Which kit is better for carpentry and framing?

The 4-tool kit. It adds a 6-1/2 in. circular saw with 0-50 degree bevel and a 110-lumen light, which the 2-tool kit lacks.

Is the 4-tool kit worth the extra money?

At $350.00 versus $129.00, you pay about $221 for a saw and a light. Buy it only if you need both; otherwise the 2-tool kit covers drilling and driving.

Do both kits use the same batteries?

Yes. Both are DeWalt 20V MAX kits with two lithium-ion packs and a charger, so batteries swap between them.

Which has the better drill?

The 4-tool kit's DCD780 spins to 2,000 RPM versus 1,500 RPM on the DCD771, and both have a 1/2 in. chuck. The DCD771 is rated at 300 UWO.

Which is more reliable?

The 2-tool kit has far more feedback, 3,600 ratings at 4.5, but some reviewers report short battery runtime and a broken bit retainer. The 4-tool kit has only 26 ratings at 4.8.

Which is easier to carry around?

The 2-tool kit. Its impact driver weighs 2.8 lb, while the 4-tool kit ships at 21.75 lb with the saw and bag.

DeWalt 20V MAX 4-Tool Combo Kit DCK421D2 vs DeWalt 20V MAX Cordless 2-Tool Combo Kit with 2 Batteries and Charger

Buy the 4-tool kit (A) if you need to cut and light a jobsite, not just drill and drive. Buy the 2-tool kit (B) if you already own a saw and light, or want the lowest entry price. As of November 4, 2026, the best new price for A is $350.00 at eBay, and for B it is $129.00 at Amazon. A's price history has swung from $105.00 to $249.00 in a week, so check the store before you buy.

Today the DeWalt 20V MAX Cordless 2-Tool Combo Kit with 2 Batteries and Charger costs $221.00 less at its best price.

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