Which is better for drilling into concrete?

A. Only the FUEL kit has a hammer drill mode, and Milwaukee rates it for brick, block and concrete. B is a drill/driver and will struggle in masonry.

Is A worth the extra money over B?

If you drill masonry or drive long screws daily, yes. A's FUEL tools, hammer mode and 5.0Ah batteries do more work per charge. For furniture and shelf projects, B covers it for less.

Which has longer battery runtime?

A. Its two 5.0Ah packs hold more than twice the charge of B's 2.0Ah packs, so expect roughly double the runtime per battery.

Do the batteries fit other Milwaukee tools?

Yes. Both kits use the M18 18V platform, which Milwaukee says covers over 200 tools, so batteries and chargers interchange between A and B.

Which is lighter to use overhead?

B. It is built as a compact, lightweight kit. A's hammer drill is 6.9 inches long and the full kit weighs about 3.65 kg.

A is built for professional daily use with FUEL brushless motors and larger batteries. B is durable but aimed at lighter duty, so heavy jobsite use will wear it faster.

MILWAUKEE M18 FUEL 18V Lithium-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) with 2 Batteries vs Milwaukee M18 Brushless Cordless 1/2 in. Compact Drill & Impact Driver Kit with 2.0 Ah Batteries

Buy the M18 FUEL kit (A) if you drill concrete, drive long fasteners, or want the strongest tools and biggest batteries. Buy the M18 Brushless compact kit (B) if you mostly assemble furniture, hang shelves, and want lighter tools. A's best new price is $249.99 at Amazon as of November 3, 2026, and it hit $149.99 on November 2. B's lowest recent daily price was $185.00 on October 31.

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