Two-piece pack of Philips Power Alkaline Batteries AAA: Alkaline technology is perfect for gadgets that use a lot of energy. Alkaline batteries outperform typical zinc carbon batteries by a factor of 6. The battery can be used for up to five years without losing its quality. Philips alkaline batteries have no lead, mercury, or cadmium. Type of battery: AAA/LR03 Alkaline 1.5 V is the battery voltage. Keep them going for a long time.