Erbauer Li-ion Battery 4Ah EXT 18V With Charge Indicator Keep Cool Technology

Erbauer build the power tools you can trust to deliver expert results year after year, earning their place in your toolbox. Straightforward tools that work reassuringly hard to GET IT DONE. Keep Cool battery technology actively manages temperature, keeping cells cool so they do not overheat: giving more power, longer runtime and battery life. Erbauer 4.0Ah keep cool battery delivers 25% more runtime than a standard Erbauer battery without keep cool.