Car BatteryReplacement
On-site battery testing, diagnosis, and replacement for every vehicle. Our certified mobile technicians arrive in 15-25 minutes with the right battery for your car.
Full-Service Battery Replacement
- Free on-site battery diagnostics and load testing
- Premium brand batteries for all makes and models
- Old battery removal and eco-friendly recycling
- Electrical system and alternator verification
- Terminal cleaning and corrosion prevention
- Manufacturer warranty on every battery installed
Expert Battery Diagnostics
Not every dead battery needs a replacement. Our certified technicians use professional-grade diagnostic equipment to perform comprehensive load tests, measuring cold cranking amps (CCA), voltage output, and internal resistance. We test your battery under real-world conditions to determine whether it needs replacing or if a simpler fix will get you back on the road.
We also inspect your alternator output, starter draw, and parasitic drain to make sure nothing else is causing your battery to fail. This thorough approach saves you money by preventing unnecessary replacements and catches problems that would otherwise leave you stranded again in a few days.
- CCA and voltage load testing under real conditions
- Alternator output and charging system check
- Parasitic draw detection for phantom battery drains
- Terminal and cable connection inspection
- Honest, transparent diagnosis with no upselling
What Our Testing Covers
Battery Voltage
Resting and under-load voltage measurement
Cold Cranking Amps
CCA test to measure starting power
Charging System
Alternator output verification at idle and RPM
Electrical Connections
Terminal corrosion, cable integrity, and ground straps
Professional Battery Replacement
When your battery fails our load test, we replace it on the spot with a premium battery matched precisely to your vehicle. No tow truck needed, no trip to the auto parts store, no waiting around.
Passenger Vehicles
Cars, sedans, coupes, hatchbacks, and crossovers from all manufacturers. We carry a full range of standard and AGM batteries for every make and model on the road today, from compact Hondas to full-size Chevys.
SUVs & Trucks
Larger vehicles need more cranking power, and we carry the heavy-duty batteries to match. From mid-size SUVs like the Toyota 4Runner to full-size trucks like the Ford F-250, we have the right battery in stock.
European & Luxury
BMW, Mercedes-Benz, Audi, Porsche, and other European vehicles often require specific AGM or EFB batteries. Our technicians know the exact battery specifications and reset procedures these vehicles demand.
Start-Stop Vehicles
Modern vehicles with auto start-stop technology require specialized AGM or EFB batteries designed to handle frequent cycling. Installing a standard battery will cause premature failure. We use the correct battery type every time.
Diesel Vehicles
Diesel engines have significantly higher compression ratios and require batteries with greater cranking amps. We carry heavy-duty batteries and dual-battery solutions for diesel trucks, SUVs, and commercial vehicles.
Motorcycles & Powersports
We also service motorcycle, ATV, UTV, and jet ski batteries. These smaller batteries require careful handling and specific terminal types. Our technicians carry a range of powersports batteries for on-site replacement.
Hybrid & Electric Vehicle Battery Service
Even though hybrid and electric vehicles rely on large traction batteries for propulsion, they still use a standard 12V auxiliary battery to power the onboard computer systems, lights, locks, and accessories. When this 12V battery dies, your hybrid or EV is completely immobilized, unable to even open the doors electronically or shift out of park.
Our technicians are specifically trained to work with hybrid and EV electrical systems. We understand the safety protocols, the specific battery types these vehicles require, and the recalibration procedures needed after a battery swap. Whether you drive a Toyota Prius, a Tesla Model 3, a Chevy Bolt, or a Ford Mustang Mach-E, we have the right 12V battery and the expertise to install it safely.
