We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Lowe’s is offering a free DeWalt 20V Max XR 5.0Ah battery valued at $169 with the purchase of a select DeWalt tool. The free, high-capacity 5Ah battery keeps tools running longer under load, so you can work without stopping to swap or recharge as often. Among the qualifying tools are an oscillating multi-tool kit, an impact wrench, an angle grinder, and a reciprocating saw. Add any one to your cart and check out – the free battery is automatically included.  DeWalt XR 20V Max Brushless Oscillating Multi-Tool Kit Photo: Lowe’s Now $169 + Free Extra Battery This oscillating tool handles plunge cuts, sanding, scraping, and trim work. Buy at Lowe's Photo: Lowe’s DeWalt XR 20V Max Brushless 1/2-in Impact Wrench Photo: Lowe’s Now $199 + Free Extra Battery This cordless impact wrench is built for lug nuts, suspension work, and heavy fastening.…