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Solar Books provides the technically correct, up-to-date information for anyone wanting to design and install stand-alone or grid connected solar for homes or properties.

If you find this site useful you will find our books even more so.  They are all available in a number of formats designed to make them as useful as possible as reference guides for all your travels.  As well as a paperback version there are versions for Kindle, Nook, Kobo and for all Apple devices.

The information on this site is provided without charge, without sponsorship and without advertising.  All our activities are funded by sales of our books.

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At rvbooks.com.au you’ll find over 100 exclusive articles dealing with the intricacies of Caravans and Motorhomes.  RV Books is one of a very few places on the internet to get reliable, unbiased and un-bought information to help you take your home on the road.

Featured article

RV Solar Basics

updated June 2019

RV Solar Basics

Getting started with solar.

Introduction

Until 2010, solar modules were so costly that intending users did complex sums to minimise the amount of solar input required. Those days have gone: solar is now so cheap (10% of that 2010 price) that the only (RV) limitation today is the space available for solar modules. It is not possible to have too much: ample solar prolongs battery life and ensures at least some output during overcast days. There is no risk of overcharging, nor overloading the associated solar regulator: that regulator simply blocks the excess current.

How Much Power Will Solar Generate?

Excluding Australia’s mid-winter down south, you can realistically expect an input of 140 watts per square metre of solar module area (over a typical 3-5 hours a day) during most of summer. The solar irradiation of Sydney and north of Sydney may exceed 180 watts a square metre. Daily input varies – but for RVs used mostly outside the three winter months, assume 180 watts a square metre for 3-5 hours. Excluding the lower part of the southern island in mid-winter New Zealand (and Tasmania) has about 160 watts a square metre during the same time period.

Solar input in tropical areas (when not raining) is, to many peoples’ surprise, much the same as above – but most of the year round. This is because atmospheric humidity absorbs part of the irradiation. Furthermore, almost all solar modules dislike heat. As explained in greater detail below, they work best when very cold

A further issue in tropical areas is it also stays hot all night. Electric fridges only barely work in these areas because there is insufficient power to drive them. Moreover, warm beer on a hot Darwin night is unthinkable.

Solar Module Types

Solar modules convert light into electrical energy. A good quality 12 volt solar module has 36 cells. Each cell’s efficiency is 14% – 21%, but when all are interconnected, the resultant module’s overall efficiency is around 17% for poly-crystalline and about 19% for premium quality mono-crystalline modules (a few are now much the same). Despite this, most solar module makers claim that higher (cell) output.

Both types are heat sensitive: they lose about 5% for each 10 degrees C increase in ambient temperature. Amorphous cells are not heat sensitive but are less efficient, hence larger per watt. Most solar modules weigh about 1 kg per 10 watts but the latest hybrid modules weigh only a third of that.

Apart from claimed efficiency, due to heat and other losses, solar module output is usually 20%-30% less than claimed on the packing. The maximum output is revealed but in technical units.

Only a few solar cell makers assemble complete modules. A vast number of small companies assemble most from cells made by these companies. Quality can only be totally assured by buying a major brand product from any of the widely recognised top ten. They are – in alphabetical order:

Canadian Solar, EGing PV,  Hareon Solar, JA Solar, Jinko Solar, ReneSola, Trina Solar, Suntech Solar, Tunto Solar and Yingli Solar. read more…

Articles by category

Home systems

  • All solar house – self-building an off-grid all solar house

    We self-built our all solar house in Australia’s far north. It is beautiful and practicable. Living with solar alone is 100% possible. Here’s how and why.

  • Battery capacity required for home and property solar

    This article explains the battery capacity required for home and property solar during periods when there is no solar or other energy input. Solar capacity is now cheap. Battery capacity is increasingly costly. Quality solar modules produce usable energy even under light cloud. Install as much solar as you can. This ensures batteries fully charge ...

