Truck Battery Replacement Sydney — Heavy Duty Batteries for Trucks & Commercial Vehicles
Our team comes to you on the same day, across Sydney’s Inner West and Eastern Suburbs with the right heavy-duty battery for your truck, fitted on the spot so you can get back on the road fast.
- Isuzu, Hino, Fuso, UD Trucks, Kenworth, Mack, Freightliner
- Heavy-duty truck batteries from $245 fitted (see pricing)
- 24-36 month warranty on all truck batteries
- In-store & same-day mobile service available
- No membership fees required
Truck Battery Replacement Service
Whether you’re dealing with a dead battery on a delivery run, a fleet vehicle that won’t start, or you just need a reliable upgrade before your truck lets you down — we’ve got you sorted. No waiting around at a workshop, no guessing if it’s the right fit — we handle everything from diagnosis to installation, 7 days a week.
If you need a truck battery replacement in Sydney, give us a call at 0450 583 699, and we’ll take care of the rest.
- On-site testing and installation
- Isuzu, Hino, Fuso & fleets
- Heavy-duty, powerful CCA
Truck Batteries We Supply
We stock heavy duty batteries designed for the demands of commercial trucking:
- AD55D23L/R — Smaller truck batteries
- AD80D26L/R — Mid-sized truck batteries
- AD95D31L/R batteries — Standard truck batteries
- N100 & N120 batteries — Large capacity for prime movers
- N150 & N200 batteries — Maximum power for heavy applications
- Dual battery systems — For trucks with high electrical demands
Truck Battery Replacement Pricing Sydney
All batteries are ACDelco or equivalent commercial-grade units with proven performance in delivery trucks, tippers, crane trucks, and heavy transport. We match the battery to your truck’s requirements, not just what fits in the tray.
Standard truck battery prices
- AD55D23L/R: $209
- AD80D26L/R: $235
Heavy-duty truck battery prices:
- AD95D31L/R: $269
- N100/N120: From $320
- N150/N200: From $450
Why Truck Batteries Fail in Sydney
Running a commercial vehicle in Sydney means dealing with stop-start traffic, long idle times, and electrical loads that passenger cars never see. Your truck’s battery cops all of it — powering fridges, tail lifts, cabin accessories, and cranking over diesel engines that need serious amps to turn.
Heat’s another issue. Sitting in traffic on Parramatta Road or idling at loading docks in 35-degree weather accelerates battery degradation. Most truck batteries start showing signs of weakness around the 3-year mark, but in Sydney conditions, some don’t make it past two. Warning signs include slow cranking, dimming lights when you turn the key, or needing a jump more than once.
The other thing we see all the time is batteries that weren’t right for the application in the first place. A standard N70 might get your Isuzu NPR going, but if you’re running refrigeration or working long days with minimal engine-on time, you need something with higher reserve capacity. That’s where proper battery sizing comes in, and it’s something we check on every job.
Common Truck Battery Issues We Fix
Dead batteries at depots and job sites — happens more than it should, usually first thing in the morning
Corroded terminals causing starting problems — especially on older trucks where maintenance gets missed
Undersized batteries that can’t handle the electrical load — cheaper isn’t always better
Dual battery setups that aren’t balanced — one strong, one weak, both struggling
Charging system faults draining new batteries — alternator or voltage regulator issues
Batteries damaged by vibration or rough roads — cracked cases, loose internals
We don’t just swap batteries and leave. If your truck’s eating batteries or there’s an underlying issue with the charging system, we’ll pick it up during testing and let you know what’s actually going on.
Truck won’t start? We come to you:
Depot Service
We’ll come to your yard or depot
Roadside assistance
Emergency battery replacement on-site
Same-day service
Get your truck back in operation fast
After-hours available
For urgent commercial needs
Mobile service: $65-$110 during in-store hours
How Our Mobile Truck Battery Service Works
You call, we respond. No booking system, no waiting days for a spot. If you’ve got a truck down in Sydney’s Inner West or Eastern Suburbs, we’ll get to you same day in most cases. Our mobile units carry the common truck battery sizes — N70, AD95D31, N100, N120 — along with testing equipment to check your charging system.
We turn up, test the old battery to confirm it’s done, check the alternator output and voltage regulator, then fit the new battery and make sure everything’s charging properly before we leave. The whole job takes 20 to 40 minutes depending on the truck. Difficult access or dual battery systems take a bit longer, but we’re not talking hours.
You get a receipt, warranty card, and the old battery removed from site. We cover Marrickville, Mascot, Alexandria, Botany, Kingsford, Maroubra, Summer Hill, Ashfield, Burwood, Dulwich Hill, and surrounding areas. If you’re outside our usual zone, give us a call anyway — we’ll let you know if we can reach you.
What To Expect When We Arrive
Once we’re on site, here’s how it goes:
– We test the battery under load to confirm it’s failed
– Check the alternator and charging system for faults Inspect terminals and cables for corrosion or damage
– Remove the old battery and clean the terminal connections
– Fit the new battery and secure it properly
– Test cranking voltage and charging output
– Make sure everything’s working before we pack up
If we find issues beyond the battery — faulty alternator, bad earth, wiring problems — we’ll explain what’s going on and what it’ll take to fix it. No pressure, just straight answers so you can make the call.
Fleet Operators & Commercial Accounts
Run a fleet? We work with transport companies, couriers, construction firms, and local councils across Sydney. Regular servicing, scheduled battery replacements, and priority callouts for breakdowns. Fleet pricing is available for businesses running multiple vehicles. We’ll also keep service records and send reminders when batteries are due for replacement based on age and usage. Takes the guesswork out of maintenance planning.