Is the B22 more powerful than the B12?

No. Both use the same brushless motor with 400 in-lbs of torque, 0-500 / 0-1,900 rpm and a 1/2 in. all-metal chuck. The difference is the battery count in the kit.

Which is better for a homeowner with occasional jobs?

The B12. One 2 Ah battery covers most drilling and driving around the house, and it costs $59.00 at Lowe's as of November 7, 2026.

Which lasts longer on a charge?

The tools run the same time per battery. The B22 lasts twice as long between trips to the charger because it comes with two batteries.

Is the B22 worth the extra money?

If you work away from an outlet, yes. The $40.90 gap buys a second 2 Ah battery, which usually costs more than that on its own.

Do batteries fit both drills?

Yes. Both are 18V Bosch tools that take the same 2 Ah lithium-ion packs, so a battery bought for one works in the other.

Bosch GSR18V-400B12 Drill/Driver Kit vs Bosch GSR18V-400B22 Drill/Driver Kit

These are the same Bosch drill; the only real difference is the kit. The B12 ships with one 2 Ah battery, the B22 with two. As of November 7, 2026, the B12 is $59.00 at Lowe's and the B22 is $99.90 at eBay. Buy the B12 for light home use and add a battery later; buy the B22 if you work away from an outlet and want a spare in the bag.

Today the Bosch GSR18V-400B12 Drill/Driver Kit costs $40.90 less at its best price.

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