  • Best Batteries for Stand-Alone Solar

    Knowing the best batteries for stand-alone solar saves huge sums. This solarbooks.com guide explains how and why. It’s all to do with having enough energy and having enough power. Energy and power, however, are different concepts. For stand-alone solar it is mostly energy, not power, that matters.

  • Convert to your own all solar home

    This vital easy to read guide shows you how to convert to your own all solar home at minimal cost. You can readily do this in much of the world between 50-degree latitudes north/south. This easy to read article shows that doing so can save you thousands of dollars. 

  • Ensuring Successful Solar

    Our all solar house was self-built in five months. Hi-tech construction resulted in a superb and workable waterfront home in Australia’s remote far north. It was even built using mainly solar energy. Here’s how we did it.

  • Fuel cells for homes and properties

    Fuel cells for homes and properties provide clean silent electricity. High current prices hinder their acceptance, but this may soon change. Fuel cells enhance solar. Furthermore, they may all but eliminate our need for battery storage. Fuel cells hugely reduce harmful emissions.

  • Generators for Home and Property Systems

    A backup generator is close to essential for home and property stand-alone solar. You can choose to down without but doing so may triple the cost of that system.

  • Going off the electricity grid

    We’ve recently upgraded our system. It now produces three to four times more electricity than we use on almost all days. We are thus not entirely free of the grid – but have yet to draw from it. At night, (or when overcast) we run from battery power. During each day we sell 15-30 kWh ...

  • Grid connect solar problems – what vendors may not reveal

    Grid connect solar problems include, false promotion and vendor claims, incompetent installation etc. Here’s what vendors may not tell you.

  • Have portable solar in your rented home

    It is often feasible to have portable solar in your rented home. Here’s how to do it simply, safely, legally and cheaply using readily bought parts. It requires space that faces the sun for some daylight hours year-round. It must also be within 50 degrees latitude north or south. You use high efficiency maximum-size solar ...

  • How much solar input – here’s how to find out

    Knowing how much solar input is coming in like measuring rainfall. It uses units called Peak Sun Hours instead of inches or millimetres. Here’s how and why.

  • How to stop paying for electricity

    We always wanted to stop paying for electricity, and now we have.  It getting easier to free yourself from dependence on the grid. We decided against going off grid. Why waste excess electricity when someone is willing to pay for it!

  • Inverters for Homes and Properties

    Inverters for homes and properties convert the typical 24 or 48 volt battery bank’s output into grid-like 110 or 230 volt alternating current. Consider only those marketed as sine-wave (not modified sine wave etc). High quality sine wave inverters produce electricity that is ‘cleaner’ than the average grid supply. Other types do not. Their output  is ...

  • Living with solar – how make it all work

    Living with solar successfully requires being totally aware of the energy you use. Here’s a general guide to how to make it all work.

  • Problems with stand-alone solar – much applies also to RVs

    Problems with stand-alone solar include over-selling, vendor claims, poor installation etc. Here’s plain English answers to the most common questions.

  • Refrigerators for Home and Property Solar

    Knowing refrigeration basics is vital! Doing so can literally save you thousands of dollars on the energy needed to drive them.

  • Solar charging your electric car at home

    Charging your electric car at home or work is already totally feasible from a standard grid connection. Many already do so. Small electric cars, such as a Nissan Leaf, require a usually existing standard 230 volt ac 15 amp power point and a power cable that plugs into the car’s on-board charge.

  • Solar Modules for Homes and Properties

    Top quality solar modules for homes and properties catch 18% to 20% of the solar energy available. This is typically 140 watts-180 watts per square metre in full sun from about 10 am to 2 pm. Input tapes off before and after. The most efficient are priced accordingly.

  • Solar Regulators for Home and Property Systems

    Solar regulators for home and property systems manipulate the energy that solar modules produce. They connect between solar modules and the rest of the system and ensure batteries are optimally charged. Most solar regulators for home and property accept a range of solar input voltage: typically 12 – 110 volts dc.

