Available in packs of 20, Varta Industrial D LR20 batteries are designed for those electrical devices which are in use regularly and require a lot of powerCommonly used in warehouses and public offices, the batteries have a lengthy lifespan but are reasonably priced and can be used in everything from torches and hand-held devices to home stereo products and even industrial equipment. As you would expect from a German engineering company, Varta takes great pride in its products and ensures they are manufactured to the highest possible standards with hermetic sealing to prevent leakage. D LR20 batteries use an alkaline chemistry and have a voltage of 1. 5, making them the perfect choice for people and companies that wish to get maximum performance without busting their budget. .