This top quality lithium ion battery is engineered to evenly distribute, power and connect your batteries and cartridges as well as attachments to work in unison for an incredible vaping experience. Employing PCB safety and microchip sensors for maximum protection, the Atmos Optimus Replacement Battery also integrates activation and lock safety regulator. Included with the battery is the Top Fill Optimus Cartridge for thicker oils, a wickless Optimus Cartridge and 510 Cartridge. At a great affordable price, you won’t want to miss out on the Atmos Optimum Replacement Battery. Get one today!