Which is better for driving screws?

The Impact Driver Kit. It is lighter at 2.4 lbs and has three speed settings plus FINISH and Self-tap modes for control. The combo kit's driver is the same class of tool but the kit weighs more with the 4.0 Ah battery.

Do I need the combo kit if I already have a drill?

No. If you already own a drill, the $95.00 driver kit covers fastening and saves you about $55. The combo kit only makes sense if you need the drill too.

Which has the longer runtime?

The combo kit, because it ships with a 4.0 Ah battery versus the driver kit's 2.0 Ah. Expect roughly double the run time per charge, though the drill adds load when used.

Is the combo kit worth the extra money?

Yes if you need a drill. You get a second brushless tool and a larger battery for about $55 more than the driver kit alone. If you only drive screws, it is not worth it.

Are these good for professional use?

They are solid DIY and light trade tools on the Kobalt 24V platform. The combo kit's own buyers note it is not likely to be found on professional job sites, and some suggest DeWalt, Milwaukee or Makita for a new platform.

Do both use the same batteries?

Yes. Both run on the Kobalt 24V Max lithium-ion platform, so batteries and chargers interchange between them.

Kobalt 24V Max Brushless Cordless Impact Driver Kit vs Kobalt 24V MAX Brushless 2 Tool Combo Kit

Buy the 24V Max Impact Driver Kit if you mainly drive screws and want the most torque per dollar. Buy the 2-Tool Combo Kit if you also need a drill and want a second tool for about $55 more. The driver is $95.00 at eBay as of November 4, 2026; the combo kit is $149.95 at eBay as of the same date.

Today the Kobalt 24V Max Brushless Cordless Impact Driver Kit costs $54.95 less at its best price.

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