Discover the Ooze Slim Twist Pen 2.0 Battery, equipped with a versatile 2.0-4.0V range, a robust 320mAh inbuilt battery, and a preheat feature for optimal use with denser concentrates. CAUTIONARY GUIDELINES: Always prime your coils and pods adequately before use. For coils with sub-ohm resistance, ensure you're well-versed with the technical knowledge of using mods and batteries suitable for Sub-Ohm coils. Refrain from using short or flat 510 connections on hybrid or similar styled devices. If you're unsure about specific products or configurations, it's best to avoid them. Always practice safety and proper handling. Disclaimer: Rechargeable batteries always come with some inherent risks. NexusSmoke.com and all affiliated entities are not accountable for any damages or modifications to the batteries, chargers, devices, or any products we offer, including battery packs. NexusSmoke.com and its affiliated companies disclaim any responsibility for injuries, damages, or defects, whether permanent or temporary, resulting from the incorrect use of Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer), or any rechargeable battery/batteries and chargers. We urge users to deepen their knowledge about rechargeable batteries and their proper handling. When handling Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer), and other rechargeable cells, exercise caution. These cells can be sensitive to charging and may pose risks if mishandled. Familiarize yourself thoroughly with rechargeable batteries before usage. Always charge batteries on a tidy, fire-resistant surface, and never leave them charging unsupervised. If you notice any visible battery damage, refrain from use. Ensure you keep, store, and transport rechargeable cells safely in non-conductive, controlled environments.