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Compatible with 40V Max XGT® tools
Recharges in 45 minutes
34% More Compact than a 40V max XGT® 5.0Ah Battery
Battery charge level with 4 bright green L.E.D. indicators allows the user to clearly see charge level
XGT® batteries features an advanced design impact-resistant outer case and shock-absorbing inner-liner engineered to protect the battery in harsh jobsite environments
The digital communication within XGT® optimizes performance to provide up to 2X longer sustained power under heavy-load applications
XGT® Tools and Batteries are designed with a multi-layer contact interface for more constant power delivery to take on high-current demands
The digital communication within XGT® actively monitors and protects against overload, over-discharge and overheating
XGT® Batteries feature rigid rails with impact-resistant construction to secure the battery to the tool during high-demand applications
Enhanced cooling system is engineered to maximize battery life
The Makita 40V max XGT® 4.0Ah High Output Power Battery (BL4040F) delivers up to 35% more power than the standard 4.0Ah XGT® battery—making it ideal for heavy-duty applications that demand longer runtimes and consistent performance. Despite its higher output, it’s 34% more compact than the 5.0Ah version and runs up to 32% cooler, helping extend the battery’s lifespan under tough conditions. It fully charges in just 45 minutes and includes four bright LED indicators for quick, easy charge checks. Built for jobsite durability, this power tool battery pack features an impact-resistant outer shell and shock-absorbing inner liner. The XGT® digital communication system ensures optimized performance, delivering up to 2X longer sustained power for high-demand tasks. With a multi-layer contact interface and rigid rails, it stays securely connected even during the most intense use, while the advanced cooling system keeps everything running efficiently.
