How to change the battery on a Shearwater Perdix Dive Computer

Designed to accept any type of AA battery, including alkaline, lithium and rechargeable, the Perdix is always compatible with your next adventure. Shearwater has created the ultimate solution for a problem that every diver faces at least once, if not more, in their careers. Dead batteries in the middle of a vacation can destroy your trip if the battery you need is extremely difficult to find, or if only the manufacturer can change it. The Perdix AI takes every kind of AA size battery. The standard 1.5V alkaline battery, which can be found all around the world, works the best. With numerous kinds of AA batteries, there are important details on each type which makes your decision for your Perdix AI dive computer easier. Alkaline batteries, such as the Duracell, work best with the computer and is recommended by Shearwater because of its availability, inexpensive price and its long duration of diving (approximately 45 hours. Alkaline batteries are prone to leakage when completely discharged. Do not store with discharged alkaline battery installed. The Saft 3.6V LS14500 battery, used by the Shearwater Predator, has a long life (130 hours on medium brightness). However, the Saft is more difficult to find. The best choice for cold water divers is the Photo Lithium 1.5V, They are more expensive, but they run longer in temperatures colder than 8 degrees Celsius (46 degrees Fahrenheit).