Jump Starters
The best jump starters with an air compressor
One box for the two most common roadside failures. Here is the honest version of that trade, including the case for buying two tools instead.
Disclosure: we earn a commission if you buy through the Amazon links on this page, at no extra cost to you. Commission never decides a verdict or a ranking position — read our editorial policy and affiliate disclosure.
How we assessed these: picks are selected from manufacturer specifications, current retailer listings and published owner feedback — not from hands-on testing of every unit. Where a figure is not published by the manufacturer, we say so rather than estimate it.
Short answer
A combo unit makes sense if you want one item rather than two and can accept a heavier box with a slower compressor. If you value packed size — or you ever fly with the pack — two separate tools are better at both jobs for similar money.
The two most common reasons a car stops being usable are a battery that will not crank and a tire that will not hold air. A combo unit addresses both from one case, and the appeal is obvious: one thing to buy, one thing to remember, one thing to keep charged.
The reason we do not simply recommend one is that combo units make a specific compromise, and most roundups in this category do not say what it is.
Quick picks
Tap any row to jump to the full write-up. Scoring criteria are published in full on our methodology page.
| # | Product | Best for | Our read | Price |
|---|---|---|---|---|
| 1 |  DEWALT DXAEJ14 Power Station Best true combo box | One box that jumps and inflates | Jumps, inflates and has an AC outlet — and it is heavy | Check price on Amazon #ad Affiliate link · We show no price here; Amazon shows the current one |
| 2 |  NOCO Boost HD GB70 Best pack half of a two-tool kit | Diesel pickups and big V8s | Buy this plus an inflator if trunk space allows | Check price on Amazon #ad Affiliate link · We show no price here; Amazon shows the current one |
| 3 |  DEWALT DCC020IB 20V MAX Inflator Best inflator half of a two-tool kit | Anyone already on DEWALT 20V batteries | Three power sources, so a dead battery never strands you | Check price on Amazon #ad Affiliate link · We show no price here; Amazon shows the current one |
What the built-in compressor actually gives up
Duty cycle. A dedicated inflator is designed around one job, so its motor and its thermal path are sized for it. A compressor squeezed into a jump-starter case shares volume with a battery pack and shares heat with it too. The consequence is not that it fails to inflate a tire — it is that it takes longer and needs cooling breaks sooner, which matters most on the large tires that most need air. Duty cycle, explained covers why this is the spec to ask about.
Weight and size. A combo box is not a glovebox item. The DEWALT power station is a carry-handle case, which is fine in a truck bed and awkward in a hatchback already holding a stroller.
Chemistry. Most true combo stations are lead-acid, which has one genuine advantage — it does not lose capacity to a hot trunk the way lithium does — and one genuine cost: it self-discharges, so it needs topping up on a schedule or it is flat when you need it.
The two-tool alternative, priced honestly
| Combo station | Pack + inflator | |
|---|---|---|
| Jump performance | Adequate, lead-acid | Better per pound, lithium |
| Inflation performance | Slower, shorter duty cycle | Purpose-built |
| Total weight | Heavier in one case | Lighter, split in two |
| Packed size | One large box | Two small items that fit around cargo |
| Can fly in carry-on | No — lead-acid station | Yes, every pack here is under 100 Wh |
| Maintenance | Top up on a schedule | Lithium holds charge better |
| Failure mode | One dead box, both jobs lost | One tool fails, the other still works |
That last row is the argument people underrate. A single box is a single point of failure for both problems.
Our read: if trunk space is not the binding constraint and you like the idea of one item, the combo station is a reasonable buy and the AC outlet is genuinely useful. If you travel, if space is tight, or if you want each job done properly, buy a GB70 and a DEWALT DCC020IB and be better off at both.
The picks
1. Best true combo box
DEWALT DXAEJ14 Power Station
DEWALT · Best for one box that jumps and inflates
A lead-acid jump station with a built-in air compressor and a 120 V outlet — the combo box for people who would rather carry one heavy thing than two light ones.
This manufacturer does not publish a full specification table for this model on its own site. Rather than repeat figures we cannot source, the assessment below is limited to what the product category and the retailer listing genuinely establish.
