For drivers of trucks and large SUVs who want a jump starter and tire inflator in one box. The LiFePO4 battery should outlast ordinary lithium packs.
Amazon $169.95
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
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
- 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
- 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 number | DXAEJ14 |
|---|---|
| Starting | |
| Rated engines | Most 4-, 6- and 8-cylinder cars and trucks (no liter rating) |
| Peak amps (maker) | 1,600 A |
| Voltage | 12 V |
| Battery and charging | |
| Chemistry | Lead-acid (AGM) |
| Recharge time | 40 hours |
| USB outputs | USB-C 25 W, USB-A 15 W |
| Build | |
| Flashlight | Yes |
| Air compressor | Yes |
| Weight | 17.3 lb |
| Warranty | 1 year |
Alternatives in this engine size
For garages, fleets and anyone who keeps a booster on a charger in the shop and wants something simple and durable. Drivers who want a pack for the glove box should get a lithium starter.
Amazon $126.02For work trucks, diesels and boats that need a big pack with a 12 V output. The newer GBX155 rates higher and charges faster over USB-C, so compare prices first.
Amazon $299.95Compare
Compare the DeWalt DXAEJ14 with any other jump starter →
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