Battery - alkaline AA and AAA (1.5V), Entry Alkaline series The pack of 16 Philips LR036A16F / 10 10 + 6 batteries, from the Entry Alkaline series, contains 10 × alkaline AA batteries and 6 × alkaline AAA batteries. Alkaline batteries are many times better and more gentle than conventional zinc-carbon batteries. It will surprise you with its long life of up to 10 years. Key features of Philips LR036A16F / 10 10 + 6 batteriesPhilips LR036A16F / 10 10 + 6 batteries are alkalineThey do not contain any harmful heavy metals such as cadmium, mercury and leadIt retains energy for up to 10 years