【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 【Long-Lasting Power】1.5V high-capacity AA lithium batteries deliver stable performance for blink cameras, flashlights, gaming controllers and more 【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 【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 【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 - Durable Lithium AA batteries - Excellent at extreme temperatures, suitable for all seasons - maintains power storage for up to 20 years - 33% lighter than alkaline batteries (AA) - 100% guaranteed leak proof (based on standard usage) Reasons to choose the most durable lithium iron battery: At our hobby photography events - Power supply -HHHHibe digital cameras and flash are great at our work - stud detectors, laser levels and high power LED lighting for your peace of mind. In our home security devices - up to 20 years of battery backup power for smoke alarms and carbon monoxide detectors. In our smart home devices - extra long standby power for our range motion sensors and door and window tiling devices. Our children's toys - remote control toys, electric toys, item kits, alkaline batteries will never be enough in our favorite games - suitable for high usage/high drainage game controllers such as Wii and Xbox on outdoor vacations - camping gear, GPS units, flashlights, hunting range and lasers