What works
- Jump starter, air compressor and AC outlet in a single case
- Lead-acid chemistry is untroubled by living in a hot trunk
- Handle-and-case format survives being thrown in a truck bed
What does not
- Heavy and bulky next to any lithium pack — the usual reason combo boxes end up in the garage
- Lead-acid self-discharges, so it needs topping up on a schedule or it is flat when you need it
- The built-in compressor is a convenience feature, not a match for a dedicated inflator's duty cycle
Skip it if
Not for anyone whose priority is packed size or carry-on travel. If the tool has to fit a door pocket or a suitcase, buy a lithium pack and a separate inflator.
#ad Affiliate link · We show no price here; Amazon shows the current one
2. Best pack half of a two-tool kit
NOCO Boost HD GB70
NOCO · Best for diesel pickups and big v8s
The one to buy if you drive a diesel: 2,000 peak amps, a 6.0-liter diesel rating and 56 watt-hours, which is the smallest pack with real margin on a cold diesel.
Published specifications
What works
- The 6.0 L diesel rating covers the common 3.0 L and 6.7 L light-truck diesels with margin
- 56 Wh is still comfortably under the 100 Wh carry-on threshold, so it flies as hand luggage
- 12 V 15 A accessory output, and a 400-lumen light that is genuinely usable roadside
- 12 V / 3 A fast charge brings it back in about three hours
What does not
- 4.18 lb — noticeably heavier than the compact packs, and it wants a dedicated spot
- Overkill for a commuter four-cylinder; you are paying for headroom you will not use
Skip it if
Not the one to buy if you only ever start a four-cylinder commuter. Buy diesel headroom when you have a diesel.
#ad Affiliate link · We show no price here; Amazon shows the current one
Raw specifications: NOCO’s own page for the NOCO Boost HD GB70.
3. Best inflator half of a two-tool kit
DEWALT DCC020IB 20V MAX Inflator
DEWALT · Best for anyone already on dewalt 20v batteries
Three power sources in one body — 20V MAX battery, 12 V socket or 110 V wall — with a digital gauge and auto-shutoff, which is what makes an inflator usable everywhere.
Published specifications
What works
- The 12 V socket option means a dead tool battery never leaves you stranded
- A threaded chuck screws onto the valve stem instead of clamping — the difference between a solid seal and a hissing one
- Set-and-walk-away auto-shutoff at your target pressure
- High-volume mode handles air mattresses and inflatables, not just tires
What does not
- Sold as a bare tool — battery, charger and AC adapter are separate purchases
- Bigger and heavier than a pocket 12 V inflator, so it wants trunk space
Skip it if
Not the pick if you own no DEWALT batteries and only ever top up car tires. A plain 12 V inflator is smaller and cheaper for that job.
#ad Affiliate link · We show no price here; Amazon shows the current one
Raw specifications: DEWALT’s own page for the DEWALT DCC020IB 20V MAX Inflator.
Who should ignore this page entirely
If your tires are the recurring problem rather than the battery — a slow leak, a monthly top-up, light-truck sizes — skip combos and read the best portable tire inflators instead. Buying a jump starter to get a compressor is the wrong way round.
Key takeaways
- The compromise in a combo unit is duty cycle, not maximum pressure.
- Most true combo stations are lead-acid: heat-tolerant, but they self-discharge.
- A combo box cannot fly; a sub-100 Wh lithium pack can.
- Two tools mean one failure does not cost you both capabilities.
- If tires are your recurring problem, buy a dedicated inflator.
How we sourced this
Every figure on this page came from one of the following. Where a manufacturer or regulator does not publish a number, we say so rather than estimate it.
Common questions
- Are jump starters with built-in air compressors any good?
- They work, and the convenience of one box is real. What you give up is duty cycle — the built-in compressor runs hot sooner than a dedicated inflator, which matters most on large tires — plus packed size and, on lead-acid stations, the ability to take it on a plane.
- Can a combo jump starter inflate a truck tire?
- It can move air into one, but expect it to take a while and to need cooling breaks. If light-truck or off-road tires are a regular job rather than an emergency, a battery-clamp compressor built for that throughput is the right tool.
- Is it cheaper to buy a combo unit or two separate tools?
- They land close enough that price should not decide it. Choose the combo for a single item to manage and an AC outlet; choose two tools for better performance at each job, less weight to carry at any one time, and the ability to fly with the pack.
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Found something out of date, or a figure you can source better than we did? Tell us — corrections get read first. Our methodology explains how picks are made, and contact is one click away.