Introducing the Ultrafire 18650 3000mAh 3.7V Without Protection Board (2PCS) - the perfect addition to your electronic devices. These rechargeable lithium batteries are designed with a continuous discharge current rating of 0.2C according to national standards and 0.5C according to industry standards. This means you can expect a powerful and long-lasting performance from these batteries. But that's not all, these batteries are also certified by CE, FCC, MSDS, and UN38.8, ensuring their safety and quality. However, it's important to note that these batteries should not be reversed when charging or putting into devices, heated, dissembled, or put into fire. Additionally, it's recommended to not mix old and new batteries or different types and capacities of batteries. For optimal performance, it's advised to fully charge the batteries if they have not been used for a long time or if it's their first time being used. And remember, these batteries can only be charged by a Li-ion 18650 rechargeable battery charger. Don't miss out on the convenience and reliability of the Ultrafire 18650 3000mAh 3.7V Without Protection Board (2PCS). Get yours now at our e-commerce store.