  • Solar Shadowing – reducing the losses

    Solar shadowing is like blocking a water pipe. If one cell is fully shadowed, it does not just block current through that cell, it blocks the entire string. Because of this, only a few shadowed cells can block your total solar output. If partially shadowed, (e.g. by light cloud) the loss is proportional to the amount of sunlight ...

  • TOP TEN SOLAR SCAMS

    Some solar scams are widespread while others are rare. It’s vital to keep yourself informed. Here are 10 scams. There are more to come.

  • Upgrading an existing solar system has unexpected traps

    Upgrading an existing solar system has unexpected traps. It is often better to scrap, use elsewhere, or attempt to sell that existing, and install a new one. This is particularly so with grid-connect systems and doing so with stand-alone systems is still tricky.

  • Vital things about solar in the USA

    This excellent USA system assisted USA’s residential and commercial solar installation to increase by over 1,600% since 2006. That’s a compound annual growth of 76%. It enables home-owners to use the credit to offset their personal income tax. It applies when home-owners buy the systems outright and have them installed on their homes. In the ...

RV systems

  • Are Lithium-ion Batteries Worth Their Price – homes and properties

    There are various types of lithium-ion batteries. Those used for homes, properties and RVs are usually LiFePO4. All are about one-third of the bulk and weight of traditional batteries. Here, however, direct comparison ceases. LiFePO4s have far less limits on depth of discharge. They can be routinely discharged to 20% remaining.

  • Battery capacity required for cabins and RVs

    Solar and battery capacity required for cabins and RVs is usually limited. As with homes and properties always have maximum solar capacity. Consider using LiFePO4 batteries as 80% of their nominal capacity is available. LiFePO4 batteries are also light and compact. Lead acid and AGMs, however, are fine for converted coaches. For those, size and weight ...

  • Battery Charging Quickly and Deeply by a Generator

    Battery charging quickly and deeply by a generator is very possible but only if you know how it has to be done. This article shows why and how.

  • Fuel cells for RVs

    Fuel cells for RVs provide electricity cleanly and silently. Their high price is still hindering acceptance but that may well change as new types are being developed. Most use hydrogen derived indirectly from methanol.

  • Generators for Cabins and RVs

    Generators for cabins and RVs vary hugely in noise level, peak and continuous output. Price and quality varies likewise. Here’s how and what to choose. The main need for generators for cabins and RVs is to power compressor fridges, LED lights and charge small computers and mobile phones. Some also backup solar – ideally via associated ...

  • Grid connect solar modules for RVs – here’s how you can use them

    Using grid connect solar modules for RVs is readily done but needs an MPPT regulator. This article by Collyn Rivers explains how and why it is done.

  • Have portable solar in your rented home

    It is often feasible to have portable solar in your rented home. Here’s how to do it simply, safely, legally and cheaply using readily bought parts. It requires space that faces the sun for some daylight hours year-round. It must also be within 50 degrees latitude north or south. You use high efficiency maximum-size solar ...

  • Inverters for Cabins and RVs

    Inverters convert both solar and alternator output into 110 or 230 volts ac for your cabin or RV’s grid voltage appliances.

  • Inverters for caravans – and motor homes too

    Buying inverters for caravans can confuse. Prices vary for products that may seem identical but are not. Here’s what to buy.

  • Lithium-ion batteries in RVs – they are safe to use

    Lithium-ion batteries in RVs – they are safe to use. They deliver a lot of energy and pack a lot of power but need specialised knowledge to use safely and reliably. Here’s how and why for the LiFePO4 variety.

  • Our Solar Equipped RVs

    Our first solar equipped RV was a rare 1974 Westfalia VW Kombi. We added a single 80 watt Solarex solar module (that then cost $650!). It charged a 100 Ah lead acid deep cycle battery. It (plus the alternator) powered two 20 watt halogen lights, and a 40 watt Engel fridge. All proved to be ...

  • Our solar equipped RVs – all proved a major success

    We personally drove our solar equipped RVs some 130,000 km over most of Australia’s inland dirt tracks. Nothing failed in that distance (and 20 years).

