DeWalt DXAEJ14

Last updated: October 22, 2026

DeWalt DXAEJ14
2.9/5#12 of 15 in trucks and v8s jump starters
2.9

For a garage or shop that wants a rugged booster with a tire inflator and doesn’t mind the weight. Most drivers are better served by a lighter lithium pack that holds its charge longer.

  • No liter ratingEngines
  • 17.3 lbWeight
  • 1 yearWarranty
Check price at Amazon$169Check price at Farm & Fleet$149.99

Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Works with wet, gel and AGM 12 V batteries, and can also recharge from a vehicle’s 12 V socket
  • Built-in 120 PSI inflator stops at a preset pressure
  • Alternator check shows whether the charging system is the real problem
  • Charges phones and tablets from USB-C and USB-A ports
Cons
  • Takes about 40 hours to recharge from flat on AC, and needs your own extension cord
  • Heavy at about 17 lb, versus 2-3 lb for lithium packs
  • No published engine-size rating beyond ‘most V8s’
  • Connecting it backwards and switching on permanently damages it
  • Needs topping up every 30 days in storage

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its engine size. How we rank explains each one.

Specifications

Model numberDXAEJ14
Starting
Rated enginesMost 4-, 6- and 8-cylinder cars and trucks (no liter rating)
Peak amps (maker)1,600 A
Voltage12 V
Battery and charging
ChemistryLead-acid (AGM)
Recharge time40 hours
USB outputsUSB-C 25 W, USB-A 15 W
Build
FlashlightYes
Air compressorYes
Weight17.3 lb
Warranty1 year

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