HIGH CAPACITY: KP Original Li-Ion 18650 battery pack offers a robust 4000mAh capacity at 3.7V for long-lasting power. VERSATILE COMPATIBILITY: Suitable for a wide range of applications including robotics, drones, GPS devices, MP4 players, tablets, and industrial equipment. JST-XH 2.54/2P CONNECTOR: Equipped with a standard JST-XH 2.54/2P plug connector for easy and secure connections in DIY and professional projects. RECHARGEABLE LITHIUM-ION TECHNOLOGY: Built with reliable 18650 Li-Ion cells, this battery pack supports multiple recharge cycles for extended use. PACK CONTENTS: Includes 1 rechargeable battery pack, ideal for powering a variety of electronic and DIY project work applications. PLEASE CHECK BATTERY CONNECTOR BEFORE BUYING THIS, ITS JST-XH 2.54/2P Plug Connector