  • Problems with stand-alone solar – much applies also to RVs

    Problems with stand-alone solar include over-selling, vendor claims, poor installation etc. Here’s plain English answers to the most common questions.

  • Refrigerators for cabins and RVs

    Refrigerators for cabins and RVs can be LP gas or electrically-powered (ideally by solar). Cabins usually have roof space for the 200-300 watts solar capacity required. Also feasible are portable solar modules placed outside when you use the cabin.  RVs less available space for solar modules. Buy only the efficient monocrystalline.

  • RV electrical work – Victorian exception

    A licence is required in Australia for electrical installations over 50 volts ac. Victoria claims that RVs are not electrical installations and thus exempt. It accordingly classifies RVs (legally) as ‘plug-in appliances’. Furthermore, it states that licensing is outside its jurisdiction.

  • RV Solar and Alternator Charging

    You can make RV solar and alternator charging work. It is complex on post-2014 vehicles. This ongoingly updated article explains how. 

  • Solar Basics You Need to Know

    This article by Collyn Rivers outlines the solar basics you need to know to ensure your self-built solar works first time and every time – at minimal cost.

  • Solar input available for caravans – know that available and increase it too

    Knowing the solar input available for caravans is vital, especially up north. This article shows how to know that available and increase it too.

  • Solar Modules for Cabins and RVs

    For RVs in particular, space for solar modules is usually at a premium. It is thus best to use solar for lighting, water pumping, TV, laptop computer. If using solar keep compressor fridge below about 220 litres. Use LP gas (or diesel) for heating and cooking. Buy the most efficient solar modules on the market. They ...

  • Solar Regulators for RVs

    Solar regulators for RVs accept whatever output is produced by the solar array. They optimise that to whatever needed for optimal charging. Most solar regulators for RVs also accept input from the RV’s alternator.

  • Solar regulators with current shunts – how to fix misleading readings

    Updated May 2017 Solar Regulators with Current Shunts If connected incorrectly, solar regulators with current shunts can register twice the true solar input.  Here’s why – and how to fix it. Some years ago a magazine article outlined a solution to a non-existent problem. That Australia’s sun can produce excess output that overheats solar regulators. It quoted a ...

  • Using correct size cables for RVs is essential

    Using correct size cables for RVs is essential. Get it wrong and your fridge may not cool nor batteries fully charge for the entire life of your RV. Anyone sufficiently capable can legally cable RVs and cabins as long as no part involves grid voltage. This article outlines why.

  • Vital things about solar in the USA

    This excellent USA system assisted USA’s residential and commercial solar installation to increase by over 1,600% since 2006. That’s a compound annual growth of 76%. It enables home-owners to use the credit to offset their personal income tax. It applies when home-owners buy the systems outright and have them installed on their homes. In the ...

Batteries

  • Are Lithium-ion Batteries Worth Their Price – homes and properties

    There are various types of lithium-ion batteries. Those used for homes, properties and RVs are usually LiFePO4. All are about one-third of the bulk and weight of traditional batteries. Here, however, direct comparison ceases. LiFePO4s have far less limits on depth of discharge. They can be routinely discharged to 20% remaining.

  • Battery Breakthrough

    An Australian development may make battery storage cheaper and safer.

  • Battery capacity required for cabins and RVs

    Solar and battery capacity required for cabins and RVs is usually limited. As with homes and properties always have maximum solar capacity. Consider using LiFePO4 batteries as 80% of their nominal capacity is available. LiFePO4 batteries are also light and compact. Lead acid and AGMs, however, are fine for converted coaches. For those, size and weight ...

  • Battery capacity required for home and property solar

    This article explains the battery capacity required for home and property solar during periods when there is no solar or other energy input. Solar capacity is now cheap. Battery capacity is increasingly costly. Quality solar modules produce usable energy even under light cloud. Install as much solar as you can. This ensures batteries fully charge ...

  • Battery Charging Quickly and Deeply by a Generator

    Battery charging quickly and deeply by a generator is very possible but only if you know how it has to be done. This article shows why and how.

