AEG SETLL1840S Pack of 2 4Ah 18 Volt Batteries (PRO18V) and Charger Comes in Storage Bag

PRO18V concept: Power all your tools with one battery thanks to PRO18V technology. All AEG PRO18V Lithium batteries are compatible and backward compatible (since 2007) with all tools from the PRO18V range. Equip yourself at your own pace, depending on your jobs and jobs, getting only the bare tools you need. Compact and powerful 4.0Ah HD battery: The 4.0Ah HD battery offers a combination of battery life and power in a compact size, ideal for extended work on the construction site or at home. Thermal overheating protection: This built-in feature helps prevent the tool from overheating, ensuring safe operation and extending its service life. Overload protection for extended longevity: By protecting the motor against overloads, this feature helps to extend battery life and ensure optimal long-term performance. Individual cell management for maximum efficiency: Individual cell management ensures precise control of the charge and discharge of each battery cell, optimizing power and autonomy according to the specific needs of each task. In addition, the LED charge level indicator makes it easy to monitor the remaining charge level, providing increased visibility into the status of the battery during use.