VARTA's ULTRA Lithium assortment fulfills highest quality and performance demands in all areas of modern life. The perfect solution for energy-intensive fields of application like digital cameras, walkie talkies and smoke detectors. Lithium batteries also work exceptionally well under extreme conditions. VARTA ULTRA Lithium batteries master extremely low temperatures. High-tech devices are supplied with maximum performance and endurance. Up to 38% reduced weight in comparison to alkaline: perfect for sport and outdoor usage. Battery Size: AA. Pack Size: 4. Voltage 1.5v.