BatPower 4.0Ah 20V Battery 21700 Cell Replacement Compatible with DeWALT 20 Volt MAX XR Lithium-Ion Cordless Tools, High Performance Slim Compact

Compact Power Without the Bulk: BatPower 4.0Ah Slim-Profile 20V Replacement BatteryThe BatPower 4.0Ah Slim-Series lithium-ion battery is engineered for users who demand high runtime without the weight of a standard "double-stack" battery. Utilizing advanced high-density cell technology, this pack delivers the power of a 4.0Ah battery in a lightweight, single-layer design. It is the ultimate choice for overhead drilling, precision fastening, and any task where minimizing tool weight is critical for performance and comfort.Slim Design & High-Performance Output:4.0Ah High-Density Capacity: Provides 72Wh of fade-free power, delivering significantly more runtime than 1.5Ah or 2.0Ah batteries while maintaining a compact "Slim" footprint.Single-Layer Portability: The thinner profile keeps your tool balanced and reduces user fatigue during extended use in tight spaces or overhead applications.Broad XR Compatibility: Precision-designed to be 100% compatible with the DeWALT 20V MAX XR system, replacing models DCB240, DCB230, DCB203, and DCB201.Advanced Intelligence & Smart Safety:Equipped with an Integrated Smart-Chip BMS (Battery Management System), this battery protects against over-charging, over-heating, over-voltage, and short-circuiting. The advanced protection circuitry ensures stable power delivery and 100% safety for both the user and the tool.Ergonomic Jobsite Features:Integrated LED Fuel Gauge: Features a built-in 3-LED power indicator so you can check your remaining runtime at the touch of a button.Secure Latching Mechanism: Precision-molded for a tight, wobble-free connection in all compatible 20V tools and original chargers (DCB112, DCB115, DCB118).Durable Construction: Built with a robust, impact-resistant outer shell and a non-marring overmolded base to protect your work surfaces.What's in the Box: 1 x BatPower 4.0Ah Slim 20V Lithium-Ion Replacement Battery; 1 x User Manual. (Please note: This is a high-quality replacement product, not an original OEM part. Charger is not included.)

[4.0Ah Compact Runtime Upgrade] Double the runtime of standard 2.0Ah packs while maintaining a lightweight, single-row "Slim" profile. Ideal for users who need extended power without the bulk of traditional high-capacity batteries. [Full 20V MAX System Compatibility] 100% compatible with the entire DeWALT 20V MAX, XR, and Atomic brushless tool lines. Perfectly replaces DCB240, DCB230, and provides a significant power upgrade for DCB203 and DCB201 users. [Advanced 21700 Cell Technology] Utilizes premium high-density 21700 lithium cells for superior thermal management and higher current discharge; prevents tool "stalling" during heavy-duty cuts and increases total battery lifespan. [Reduced Tool Fatigue] Designed for overhead drilling and all-day use, this compact 4.0Ah pack keeps your tools maneuverable in tight spaces while delivering the current needed for high-torque impact drivers and drills. 【BatPower Professional After-Sales】We offer 2-year warranty, 30-day free return & 7×24h technical support for this 1-Pack 20V battery; dedicated to providing reliable power solutions for professional users, buy with confidence.