RUNASO RV Service

Certified RV Service Hamilton Based, Ontario Wide Service

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Battery Diagnostics & Replacement

Professional RV battery diagnostics and replacement to assess battery health, identify failure causes, and restore reliable power storage.

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Quick Service​ Overview

Mobile & In-Shop Service

Final Availability may depend on RV size, condition, and access.

  • Hamilton Region (Ancaster, Dundas, Flamborough, Glanbrook, Stoney Creek, Waterdown, Downtown Hamilton, East Hamilton, Mountain)
  • Niagara Region (St. Catharines, Niagara Falls, Welland, Fort Erie, Thorold, Grimsby, Lincoln, Niagara-on-the-Lake, Pelham, Wainfleet, West Lincoln)
  • Halton Region (Burlington, Oakville, Milton, Halton Hills)
  • Peel Region (Brampton, Mississauga, Caledon)
  • Wellington County (Guelph, Fergus, Elora, Centre Wellington, Puslinch)
  • Haldimand County (Caledonia, Cayuga)
  • Brant County (Brantford, Paris)
  • Toronto (Downtown Toronto, North York, Scarborough, Etobicoke, York, East York)

Battery Health Evaluation

Battery condition and performance are assessed.

Failure Cause Identification

We identify age, wear, or charging-related damage.

Battery Replacement

Failed or depleted batteries are replaced.

Common Problems We Fix

Battery problems often present as broader electrical symptoms.

Battery not holding charge

Capacity loss due to age or sulfation.

Slow or weak system operation

Insufficient voltage or current delivery.

Corroded or damaged terminals

Poor connections reduce performance.

End-of-life battery failure

Battery no longer meets load demands.

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Our Solution

RUNASO provides battery diagnostics and replacement focused on testing battery health, verifying compatibility, and restoring proper power storage. We replace batteries based on diagnostic results—without guaranteeing resolution of charging system faults, wiring issues, or power management problems.

Battery Diagnostic Testing

We test voltage, load response, and condition.

Compatibility Verification

Replacement batteries are matched to RV requirements.

Battery Replacement & Setup

Installation and basic connection checks are completed.

What's Included

Battery Inspection & Testing

Assessment of battery condition and performance.

Battery Replacement

Removal of failed battery and installation of replacement.

Post-Replacement Check

Basic power availability is verified.

How The Service Works

Power Symptom Review

We review reported battery-related issues.

Diagnostics & Replacement

Battery testing and replacement are performed.

Final Review

Results and limitations are explained.

Pricing

Battery diagnostics and replacement pricing depends on battery type, capacity, and quantity. Quotes are provided after assessment.

Battery type (lead-acid, AGM, lithium)

Battery quantity

Installation complexity

Terminal and cabling condition

Why Choose RUNASO

RV Battery System Knowledge

Different RVs require different battery solutions.

Diagnostic-First Approach

We replace batteries only when needed.

Clear Scope & Expectations

Service focuses on batteries—not entire power systems.

Testimonials

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Frequently Asked Questions​

This service includes testing battery health, voltage, capacity, and charging behavior, followed by replacing failed or weakened batteries when necessary.
Common RV batteries include lead-acid, AGM, and lithium batteries, each with different performance characteristics and charging requirements.
Common signs include rapid power loss, dim lights, slow slide-out operation, frequent low-voltage warnings, or batteries not holding a charge.
Yes. Weak or failing batteries can affect lighting, water pumps, control boards, slide-outs, and inverter performance.
Diagnostics include voltage testing, load testing, charge acceptance checks, and evaluating charging systems such as converters and inverters.
When batteries have lost capacity or have internal damage, replacement is more reliable than repeated recharging attempts.
Yes. Faulty converters, inverters, or incorrect charging profiles can overcharge or undercharge batteries, shortening their lifespan.
In many cases, yes. Lithium batteries offer longer lifespan, faster charging, and deeper usable capacity, but compatibility must be verified.
Yes. Battery terminals, cables, fuses, and mounting are inspected to ensure safe and efficient power delivery.
Diagnostics are often completed within an hour. Replacement typically takes one to two hours depending on battery type and access.
Yes. Inverters rely on stable battery power. Weak batteries can cause inverter shutdowns or poor AC output.
Inspection is recommended annually, before long trips, after storage, or whenever power performance changes.

Schedule Battery Diagnostics & Replacement

RV batteries play a critical role in powering onboard systems when shore power or generators are unavailable. Battery diagnostics help determine battery condition and performance, while replacement restores power storage when batteries reach end of life—without addressing unrelated charging or electrical system issues.
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