Reliable Power. Take the U-Battery Plus with you on your outdoor adventures, camping trips, yard work, DIY projects, or just to the office. The high-quality EV-grade cell is safe for extreme temperatures down to -20℃, providing reliable power in any environment. Powerful Compatibility. The U-Battery Plus boasts a powerful output capacity of up to 45W, making it compatible with a wide range of devices, such as laptops, smartphones, tablets, drones, and more. Double the Convenience. Charge two devices simultaneously with the dual USB-A and two-way USB-C output ports, saving you time and hassle. Versatile Functionality. In addition to charging electronics, the U-Battery Plus is also compatible with Litheli U20 tools. When used to power U20 tools on gardening or DIY projects, the U-Battery Plus streamlines tasks and improves overall efficiency. Ample Power Reserve. With 20,000mAh capacity, the battery provides ample power to recharge your laptop up to 0.8 times, phone up to 1.8 times, and iPad up to 1.2 times, as well as enabling garden tools to sustain a 20-minute work duration. Litheli Battery Pack 20V, 4.0Ah Replacement Lithium Batteries for Litheli U20 Power Tools Outdoor Power Equipment, smartphones laptop etc Adaptable power cord (USB-C to USB-C to USB-A, see photos) Product 6"D x 1"W x 4"H U20 4.0Ah battery 20 Volts