Roadside assistance
Jump start service that comes to you when the battery is dead
The short answer
A jump start service brings a technician with a booster pack to wherever the vehicle sits, gets the engine running, then tests the battery and the charging system so you know whether the charge will hold. If it will not, the same visit becomes a battery replacement or a tow, agreed with you first.
What a dead battery looks like from the driver’s seat
What the car does when you turn the key is the most useful thing anyone has to go on before a technician arrives.
The starter clicks but the engine will not turn over
You turn the key and get rapid clicking, or one loud clunk, and the dash still lights up. That is a battery with enough charge left to run the electronics and not enough to spin the starter motor.
Everything is dark — no dome light, no click
No dash, no dome light, nothing at all when you turn the key. Either the battery is flat to the point of silence, or a terminal has corroded or worked loose. The technician checks the connections before anything else.
A light or a door was left on overnight
Headlights, an interior lamp or a door that never fully latched will empty a healthy battery while you sleep. This is the case a jump start is made for: nothing is broken, the battery was only drained, and the alternator refills it as you drive.
The car sat for weeks and will not wake up
A parked car still feeds the clock, the alarm and the keyless entry receiver. An older battery often does not come back from a long sit, so the load test after the jump matters more than usual. Cold makes it worse: a freeze is when a marginal battery gives up.
What the visit involves
Tell dispatch what happens when you turn the key
Clicking, silence, a slow crank or a dash full of warning lights are four different starting points. Give the make, model and exactly where the car sits — a shoulder, a garage level, a gated lot — because access decides what the technician can pull alongside.A vetted local operator arrives with a booster pack
Most technicians carry a lithium jump pack rather than jumping from a second vehicle, which keeps another car out of a live lane. A battery buried under a seat, in the trunk or behind a fender is jumped at the remote posts the manufacturer put under the hood for it.The engine is started, then the battery is load-tested
A running engine only proves the pack worked. The test that matters comes next: a load test on the battery, and a check that the alternator is charging properly with the engine running. That is what tells you whether the car starts again tomorrow.You drive away, or the visit becomes a different job
If the battery passes, drive at road speed for a good stretch rather than a few blocks, because an alternator puts charge back slowly. If it fails, you are quoted a battery before anything is fitted. If the alternator is the fault, no battery saves you and the car needs a shop.
Upfront pricing
What a jump start costs
A jump start is billed as one service call rather than by distance, and the local operator confirms the final price with you before anyone is dispatched. Nights, weekends and holidays carry the operator’s after-hours rate. The figures below are indicative ranges for a light vehicle, not quotes.
| Service | Typical range | What is included |
|---|---|---|
| Jump start | $50 – $120per visit | The visit itself: getting the engine running, then testing what stopped it. |
| Tow to a shop, up to ten miles | $75 – $125per call | Where the charge will not hold and no battery is fitted at the roadside, or the charging system is the fault. |
Estimates only. Final price confirmed by the local operator before dispatch.
What moves this price
- The hour and the day. A call at night, on a weekend or on a holiday carries the operator’s after-hours rate.
- Where the car is sitting. A highway shoulder needs traffic protection, a parking structure has a height limit, and a rural driveway adds drive time.
- What the technician finds. A battery that fails its load test, or an alternator that is not charging, is a different job from the one you called about.
- The vehicle. A battery in the trunk or under a seat, or a start-stop system, takes more care to reach and connect than one sitting in the engine bay.
Where these ranges come from
- TowingServiceHub — Roadside assistance cost guideChecked August 30, 2026
- LatestCost — Average Cost of Roadside AssistanceChecked August 30, 2026
Jump start or a new battery?
Both jobs are dispatched the same way and end very differently. Which one you need is decided at the roadside by the load test, not on the phone.
| What matters | Jump start | Mobile battery replacement |
|---|---|---|
| What it fixes | A good battery drained by a light left on, a long sit or a run of short trips | A battery that no longer holds a charge, whatever you do to it |
| How the visit ends | The engine runs and you drive to put charge back | A new battery in the car and the old one taken away as a core |
| What you pay for | The service call | The service call and the battery your car takes |
| When it is the wrong call | The battery fails its load test, or the car dies as soon as the pack comes off | The battery tests healthy and something else is draining it |
Start with the jump start. It is the cheaper visit, it gets the car moving either way, and the load test that comes with it is what tells you whether a battery is worth buying.
Where these statements come from
Anything numeric or regulatory on this page carries the document it was read from and the date it was checked against it. A claim with no source is left off the page.
Consumer cost guides put a pay-per-use jump start at $50 to $120, with roughly $85 typical.
TowingServiceHub — Roadside assistance cost guideChecked August 30, 2026
Frequently asked questions
Will a jump start damage my car’s electronics?
Done properly, no. The technician connects to the posts the manufacturer designates, in the right order, using a regulated jump pack rather than a second running engine — which is what keeps a voltage spike away from the control modules. The risk people remember comes from reversed clamps between two cars. Where a sensor is clamped to the negative terminal, the ground goes on the chassis point instead.
How long should I drive after a jump start?
Longer than most people do, and at road speed. An alternator puts charge back slowly, and idling in a driveway barely keeps up with what the car itself is using. A steady drive of half an hour or so gives a drained battery a real chance to recover. A trip to the store and back is how the same battery ends up flat again a few days later.
The car started with a jump and died again overnight. What now?
That is either a battery that no longer holds a charge or something draining it while the car sleeps. A second jump start gets you moving again but fixes neither. Ask for the load test result: a battery that fails needs replacing, and a battery that passes but keeps going flat points to a parasitic draw or a charging fault, which is a shop diagnosis rather than a roadside one.
Can you jump-start a hybrid or an electric vehicle?
The small twelve-volt battery in a hybrid or an electric car can be jumped, and it fails the same way any other does — it wakes the computers, so when it dies the car is as dead as any other. The traction battery is a different matter. An electric vehicle that has run its traction battery flat needs a tow to a charger, because there is no roadside equivalent of a can of fuel.
My battery is in the trunk. Can it still be jumped where it sits?
Yes, and it is common on European sedans, on some trucks and on many hybrids. Manufacturers who move the battery out of the engine bay provide remote jump posts for exactly this: a red cap over a positive stud and a marked ground point, both under the hood. Say what you drive when you call and the technician arrives knowing where to connect rather than hunting for it on a shoulder.
Is it the battery or the starter?
Rapid clicking with the dash lit usually means low voltage, which is a battery symptom. A single solid click with strong lights, or a crank that sounds normal but never catches, points somewhere else — a starter, an immobilizer that does not recognize the key, or a fuel problem. A jump start settles the question quickly: if the engine spins normally on the pack, the battery was the problem.
Last updated
Gear
Start it yourself next time
A pack in the trunk turns most of these calls into a two-minute job. Which one you need is decided by the engine, not by the peak-amp figure on the box.
- Best overall compactNOCO Boost GB40 1000A UltraSafe Jump Starter
- Best for big enginesHulkman Alpha 85 2000A Smart Jump Starter
- Best all-in-oneGOOLOO A5 4000A Jump Starter with Air Compressor
Tell us what you need
Describe the job once. We match it to a vetted, licensed local operator and come back with an estimate. Nothing is dispatched until you agree the price.
Estimates only. The local operator confirms the final price before dispatch.