The Lithium-Ion Polymer Battery 3.7V 5000mAh is a high-capacity rechargeable power source designed for portable electronics, robotics, IoT systems, embedded devices, and battery-powered projects requiring extended operating time. Utilizing lithium-polymer technology, the battery delivers a nominal voltage of 3.7V, reaching 4.2V when fully charged and operating safely down to 3.0V through its integrated protection circuitry. It comes pre-attached with a genuine 2-pin JST-PH connector for quick and convenient integration into compatible devices. Built-in protection safeguards against overcharging, over-discharging, and short circuits, ensuring reliable and safe operation.