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21V Cordless Impact Wrench Kit

21V Cordless Impact Wrench Kit

Last price we saw

$26.44at Walmart, last seen Nov 1

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Our take on the 21V Cordless Impact Wrench Kit

This is a budget cordless impact wrench kit built around a 21V lithium-ion battery, the class of tool sold under many house brands for lug nuts, suspension bolts and light construction work. The listing gives only voltage and battery chemistry, so the real questions are torque, drive size and whether spare batteries are easy to find. No current price was supplied, so it cannot be compared against its recent range here. Treat it as a light-to-medium duty tool, not a replacement for a pro-grade 18V or 20V impact wrench.

Best forHome mechanics loosening lug nuts and brake boltsOccasional DIY and furniture or deck assembly
Buyers who want a spare-battery kit at a low price
Light farm, trailer and small-engine repair
Pros
  • 21V lithium-ion pack is the common budget-tool platform, so batteries are cheap
  • Cordless design reaches wheels and bolts a corded tool cannot
  • Kits usually bundle charger and case, so it is ready to use
  • Impact action breaks loose fasteners a drill cannot
Cons
  • Voltage alone says nothing about torque; budget 21V wrenches often fall well short of claimed figures
  • No drive size, torque rating or battery capacity is stated
  • Spare batteries from no-name brands can be hard to source later
  • Not built for daily shop use or rusted heavy-truck fasteners

21V Cordless Impact Wrench Kit prices at every store

  • WalmartCheck price at Walmart

21V Cordless Impact Wrench Kit price history

Lowest price we've seen: $26.44 on Nov 1 at Walmart. Tracked across 1 store since Nov 1.

Specifications

Power Type
Cordless
Battery Type
Lithium-ion
Voltage
21 volts

Questions and answers

Is a 21V impact wrench strong enough for lug nuts?
Usually yes for passenger-car lug nuts torqued to around 80 to 100 ft-lb, if the wrench is rated near or above that. Heavily rusted or truck-size fasteners often need a higher-torque tool. Check the stated torque before buying.
What size drive does it use?
Most kits in this class use a 1/2-inch square drive, which fits common impact sockets. Confirm the drive size before buying sockets, since some budget wrenches use 3/8-inch.
How long does the battery last?
Expect a few dozen lug nuts per charge from a typical budget 21V pack, less under heavy load. Runtime depends on battery capacity, which this listing does not state.
Can I use my other 21V batteries in it?
Only if they share the same connector. Budget 21V tools look alike but rarely share battery mounts across brands, so buy a kit with two batteries if you plan to use it often.
What comes in the box?
Typically the wrench, one or two 21V batteries, a charger and a carry case. Socket sets are sometimes included and sometimes not, so check the contents list.
When is it cheapest?
Budget cordless tool kits tend to drop around Black Friday, Father's Day and end-of-season clearance. Watch the price history rather than buying on the first discount.