Marine Battery Systems & Installations – Townsville
From outboard cranking to house banks and dual systems, we design and install complete marine power solutions. Century Marine Pro, Supercharge Seamaster & Supercharge All-Rounder stocked in-store — with correct cabling, isolation, charging profiles and corrosion protection for reliable power on the water.
Complete Marine Power Systems
We supply and install premium marine batteries and charging hardware for tinnies, centre consoles, cruisers and trailer boats. Whether you need a simple starting battery or a full dual system with house bank, we build it correctly — so your electrics start first time and your accessories stay powered.
- Starting banks: High CCA cranking for outboards/inboards.
- House banks: Deep-cycle power for sounders, GPS, fridges & lighting.
- Dual systems: VSR/isolator or DC-DC with solar & shore charging.
- Install quality: Tinned cable, adhesive heat-shrink, sealed breakers, tidy routing.
Trusted Marine Brands
Century Marine Pro
Rugged cranking and deep-cycle models built for harsh marine conditions.
Supercharge Seamaster
Reliable marine cranking with strong CCA and vibration resistance.
Supercharge All-Rounder
Dual-purpose starting & cycling — ideal for small boats and accessories.
Our Marine Service
Expert testing, specification and installation — built for salt, vibration and heat. From outboard starting batteries to dual house systems with shore and solar charging, we deliver reliable power on the water.
Diagnostic & System Review
Load testing, charge checks and a visual inspection of cabling, terminations and isolation. We size the battery/bank to real use, not guesswork.
Battery Sizing & Spec
Correct CCA for outboards/inboards and Ah capacity for house loads. AGM/Lithium options with temperature-aware profiles.
Professional Installation
Tinned cable, proper gauge, sealed breakers, labelled distribution and tidy routing with strain relief.
Corrosion Protection & Looming
Adhesive heat-shrink lugs, dielectric protection, drip loops and abrasion sleeves for longevity.
Charging Setup & Programming
MPPT solar, 2/3-bank shore chargers and DC-DC/alternator profiles programmed for your chemistry.
Sea-Test & Handover
Volt drop verification, charge-rate confirmation and on-water function check where practical; app/shunt monitor walkthrough.
Why Choose Townsville Wholesale Batteries?
Local Marine Know-How
We build for Townsville heat, salt and vibration — not lab conditions.
Stocked Brands
Century Marine Pro, Supercharge Seamaster & All-Rounder ready to install.
Clean, Serviceable Work
Neat panels, labelled circuits and accessible fuses for easy servicing.
Upgrades & Fault-Finding
Fix parasitic drains, failed isolators and poor terminations. Replace aged chargers and wiring.
Warranty-Backed
Manufacturer warranties plus workmanship guarantee for peace of mind.
Marine Systems We Build
Dual Battery Systems
VSR or DC-DC isolation with correct charge profiles for AGM/Lithium.
House Banks
70–200Ah+ deep-cycle capacity for sounders, GPS, fridges and lighting.
MPPT Solar Integration
Bimini/roof panels feeding the house bank with proper regulation.
2/3-Bank Shore Charging
Maintain starter and house batteries individually when parked or moored.
Monitoring & Protection
Bluetooth/shunt monitors, low-voltage cut-outs and fused distribution.
Talk to Our Marine Team
Century Marine Pro • Supercharge Seamaster • Supercharge All-Rounder • Correct charging & isolation • Tinned cable • Sealed breakers • Warranty-backed