【Designed for Smart Homes】Engineered specifically for Blink cameras, smart locks, and 1.5V smart devices. Multi-pack options keep ready-to-use spares on hand, ending constant ladder climbs for battery swaps 【Constant 1.5V Output】Delivers a steady 1.5V voltage throughout its entire lifespan, ensuring smart locks drive smoothly and security cameras maintain crisp HD resolution and night vision 【5100mWh High Capacity】Combines 5100mWh high energy density with a steady 1.5V output, outlasting standard alkalines by up to 9x in high-drain devices and eliminating premature low-battery shutoffs 【All-Weather Outdoor Power】Operates flawlessly from -40°F to 140°F, ensuring all outdoor equipment stay fully online through freezing winters and scorching summers 【Leak-Proof Gear Protection】Built with multi-layer safety protection to prevent corrosive leaks, safeguarding your expensive cameras, smart locks, and electronics during long-term use 【10-Year Shelf Life】Retains power for up to 10 years in storage—no maintenance required. Keep spares in a drawer or toolbox with total confidence they will be ready whenever needed BONAI Lithium Batteries AA 12 Pack | 3400mAh 1.5V Double A Battery Ultra Long-Lasting, 10-Year Shelf Life, Leak Proof & Operating Range -40 °F to 140°F for Blink/ Trail Cameras, Smart Locks, Alarms, Toys, Flashlights & High-Tech Devices, etc [Non-Rechargeable]