The CR2, CR1/3N, CR123A, and EUNICELL Lithium Button Batteries are high-quality lithium-ion batteries manufactured by Eunicell, a trusted brand known for their reliable and long-lasting power sources. These batteries are non-rechargeable and come in a pack size of 100 units, each with a capacity of 1500mAh and a voltage of 3V. Perfect for high-drain applications in the Sound & Vision category, these UK-made batteries have a manufacturer warranty of 1 year and an expiry date of 10+ years, ensuring long-lasting performance and peace of mind.