Mobile Solar & Battery Installation - RV, Caravan, Motorhome, Campervan

From weekend power boosts to complete off-grid setups, we design and install solar panels, lithium battery upgrades, inverters, and charging systems tailored to your travel style. Our mobile technicians handle everything from simple add-ons and system repairs to full 12V electrical installations, with expertise in both RV and marine applications. No workshop visits required - we bring professional installation directly to your location.

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Solar Panel Installation (Fixed Solar Panels & Flexible Solar Panel Options)

High‑efficiency panels matched to your roof space and usage, including fixed solar panels and flexible solar panel solutions where weight, curves, or low profile matter. We pair panels with quality MPPT controllers to maximise yield. If you’re looking for a caravan solar installer in Auckland or a campervan solar installer in Auckland, we provide a mobile service that fits around your schedule; there's no need to move your vehicle across town.

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Lithium & AGM Battery Upgrades for Motorhomes & Caravans

Lithium (LiFePO4) or AGM battery banks sized to your real‑world loads, charging sources and run‑time goals, with DC converters (DC‑DC charging/voltage conversion) where needed for stable charging and safe integration with vehicle or boat power. This includes lithium battery installation and upgrades for caravans and motorhomes in Auckland, along with 12V electrical installation for caravans and motorhomes, with a focus on safe, tidy wiring and sensible layouts rather than large‑scale rewires.

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Inverters, Chargers & 12V Electrical Installation

Pure sine wave inverters, inverter/chargers, shore‑power charging, battery monitoring and tidy upgrades, built for dependable power anywhere, from weekend trips to full‑time living. We size your inverter and charging setup to suit both AC and DC loads.

Our mobile motorhome solar installation in Auckland service is ideal if you want to add a basic inverter for plug‑in use, upgrade your charger, or improve monitoring without doing a full major refit.

Solar System Repairs & Fault Finding

Solar System Repairs & Fault Finding

Professional diagnosis and repair of solar system issues for caravans, motorhomes, campervans and boats across Auckland. From panels not charging properly to faulty wiring, battery problems, or inverter malfunctions, we identify the root cause and provide reliable, long‑lasting repairs using quality components and proven techniques.

Our mobile fault-finding service covers solar panel performance issues, battery charging faults, inverter troubleshooting, wiring inspections, MPPT controller diagnostics and system upgrades to improve reliability. Whether your system has stopped working completely or isn't performing as expected, we bring the expertise and diagnostic tools directly to your location for efficient problem‑solving.

Why TotalTech Power?


We specialise in high‑quality, tidy installs using proven gear—and we treat your RV or boat like our own. As a mobile technician service, we’re a great fit for owners who need a trusted caravan or motorhome solar installer in Auckland for small to medium jobs, upgrades, and repairs.

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RV & Marine Solar Installation Specialists (Built for NZ Conditions)

We focus on robust solar and DC systems for caravans, motorhomes, campervans and boats, including solar installation for all of these vehicles in Auckland. If you’re unsure what you need, we’re happy to help with inspection, advice and fault-finding before you commit to any upgrades.

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Mobile Service. We Come to You (Home, Storage Yard, Marina or Mooring)

Home, storage yard, marina, or mooring access, no need to transport your RV or boat across town. Our mobile motorhome solar installation in Auckland and caravan solar installation in Auckland services are ideal if you’d rather have a technician come to you.

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The Right Components, Matched to Your Needs (Not One‑Size‑Fits‑All)

We recommend the right components based on your goals, budget, roof space and expected power use, so you’re not overpaying for capacity you won’t use (or underbuilding for what you need).

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Safety-First, Standards-Based Installs

Our installs follow key safety principles for RV solar: weatherproof connections, correct cable sizing, secure battery installation with adequate ventilation, plus appropriate circuit protection and isolation for safe maintenance. We follow New Zealand regulations and relevant standards, and where required, we work with qualified electricians for compliance sign-off.

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Tidy Workmanship You Can Trust

Neat cable routing, proper crimping, strain relief, and secure mounting, built to handle vibration and movement. Batteries are installed securely with appropriate ventilation as required for safety.

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Custom Designed (No Cookie-Cutter Kits)

Every RV and travel style is different. We design a system around how you actually use power—charging sources, battery capacity, monitoring, and future expandability.

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Compliance-Aware Approach

We can advise on compliance considerations early in the design so your system is set up the right way from the start.

Featured RV Power Guides

DC‑DC Charging for Campervans & Motorhomes in NZ: What It Does, Why You Need It, and How to Size It

April 17, 2026
Charge while you drive—DC‑DC + MPPT explained, with quick sizing and install guidelines
DC cable size chart for RVs — mm² by amps and round‑trip length at 12V/24V (2–3% voltage drop)

DC Wire Sizes for RVs: mm² vs AWG, Voltage Drop, and Quick-Pick Charts

April 16, 2026
Learn mm² vs AWG, how to size DC cables for RV solar, batteries and inverters, and use quick charts for 12V/24V voltage drop and amp capcity. Mobile installation across Auckland.
Victron SmartShunt

Accurate RV Battery Monitoring for Caravans, Motorhomes and Campervans

April 16, 2026
Learn why a Victron SmartShunt is the best way to monitor RV batteries. What a shunt does, SmartShunt features and VictronConnect setup.

Solar Panels for Caravans & Motorhomes in Auckland

Planning a caravan solar power setup or comparing solar power for caravans and motorhomes in NZ? We design and install efficient systems tailored to your travel style and roof space, fixed or flexible panels with MPPT, lithium (LiFePO4) or AGM batteries with DC‑DC and shore charging, pure‑sine inverters, monitoring, and reliable repairs. Explore our caravan solar panels & 12V installations, motorhome solar systems and campervan solar panel installation. We come to you across Auckland.


  • Custom system design matched to real‑world loads and roof layout
  • Lithium/AGM storage with DC‑DC and shore charging integration
  • Inverters/inverter‑chargers, monitoring, tidy 12V wiring and standards‑based installs


Need solar panels, batteries or inverters installed?

Get a free quote for your custom solar and battery system. We serve the greater Auckland area.