Power your small electronic devices with these reliable AAAA 1.5V alkaline batteries. Designed for high performance in compact gadgets, they are ideal for laser pointer pens, stylus pens, small flashlights, medical instruments, and other precision electronics that require AAAA cells. Each battery features a raised positive and flat negative terminal, with an IEC code of LR61 and NEDA code 25A, ensuring broad compatibility with devices that specify these standards. With an external diameter of 8.3mm and height of 42.5mm, they fit securely in equipment designed for AAAA size batteries. The alkaline technology delivers consistent, dependable power and long shelf life, making them a cost-effective choice for both home and professional use. Supplied in a convenient blister pack of 4, these lightweight 9g batteries are easy to store, carry, and replace whenever you need a fresh source of power. Contents: batteries only.