【Long-Lasting Power】1.5V high-capacity AA lithium batteries deliver stable performance for blink cameras, flashlights, gaming controllers and more 【Safety Comes First】Featuring 3-layer protection of leak-proof, explosion-proof valve, short-circuit protection, making them the best choice for high-end electronics 【20-Year Shelf Life】With up to 20 years of shelf life and less than 1%/year self-discharge rate, Bevigor double a lithium batteries are always ready whenever needed 【Steady 1.5V Output】1.5V lithium AA battery maintains full voltage nearly to the end for steady performance, unlike alkalines that gradually lose power 【Works from -40°F to 140°F】Designed to accomodate wide temperature range, ideal for outdoor security, trail cameras and more 【42% Lighter, More Comfortable】15g each cell, nearly half the weight of alkaline (26g), reducing hand fatigue in handheld devices 【100% Satisfaction Is Our Goal】Bevigor stands behind its product and we value your satisfaction. Any issue you may encounter, please feel free to reach out to us