- Safe 12V auxiliary battery replacement for all hybrids and EVs
- Trained technicians who understand high-voltage safety protocols
- Correct AGM batteries matched to EV system requirements
- Post-installation system check and computer recalibration
- No risk to high-voltage traction battery or drive components
Vehicles We Service
Fleet & Commercial Benefits
Priority Dispatch
Fleet accounts get priority routing for faster response times
Volume Pricing
Competitive rates for businesses with ongoing battery needs
Detailed Invoicing
Itemized invoices with VIN, battery specs, and warranty info
Flexible Payment
Net-30 terms available for qualified commercial accounts
Maintenance Records
We track battery history across your entire fleet
Commercial Vehicle Battery Service
A dead battery in your work vehicle or fleet means lost revenue and missed appointments. Our commercial battery replacement service is designed to minimize downtime and get your vehicles back in service fast. We stock heavy-duty commercial batteries for delivery vans, box trucks, service vehicles, and work trucks used throughout San Diego County.
We work with plumbing companies, HVAC contractors, delivery services, property management firms, and rideshare drivers who cannot afford to have vehicles sitting idle. Our fleet accounts come with priority dispatch, volume pricing, and detailed invoicing to make battery maintenance hassle-free for your entire operation.
How It Works
From dead battery to full power in three simple steps
Call Us - We Dispatch Immediately
Call our 24/7 dispatch line or text us your location. Tell us your vehicle year, make, and model so we can bring the right battery. We dispatch the closest technician to your location immediately and send you a real-time ETA via text message so you know exactly when help is arriving.
On-Site Testing & Diagnosis
Our certified technician arrives in 15-25 minutes with professional diagnostic equipment. We perform a comprehensive battery load test and inspect your entire charging system. If your battery passes the test, we will let you know honestly and suggest alternative solutions rather than selling you something you do not need.
Replace & Verify
If replacement is needed, we install a premium battery matched to your vehicle's exact specifications right on the spot. We clean the terminals, apply corrosion inhibitor, verify the charging system is working correctly, and properly dispose of your old battery. You drive away with a new battery and full warranty coverage.
Why Choose CloseBy
San Diego trusts CloseBy Towing for mobile battery replacement because we combine speed, expertise, and transparent pricing every single time.
Rapid 15-25 Minute Response
Our strategically positioned mobile units cover all of San Diego County. From La Jolla to Chula Vista, from downtown to East County, we arrive fast because we are always nearby. Average response time is 15-25 minutes, day or night, weekday or weekend.
Certified Mobile Technicians
Every CloseBy technician is trained in automotive electrical systems and carries professional-grade diagnostic tools. We do not guess - we test, diagnose, and verify every step of the way so you get the right solution the first time.
Premium Batteries with Warranty
We only install high-quality, name-brand batteries that meet or exceed your vehicle manufacturer's specifications. Every battery comes with a full manufacturer warranty so you have peace of mind and protection against defects.
Transparent, Upfront Pricing
We quote the total price before we begin any work, including the battery, installation, and old battery disposal. No surprise charges, no hidden fees, no bait-and-switch tactics. The price we quote is the price you pay.
24/7 Emergency Availability
Batteries fail at the worst times: early mornings, late nights, holidays, and weekends. That is exactly why we operate around the clock, 365 days a year. No matter when your battery dies, we are available to replace it.
Eco-Friendly Battery Disposal
Old car batteries are classified as hazardous waste containing lead and sulfuric acid. We handle the removal and take your old battery to a certified recycling facility at no additional cost, keeping toxic materials out of landfills.
Battery Problems? We Are On the Way.
Do not wait for a tow truck. Our mobile technicians come to you, test your battery, and replace it on the spot. Available 24/7 across San Diego County.
Frequently Asked Questions
Everything you need to know about our battery replacement service
How much does a mobile battery replacement cost in San Diego?
How long does a mobile battery replacement take?
Can you replace the battery in my hybrid or electric vehicle?
How do I know if I need a battery replacement or just a jump start?
What brands of batteries do you install?
Do you dispose of my old battery?
Can you replace batteries for commercial vehicles and fleets?
What if my battery keeps dying even after replacement?
Do you service batteries on weekends and holidays?
Dead Battery?We Replace It On the Spot
Professional mobile battery replacement anywhere in San Diego. Our certified technicians arrive in 15-25 minutes with the right battery for your vehicle. Available around the clock, every day.
More Roadside Services
Need something other than a battery? We offer a full range of emergency roadside services across San Diego County.

