This Fujitsu NiMH rechargeable battery pack comes with two AAA batteries, each with a capacity of 900mAh. They are compatible with a wide range of devices and are easy to recharge for reuse. The batteries are made in Japan and feature a chemical composition of NiMH, with a voltage of 1.2V. Ideal for use with sound and vision equipment, battery chargers, and other devices, these Fujitsu batteries are a high-quality choice for anyone in need of reliable power. With a unit type of "Unit" and a unit quantity of two, they offer excellent value for money and are an eco-friendly alternative to disposable batteries.