OPEN 24/7 • Currently
Denver Jump Start Service
Fast • High-Altitude Experts • Professional Service
Jump Starts
Battery Testing
All Vehicles
24/7 Service
20-35 Min Response
Cold Weather Specialists
Fast • High-Altitude Experts • Professional Service
20-35 Min Response
Cold Weather Specialists
All Hours Roadside is a private, independent roadside company that provides mobile jump start in Denver, CO, 24 hours a day, 7 days a week, with no membership required. A jump start is $60–$75; if the battery will not hold a charge, a new battery installed runs $249–$289. Call or text (720) 360-1109 and a technician is dispatched to your location.
Prices are labor-based starting rates confirmed by phone or text before dispatch. Arrival times vary with traffic, weather and distance from the nearest technician.
Fast, professional jump start service to get your vehicle running again.
We test your battery after the jump to determine if it needs replacement.
Cars, trucks, SUVs, hybrids — we have equipment for all vehicle types.
Denver's unique combination of high altitude and extreme temperatures is tough on car batteries
Cold temperatures reduce battery capacity by up to 50%.
At 5,280 ft, charging systems work harder, stressing batteries.
Summer heat accelerates battery fluid evaporation and internal wear.
40-degree daily temperature changes stress battery components.
We provide jump start service throughout Denver and surrounding areas
Downtown
16th St, LoDo
RiNo
Art District
Capitol Hill
Dining, nightlife
Cherry Creek
Shopping, upscale
Wash Park
Parks, trails
Highland
LoHi, views
Central Park
Families, parks
Sloan's Lake
Lake, trails
DIA Area
Airport, GVR
I-25 Corridor
Highway service
A battery loses a large share of its cranking power once the temperature drops toward freezing, while the engine oil it has to turn over gets thicker at the same time. That combination is why Denver batteries fail on the first genuinely cold morning of the season rather than gradually — the battery was already weak in October and simply ran out of margin in November.
Altitude adds to it. Thinner air means the engine needs a healthy crank to catch, so a battery that would still start a car at sea level can fail here. If your engine has been cranking slowly, or the dash lights dim while starting, that is the warning window.
We arrive with commercial lithium jump packs that start AGM and start-stop systems the small consumer boosters cannot, then load-test the battery and check alternator output before we leave. If the battery has failed we can install a replacement on-site, so you are not repeating the same call in the parking garage tomorrow morning. Coverage runs through Capitol Hill, RiNo, Wash Park, Sloan’s Lake, Cherry Creek, Aurora, Lakewood, and Englewood, 24 hours a day.
If your jump doesn't hold
Match your year / make / model to the right group size and CCA in 20 seconds.
If the jump won't hold, we install a new battery on-site — $249–$289 all-in.
Field-tested guide on why batteries fail after a jump and what to do next.
Tesla, Prius, Lightning, Ioniq — 12V accessory battery jump protocol.
Verified reviews from real roadside jobs — private operator, no memberships.