This 21700 5000mAh high-capacity high-temperature mining battery is specially designed for harsh working conditions such as mines and oil drilling platforms, featuring excellent high-temperature discharge performance and explosion-proof safety characteristics. With a nominal voltage of 12.6V and a nominal capacity of 5000mAh, the battery has a wide charging and discharging temperature range and stable and reliable structure. It is suitable for mining equipment, explosion-proof devices and oil drilling platform monitoring systems, providing stable, long-lasting and safe power supply for equipment in high-temperature harsh environments.