The Skil BY519702 20V PWRCore20 Lithium 2.0Ah Battery with PWRAssist Mobile Charging is a high-quality power tool accessory designed for use with various grinders and power tools. With its lithium-ion battery technology and 20-volt power source, this battery provides reliable and long-lasting performance for your tools. The included 2.0Ah battery capacity ensures that you have enough power to get through your projects without running out of juice. The sleek black design and easy-to-use PWRAssist mobile charging feature make this battery a convenient and efficient choice for your home and workshop needs. # C 3