[Non-Rechargeable] – Do Not Recharge [High Capacity] – 3500mAh AA lithium batteries for longer runtime in high-drain devices like cameras, controllers, and flashlights. [Works in Any Weather] – Reliable from -40°F to 140°F, perfect for outdoor and security gear. [Leak-Proof Design] – Triple-sealed construction protects your electronics. [20-Year Shelf Life] – Always ready for emergencies and backup power. [Lightweight & Strong] – 37% lighter and 40% more power than alkaline. HW Lithium Batteries AA Size [1.5V, 12-Pack] provide long-lasting power and superior performance for all your devices. With 3500mAh high capacity and constant 1.5V output, these AA lithium batteries are perfect for high-drain electronics such as Blink Outdoor Cameras, Nest Doorbell, gaming controllers, LED flashlights, remote controls, and smart home devices. Built with advanced lithium technology, they deliver 40% more power and are 37% lighter than alkaline batteries, ensuring extended runtime and better efficiency. Designed for extreme conditions, HW AA batteries work reliably from -40°F to 140°F, ideal for outdoor gear and emergency kits. Triple-sealed leak-proof construction protects valuable electronics from damage, while a 20-year shelf life ensures these batteries stay ready for backup power anytime. These non-rechargeable lithium batteries outperform traditional AA batteries in energy-demanding applications, making them the best choice for security systems, personal care devices, toys, and household gadgets. For single-use only, DO NOT recharge. Choose HW double A lithium batteries for dependable, long-lasting energy that keeps your essential devices running without interruption.