Samsung 30Q 3000mAh 18650 Lithium Battery (Dual)Samsung 30Q 3000mAh 18650 Lithium Batteries have a 15A max discharge that can provide higher power for electronic devices. Although Samsung 30Q Batteries are commonly used in vaping devices, it's important to note that they're not manufactured for this and therefore aren't designed for use with vapes. IMPORTANT: Batteries only have a test charge. Ensure that you charge batteries to full capacity before use to avoid long term battery cell issues.