Service Department
Battery Replacement
A dead battery ends your day before it starts. Thomas Marine stocks and installs quality marine batteries for every application — starting, deep-cycle, dual-purpose, and trolling motor — and verifies the charging system so the new battery actually lasts.
What's Included in a Battery Service
It's more than swapping a box. We inspect terminals, cables, the charging system, and battery boxes to make sure everything is right before you leave.
- Starting, deep-cycle, and dual-purpose marine batteries in stock
- Trolling motor and dual-bank system installations
- Terminal cleaning and corrosion treatment
- Cable condition inspection
- Charging system output verification
- Old battery responsibly recycled
Why Choose Thomas Marine?
Don't get stranded with a dead battery on the water. Thomas Marine in Georgetown, SC will have you back running the same day.
Our Process
Simple. Transparent. Professional.
Request Service
Call us or send a message with details about your boat and what you need. We respond fast.
Inspection & Diagnosis
We inspect and assess your boat thoroughly, identifying exactly what needs to be done and why.
Estimate & Approval
You receive a clear, honest estimate before any work begins. No surprises.
Service Completion
Work is completed to a high standard. We walk you through what was done before you leave.
Schedule Battery Replacement
Pick a preferred drop-off date — our team will confirm availability before your appointment is finalized.
Step 1: Schedule Your Drop-Off
Battery Replacement
Select your preferred drop-off date
Thomas Marine will confirm your appointment after reviewing shop availability, part availability, and service needs. Closed Sundays.
June 2026
Book a Battery Service
Call us or send a message — we'll get back to you fast with an honest assessment.