Introducing the UltraFire 18650 3000mAh 3.7V rechargeable lithium battery with protection board, now available in a convenient pack of 2. This high-performance battery is perfect for all your electronic devices, providing a reliable and long-lasting power source. With a capacity of 3000mAh and a rated voltage of 3.7V, this battery is sure to keep your devices running smoothly.The UltraFire 18650 battery is designed with a protection board to ensure safe and efficient charging. It has a maximum discharge current of 1.8A-3.6A and can withstand more than 500 charge and discharge cycles. Made with high-quality lithium material, this battery is lightweight at only 93g and has dimensions of 69.5*18.8*18.8, making it easy to carry and store.Rest assured that this battery is certified by CE, FCC, MSDS, and UN38.8, meeting all safety standards. The continuous discharge current rating on your BRC 18650 3000mAh 3.7V li-ion batteries is in accordance with national and industry standards, with 0.2C=600mAh and 0.5C=1500mAh. This pack includes 2 UltraFire 18650 batteries, perfect for stocking up or replacing old batteries.Please note the following precautions when using this battery: do not reverse the battery when charging or putting it into devices, do not heat, disassemble, or put the battery into fire, do not mix old and new batteries or different types of batteries, and do not mix different capacities of batteries. For optimal performance, fully charge the battery if it has not been used for a long time or if it is being used for the first time. This battery can only be charged by a Li-ion 18650 rechargeable battery charger.Upgrade your electronic devices with the UltraFire 18650 3000mAh 3.7V rechargeable lithium battery with protection board. Get yours now and experience long-lasting power and reliability.