High-quality alkaline batteries designed for frequent users, offering high power output, high capacity, and reliable constant power. They come in a practical 50 supply box and can be used in extreme temperatures ranging from +60°C to -20°C. These batteries are especially suitable for energy-intensive devices with high power consumption, such as measuring devices, digital cameras, flashlights, MP3 players, handheld games, outdoor sensors, GPS devices, and more.