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One of the most expensive parts of a personal tool kit is the batteries, especially if you want to use multiple tools simultaneously without having to swap the battery each time you change tools. Moving seamlessly between drilling pilot holes and driving screws can save you time on your DIY projects, but the cost of extra batteries can add up. These deals from Home Depot are a good way to save more than 50% on a battery and tool combo if you want to expand your Milwaukee set.

Battery combo

18-volt Milwaukee six-amp-hour battery two-pack Free extra battery with purchase $299.00 at Home Depot $439.00 Save $140.00 Get Deal Get Deal $299.00 at Home Depot $439.00 Save $140.00

If you use bigger Milwaukee 18-volt tools like a circular saw, or use a Milwaukee inverter in your emergency kit for temporary emergency power, a few extra six-amp-hour batteries are helpful to have around, but the higher capacity batteries can be expensive. The two-pack of 18-volt Milwaukee six-amp-hour batteries is on sale for $299, 32% off its regular price. When you open the link to the two-pack, you'll see a "free gift with purchase" menu to the right, and you can select a third six-amp-hour battery from this menu. Once you add the battery, the discount is applied in your cart for a total savings of 53% off.

Tool combos

I use my Milwaukee 18-volt random orbital sander daily when I’m working on furniture and other projects. Having a cordless sander is more convenient because you don’t have to drag the cord around when you’re working on delicate projects and you can bring it with you wherever you want to work, making it perfect for outdoor woodworking as well. The Milwaukee 18-volt random orbital sander is on sale for $229 and it comes with a free six-amp-hour 18-volt battery when you select it in the "free gift with purchase" menu, saving you about 46% on the bundle. On this bundle, as with the other two tool bundles, you’ll need an 18-volt Milwaukee charger to use the battery.

My Milwaukee oscillating multitool has saved many of my household projects because of its versatility. I used mine when I needed to replace the drain in my 115-year-old Craftsman’s bathroom sink to cut through the plaster and lathe, to cut some PVC components, to trim the drain pipe where it came out from the wall, to trim a patch I installed, and to sand over some places after I patched the wall. The 18-volt Milwaukee oscillating multitool is $249, and right now, it comes with a free 18-volt, six-amp-hour battery when you select it in the "free gift with purchase" menu, saving you around 44% on the set.

18-volt Milwaukee oscillating multitool Free battery with purchase $249.00 at Home Depot Get Deal Get Deal $249.00 at Home Depot

I use my 6 ½” Milwaukee circular saw frequently to make quick rip cuts or in places I can’t use a table saw. Battery technology has come a long way since I first started using a cordless circular saw and I had to change out my battery every 20 minutes or so. With larger capacity batteries, you can use your cordless circular saw for several hours before needing to replace the battery, depending on the thickness and density of the material you’re cutting. The Milwaukee 18-volt, 6 ½” cordless circular saw is $229, and it comes with a free six-amp-hour battery when you select it in the "free gift with purchase" menu, saving you about 46% on the combo.

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