SKIL PWR CORE 40 40V 4.0Ah Lithium Battery | Longer Runtime & Durable 40V Power

Power that travels with you

Ditch the gas, keep the power with SKIL PWR CORE 40 lithium. The PWR CORE 40 40V 4.0Ah battery uses patented technology to deliver longer runtime and extend battery life, so you can keep working on DIY projects or professional tasks without frequent recharges.

Each cell is surrounded by temperature management material to stay cooler under load, helping sustain performance across long sessions. The battery is designed to power all SKIL 40V tools, offering a dependable core you can rely on at the job site or in the workshop.

Key advantages at a glance

• 40V 4.0Ah lithium chemistry fuels the power and performance of the PWR CORE 40 system across SKIL tools.
• 25% longer runtime and up to 2x battery life due to per-cell cooling material that helps manage heat.
• One battery, many tools: seamless compatibility with the entire SKIL 40V lineup.
• Green LEDs show charge status at a glance, so you know when it’s time to recharge.
• Shock-resistant design protects the cells and electronics in tough environments.

Real-world usage often means juggling multiple tasks in a single project. This battery's shared 40V system allows you to switch between drills, drivers, lights, and saws without swapping packs. The heat-management approach is designed to help sustain performance through longer sessions, such as building a deck, completing framing, or tackling large renovation tasks.

Practical scenarios and care

• Power a wide range of SKIL 40V tools—from drills to impact drivers—for cohesive on-site performance.
• Carry fewer batteries because a single pack supports many tools in a typical project workflow.
• Use the charge indicators to plan work breaks and ensure you’re ready to finish tasks efficiently.

With SKIL PWR CORE 40, you’re choosing a battery built to be durable and dependable, with a design focused on cooling, visibility, and broad tool compatibility. While results depend on task and usage, many projects benefit from a consistent power source that minimizes interruptions and helps you stay on schedule.