Product descriptions from the supplier 3.7V Lithium Ion Battery: Ideal for LED torches and flashlights. 1500mAh Capacity: Provides long-lasting power for your devices. 3.7V Li-ion Battery: Suitable for various consumer electronics applications. 500 Cycles Lifespan: Ensures reliable performance for extended use. Work Temperature: Operates efficiently within -20°C to 60°C range. About this supplier Shenzhen Everwin Tech Co., Limited is a 20-year battery manufacturer specializin