High Quality Wiliyoung 502030 3.7V 250mAh LiPo Battery offers high energy density, long cycle life (300-500 cycles), and ultra-lightweight design for smartwatches, wearables, and portable electronics. With protection against overcharge, over-discharge, and short circuits, this compact polymer battery ensures reliable performance in a wide operating temperature range (-10°C to +45°C). Customizable capacity, connectors, and PCBs make it ideal for medical devices, IoT sensors, and consumer electronics.More
