24/7 Mobile Battery Service

Find the Right Battery for Your Vehicle

Select your vehicle's year, make, and model to find compatible batteries with the correct group size, CCA rating, and type.

5,000+ VehiclesAccurate SpecsMobile Installation

Who replaces a car battery in Dallas?

All Hours Roadside is a private, independent roadside company that provides mobile car battery replacement in Dallas, TX, 24 hours a day, 7 days a week, with no membership required. A new battery installed on site runs $249–$289 depending on group size, with free testing. Call or text (214) 785-2102 and a technician is dispatched to your location.

Service: Battery testing, on-site replacement, terminal cleaning, charging-system check
Service area: Dallas, TX and surrounding areas — we come to you
Availability: Open 24 hours a day, 365 days a year, including nights, weekends and holidays
Starting price: $249–$289 installed — plus a flat $19 dispatch fee, quoted before we roll
Membership: None. No sign-up, no annual dues — pay only for the job
Contact: Call or text (214) 785-2102

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.

Free Battery Lookup • Updated 2026

Find the Right Battery for Your Vehicle

Group size, CCA, and tier-by-tier pricing in seconds — including 2026 EVs.

5,000+vehicle configs

3 Tierseconomy → premium

Mobileinstall included

Will this work for my EV?

Yes — covers Tesla, Rivian, Lucid, and Polestar 12V auxiliary specs alongside ICE Group 24F, 35, 47, 48, 65, H6, H7, and H8 sizes through 2026.

What if my exact model isn't listed?

Call (214) 785-2102 — we stock 5,000+ configs across AGM, EFB, and flooded chemistries and dispatch a mobile tech in under 25 minutes.

Why Choose All Hours Roadside for Battery Replacement?

24/7 Service

Mobile battery replacement available day or night, weekends and holidays.

We Come to You

No need to visit a shop. We replace your battery at your home, work, or roadside.

Pro Installation

Expert technicians properly install and test your new battery on-site.

Quality Batteries

We carry top brands with warranties you can count on.

Understanding Car Battery Specifications

Battery Group Size

Group size refers to the battery's physical dimensions, terminal locations, and type. Common sizes include Group 35 (many Asian vehicles), Group 48 (GM vehicles), Group 65 (Ford trucks), and European H-series sizes for luxury imports. Using the correct group size ensures proper fit in your battery tray and correct terminal alignment.

Cold Cranking Amps (CCA)

CCA measures the battery's ability to start your engine in cold weather. It indicates the number of amps a battery can deliver at 0°F for 30 seconds while maintaining 7.2 volts. Higher CCA means more reliable starting. While Texas winters aren't extreme, meeting your vehicle's CCA requirement is still essential for reliable performance.

AGM vs Standard Batteries

Standard (Flooded) Lead-Acid: Traditional battery technology. Affordable and reliable for most vehicles without advanced electrical systems.

AGM (Absorbed Glass Mat): Premium batteries with glass mat separators that absorb electrolyte. Benefits include better vibration resistance, longer lifespan, faster recharging, and compatibility with start-stop systems. Required for many European vehicles and recommended for Texas heat.

Real Mobile Battery Jobs — This Month

Every install and jump-start below was done on-site with commercial gear (Clore JNC950, NOCO Boost HD, ANCEL AD410 Pro tester) — not a shop, not a tow.