[ LONG-LASTING POWER ] 12-pack, 3500mAh high-capacity lithium batteries aa; each weighs only 15g. The powerful effect is especially noticeable in devices that use a lot of energy [ NO LEAKAGE & EXTREMELY SAFE ] Your device safety is our top concern; the battery includes a professional triple safety leak-proof design to eliminate leakage, ensuring you can use it without any safety concerns [ WITHSTAND EXTREMELY ENVIRONMENT ] Our lithium aa batteries are built to handle extreme temperatures, ensuring reliable and long-lasting performance from -40°F to 140°F [ WIDE APPLICATION ] BONAI aa batteries lithium are ideal for use in a wide range of devices, including both high-tech and low-tech options such as Blink Cameras, Trail Cameras, Handheld Games, LED Flashlights, Emergency Lanterns, Camping Lanterns, LED Candles, Toys, VR Devices, Smoke Alarms, Wireless Mouse and Keyboards, Clocks, Remote controls, etc [ 10-YEAR SHELF LIFE ] With a fresh manufacture date and a 10-year shelf life