Skil PWRCore 20-Volt 2.0Ah Lithium-Ion Battery with PWRAssist Mobile Charging

More Power for More Projects: The PWRCore 20 2.0Ah Lithium-ion Battery is backed by an innovative temperature management system that results in longer run time and battery life. Each cell is surrounded by revolutionary phase change materials to keep the battery cool and powering through any project. Plus there's a USB port built right into the battery to charge other devices. Use this lithium battery to power up any SKIL 20-Volt power tool.