LIMELINEN AAA Rechargeable Batteries - Ni-MH (800 mAh / 1.2V), High-Capacity, Pre-Charged, CASE of 640-CountBATTERY SPECIFICATIONS. (640Ct 1. 5V AAA Ni MH Batteries) WIDE APPLICATION. Compatible with a variety of daily devices, such as toys, alarm clocks, smart door locks, wireless mouse, remote controls, flashlights, forehead thermometers, and digital cameras LEAK PROOF DOUBLE SHIELDED technology is adopted to effectively prevent the battery from short circuit and leakage, making it safer to use HIGH DURABILITY. LIMELINEN batteries have 50% longer battery