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Mobile power

Plan a 12 V power system for an RV or van.

Start with what you want to power, how often you drive, the available roof area, and where the battery will be installed. Enerwav sells several of the main components, but not a complete RV kit.

Choose a systemBrowse 12 V batteries

If every appliance can run on 12 V DC, you may not need an inverter. Choose the battery and charging equipment only after checking cable length, fuses, distribution, and mounting.

How a 12 V system connects

  1. Alternator
  2. Solar array
  3. Charge control
  4. Main fuse
  5. 12 V battery
  6. Shunt monitor
  7. DC distribution
  8. Lights, fan, pump, USB
Available from EnerwavNot yet stocked by Enerwav

Your power needs

Choose what the system needs to do.

  1. 01

    Maintain a stored battery

    Solar maintenance for supported batteries during storage.

    See battery maintainers
  2. 02

    Run DC lights, fans, pumps, USB and controls

    Use this setup when every listed appliance runs on 12 V DC. No inverter is needed.

    See the 12 V DC setup
  3. 03

    Add 120 V appliances or shore charging

    List every 120 V appliance and its starting power before choosing an inverter.

    See the 120 V requirements

12 V DC system

Power the 12 V loads first.

For lights, fans, pumps, USB, and controls, start with the 12 V DC appliance list. Enerwav sells chargers and batteries for this use. The parts needed for a complete protected installation are listed below.

Charge while driving

SRNE DCI12-1230

12 V to 12 V, 30 A DC-to-DC charger

SRNE DCI12-1230 DC-to-DC charger

Confirm the vehicle, alternator type, and ignition signal before ordering.

View product

Choose storage

NITRO 12.8 V LiFePO4 range

Available capacities from 20 Ah to 300 Ah

NITRO NLI-12V24I 12.8 V lithium iron phosphate battery

Check the battery's charge and discharge limits against every charger and appliance.

Compare batteries

Add solar charging

Victron SCC115060211

SmartSolar MPPT 150/60-Tr

Victron SmartSolar MPPT 150/60-Tr solar charge controller

Match the controller current and solar-panel wiring to the battery.

View controller

Connect system data

Victron BPP900450110

Cerbo GX MK2 gateway

Victron Cerbo GX MK2 system gateway

A gateway does not replace a shunt-based battery monitor.

View gateway

Parts Enerwav does not yet stock

  • 100 to 200 W mobile module
  • Shunt monitor
  • Main fuse and holder
  • Battery switch
  • Covered DC distribution
  • Cable and lug set
  • Battery box or restraint
  • Roof entry and mounts
Available from EnerwavNot yet stocked by Enerwav

Information to collect

Write down these details before choosing products.

The vehicle and appliance list determine the system. A kit label is not enough.

  1. 01

    Vehicle and alternator

    Year, make, model, alternator type, and any existing converter.

  2. 02

    DC and AC loads

    Watts or amps, hours per day, starting surge, and simultaneous use.

  3. 03

    Charging sources

    Driving time, roof solar, shore service, and generator.

  4. 04

    Battery installation

    Location, cable lengths, ventilation, restraint, and winter temperature.

  5. 05

    Runtime target

    Hours or days between charging opportunities.

  6. 06

    Installation path

    Who will design, install, inspect, commission, and service the system.

Example calculation only

Worked example

RV reference load

Assumptions

  1. 1,600 Wh used each day
  2. 4.0 peak sun hours and a 0.78 derate
  3. 1.5 autonomy days at 90% usable lithium depth
  4. 12 V battery bank

Calculation

  1. 1,600 ÷ (4.0 × 0.78) = about 510 W of array
  2. 500 ÷ 12 × 1.25 = about 52 A of controller current
  3. 1,600 × 1.5 ÷ 0.90 = about 2,700 Wh of storage

Result:About 510 W of array and 2.7 kWh of storage before roof, weather, battery, and charge-source checks.

Sources and assumptions (2)
  • Enerwav sizing rules reviewed on 2026-07-27.
  • Product records and specifications are checked again at quote.
Read the full method

Before installation

A qualified installer must complete these checks.

Vehicle modification

A qualified installer must approve any change to the vehicle.

Canadian product acceptance

Approval marks on individual products do not approve the finished installation.

Final fuse and cable design

The installer must size the final fuses and cables.

Inspection and commissioning

The installer must inspect, test, and approve the completed system.

Plan the system

Send the appliance list before buying equipment.

Enerwav will identify compatible products, the information still needed, and the parts it does not yet stock.

Send my system detailsBrowse the full shop

Common questions

What to know before choosing equipment.

Will a 440 W panel fit my RV roof?

It depends on the roof. Measure clear area, weight limits, shade, mounting points, and travel height first.

Do I need alternator charging?

Many travel patterns benefit from it, but the charger must match the alternator, battery chemistry, and wiring.

Can one battery run a 3,000 W inverter?

Do not assume one battery is enough. Victron recommends a 400 to 1,200 Ah bank for the current 12 V model. A qualified installer must size the battery, cables, fuse, and disconnect.

Does Enerwav sell everything needed for an RV system?

No. The catalogue lists batteries, a 30 A DC-to-DC charger, a 60 A solar controller, a 3 kVA inverter-charger, and a system gateway. Enerwav does not yet stock every part needed for a complete installation.