Product descriptions from the supplier High Energy Density: Offers extended runtime for home appliances. Stable Voltage: Ensures consistent power delivery for reliable performance. Wide Temperature Range: Operates efficiently from -20°C to +60°C. Low Self-Discharge: Maintains charge over long periods, reducing waste. Single-Use Design: Easy disposal after use, minimizing environmental impact. About this supplier Shenzhen Everwin Tech Co., Limited is a 20-year battery