Litheli Battery Pack 20V, 4.0Ah Replacement Lithium Batteries U20 Power Tools and Outdoor Equipment

【Compatible with Litheli 20 V U20 Series】Featuring a 4.0Ah battery capacity, it can provide robust power for all your Litheli 20 V U20 series tools. 【Versatile Features】It doubles 20,000 mAh with 45 W USB-C PD output, to charge digital devices such as laptops, phones, and drones. 【Durable 21700 EV-Grade Battery Cells】21700 EV-grade battery cells with superior cooling design deliver an extended lifespan. 【Simplified Charging Experience】Say goodbye to traditional chargers. You can now charge the battery more easily via the 45 W USB-C PD port. 【Stable Connection with Tools】Unlike the typical battery with a slide-in interface, it adopts a cylindrical pin design to ensure stable connections with tools and prevent loosening even after prolonged use. 【All-round Battery Protection】The BMS (Battery Management System) provides 8 major battery protections for ultimate safety and reliability. 【Slim and Compact Structure】Innovative product structure with a smaller form factor for convenient usage and portability. 【INFINITY POWER SHARING】To use one battery, for more products, with more functionality, at more scenarios.