Introducing the UltraFire 18650 1800mAh 3.7V Without Protection Board (2PCS) - the perfect solution for all your electronic devices! This pack includes two high-quality, button top 18650 Li-ion rechargeable batteries, each with a capacity of 1800mAh. With a compact size of 2.63 x 0.73 x 0.73 inches, these batteries are perfect for on-the-go use.Made with advanced Li-ion technology, these batteries have a voltage of 3.7V and a chemistry of Li-ion, ensuring a long-lasting and reliable power source for your devices. Please note that these batteries are not AA or AAA size, so be sure to check if your device is compatible before placing your order.These rechargeable batteries are ideal for a variety of electronic devices such as LED flashlights, headlamps, digital cameras, watches, and toys. With a low discharge rate and no memory effect, you can trust these batteries to provide consistent and efficient power. Plus, they have a high energy density and are pollution-free, making them a sustainable choice.Weighing only 46g, these batteries are lightweight and easy to carry. They have a charging time of approximately 5-7 hours and a maximum discharge current of 4A-5A. The dimensions of each battery are 2.63 inches in length, 0.73 inches in width, and 0.73 inches in height, making them a perfect fit for most devices.Upgrade your electronic devices with the UltraFire 18650 1800mAh 3.7V Without Protection Board (2PCS). Each package includes two 1800mAh 18650 3.7v rechargeable batteries, providing you with a reliable and long-lasting power source. Don't miss out on this innovative and essential product - get yours today!