The DeWalt DXAEJ14 is the better jump starter overall, rated 2.9 to 2.7. The DeWalt DXAEJ14 leads on features. The Battery Tender 1500 Amp Jump Starter wins on value. The Battery Tender 1500 Amp Jump Starter costs $15.22 less ($134.77 vs $149.99).
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.
Amazon $169 Farm & Fleet $149.99For drivers in mild climates who want a V8-capable pack with a case and accessories in the box. In winter climates, pick a pack rated well below freezing.
Amazon $134.77Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every trucks and v8s jump starter; a clear win is highlighted. How we rank explains each one.
| Factor weight | DeWalt DXAEJ14 | Battery Tender 1500 Amp Jump Starter |
|---|---|---|
| Overall rating | 2.9/5 | 2.7/5 |
| Value 40% | 53 $149.99 for its size | 61 $134.77 for its size |
| Features 35% | 35 basic | 10 USB-C charging; no override for a flat battery |
| Capacity 15% | 50 capacity not published in Wh (neutral score used) | 50 capacity not published in Wh (neutral score used) |
| Warranty 10% | 0 1-year warranty | 0 1-year warranty |
| DeWalt DXAEJ14 | Battery Tender 1500 Amp Jump Starter | |
|---|---|---|
| Starting | ||
| Rated engines | Most 4-, 6- and 8-cylinder cars and trucks (no liter rating) | Any 12 V gas engine up to V8 (no liter rating), 7 L diesel |
| Peak amps (maker) | 1,600 A | 1,500 A |
| Cranking amps | - | 750 A |
| Voltage | 12 V | 12 V |
| Manual override | - | No |
| Lowest operating temperature | - | 32 °F |
| Battery and charging | ||
| Chemistry | Lead-acid (AGM) | Lithium-ion |
| Capacity (mAh) | - | 12,000 mAh |
| USB-C input | - | 15 W |
| Recharge time | 40 hours | - |
| USB outputs | USB-C 25 W, USB-A 15 W | USB-C 15 W, USB-A QC 3.0, 12 V 10 A |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | Yes | No |
| Dimensions | - | 8.22 x 4.15 x 2.7 in |
| Weight | 17.3 lb | 3.9 lb |
| Warranty | 1 year | 1 year |
