US
Wagan

Wagan 2257 Impact

  • Impact
  • 5 pounds
  • 12 volts
4.0/ 5 on Amazon1,300Amazon ratings3.4ProductDome score
  • More reviewed than 79%
Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want a 12 volt impact tool that can run from a vehicle power source for roadside or garage use

A portable 12 volt impact tool suited to light-duty jobs like loosening lug nuts when a standard 120 volt outlet or a full cordless kit is not available.

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ProductDome scorecard

How it ranks among the 284 impacts we track

3.4/ 5ProductDome scoreMedium confidence
Owner satisfaction · 56% of scorecategory median 4.6★4.0

4.0★ across 1,300 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 360 ratings3.9

1,300 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score0.0

Modest tracked demand last month.

Data quality · 11% of score2.5

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 284 impacts we track - how the scorecard works · full impacts data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

The Wagan 2257 is a 12 volt impact tool weighing about 5 lbs, built to run off a vehicle's 12 volt power source rather than household current. That makes it a portable option for roadside or garage jobs where a wall outlet is not on hand.

Running at 12 volts positions this as a portable, low-voltage impact tool rather than a shop-grade corded or high-voltage cordless unit. The tradeoff is convenience: it draws power from a car outlet or comparable 12 volt source instead of needing mains electricity or a charged battery pack.

  • 12 volt power input
  • 5 lb tool weight
  • Portable design for roadside or garage use
  • Impact-style fastener driving

Who it's for

Drivers who want a 12 volt impact tool in the trunk for roadside jobs like loosening lug nuts, and anyone working in a garage without ready access to an outlet. It is not a replacement for a full-power corded or high-voltage cordless impact wrench on heavy fastener work.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Runs off 12 volt power, useful away from an outlet
  • 5 lb weight is manageable for one-handed use
What to check first
  • 12 volt output trails mains-powered impact tools
  • Not intended for heavy-torque fastener work

Performance notes

At 12 volts, output sits well below mains-powered or higher-voltage cordless impact tools, the tradeoff for being able to draw power from a vehicle outlet. The 5 lb weight keeps it manageable for one-handed use in tight spaces like a wheel well.

Specifications

BrandWagan
Model2257
Item Weight5 pounds
Voltage12 volts

How it compares

This product against the closest alternatives we track in impacts.

ProductAmazon ratingRatingsProductDome score
Wagan 2257 ImpactThis product4.0 / 51,3003.4 / 5
DEWALT DCF845B ImpactDeWALT4.7 / 512,7004.5 / 5
Milwaukee 2457-20 ImpactMILWAUKEE4.6 / 58,0784.5 / 5
GEARWRENCH 81270 ImpactGEARWRENCH4.7 / 54,9834.4 / 5
AOBEN AB7331T ImpactAOBEN4.4 / 510,7074.4 / 5
Frequently asked

Questions about the Wagan 2257

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What voltage does the Wagan 2257 run on?

12 volts.

How much does it weigh?

About 5 lbs.

Is it suited to heavy-duty fastener jobs?

Its 12 volt output makes it better suited to lighter jobs like lug nuts than to heavy-torque work.