Tabless lithium cell technology provides 2X power and 4X runtime. COOL-CORE PRO system keeps the battery 25% cooler for longer life. INTELLICELL technology enhances power efficiency and durability. High-visibility LED fuel gauge for easy runtime tracking. For best results, compare the product’s image and listed dimensions to ensure proper fitment. The 18V 4.0 Ah Lithium-Ion HIGH PERFORMANCE EDGE Battery enhances power, runtime, and efficiency with advanced tabless lithium cell technology. It delivers up to 2X more power and 4X longer runtime, maximizing performance in demanding tasks. Featuring the COOL-CORE PRO system with upgraded heat sinks and laser-welded cell straps, it runs 25% cooler and extends battery life by 50%. The robust design includes overmold protection and anti-vibration technology for increased durability. A high-visibility LED fuel gauge displays remaining runtime. Designed for seamless compatibility, it works with all 18V tools and pairs with HP brushless tools for peak performance. Charger sold separately.