and we sell at a better price! Standard USB charger is included. These pens have a lock function, 5 clicks to unlock or lock when you have finished enjoying your cartridge. These utilize standard 510 threads so you may use them for all kinds of cartridges, as long as they utilize the same 510 thread pattern.