  • Best Batteries for Stand-Alone Solar

    Knowing the best batteries for stand-alone solar saves huge sums. This solarbooks.com guide explains how and why. It’s all to do with having enough energy and having enough power. Energy and power, however, are different concepts. For stand-alone solar it is mostly energy, not power, that matters.

  • Connecting caravan batteries – there’s no magic way of doing it!

    Connecting caravan batteries is often misunderstood. This article explains what’s possible, and why and how to do it successfully.

  • Interconnecting batteries in series or parallel- here’s how and why

    Interconnecting batteries in series or parallel is totally feasible. But its best to know how it works – and the limitations of each. Collyn Rivers explains.

  • Inverters for caravans – and motor homes too

    Buying inverters for caravans can confuse. Prices vary for products that may seem identical but are not. Here’s what to buy.

  • Lithium-ion batteries in caravans and motor homes – their safety and usage

    Lithium-ion batteries in caravans and motor homes pack a lot of energy but need specialised knowledge to use safely and reliably. Here’s how and why – and how to install and use them.

  • Lithium-ion batteries in RVs – they are safe to use

    Lithium-ion batteries in RVs – they are safe to use. They deliver a lot of energy and pack a lot of power but need specialised knowledge to use safely and reliably. Here’s how and why for the LiFePO4 variety.

  • Solar regulators with current shunts – how to fix misleading readings

    Updated May 2017 Solar Regulators with Current Shunts If connected incorrectly, solar regulators with current shunts can register twice the true solar input.  Here’s why – and how to fix it. Some years ago a magazine article outlined a solution to a non-existent problem. That Australia’s sun can produce excess output that overheats solar regulators. It quoted a ...

  • What Peukert really meant – but is so often misunderstood

    Peukert’s Law, describing battery capacity, became misunderstood following a flawed US article in the mid 1980s. Here’s what Peukert really meant.

Legal & Compliance

  • RV electrical work – Victorian exception

    A licence is required in Australia for electrical installations over 50 volts ac. Victoria claims that RVs are not electrical installations and thus exempt. It accordingly classifies RVs (legally) as ‘plug-in appliances’. Furthermore, it states that licensing is outside its jurisdiction.

Health & Safety

  • Using correct size cables for RVs is essential

    Using correct size cables for RVs is essential. Get it wrong and your fridge may not cool nor batteries fully charge for the entire life of your RV. Anyone sufficiently capable can legally cable RVs and cabins as long as no part involves grid voltage. This article outlines why.

General

  • Are Lithium-ion Batteries Worth Their Price – homes and properties

    There are various types of lithium-ion batteries. Those used for homes, properties and RVs are usually LiFePO4. All are about one-third of the bulk and weight of traditional batteries. Here, however, direct comparison ceases. LiFePO4s have far less limits on depth of discharge. They can be routinely discharged to 20% remaining.

  • Convert to your own all solar home

    This vital easy to read guide shows you how to convert to your own all solar home at minimal cost. You can readily do this in much of the world between 50-degree latitudes north/south. This easy to read article shows that doing so can save you thousands of dollars. 

  • Energy and Power

    LiFePO4 batteries are the Svetlanas of the solar world. Lead acids and AGMs are the equivalents of young children. Costly batteries can release a great deal more power but, unless you truly need it, buying them is like hiring a weightlifter to stack those cans. If lead acid (and even more so AGM) battery bank exceeds about 350 ...

  • Ensuring Successful Solar

    Our all solar house was self-built in five months. Hi-tech construction resulted in a superb and workable waterfront home in Australia’s remote far north. It was even built using mainly solar energy. Here’s how we did it.

  • Generators for Cabins and RVs

    Generators for cabins and RVs vary hugely in noise level, peak and continuous output. Price and quality varies likewise. Here’s how and what to choose. The main need for generators for cabins and RVs is to power compressor fridges, LED lights and charge small computers and mobile phones. Some also backup solar – ideally via associated ...

  • Generators for Home and Property Systems

    A backup generator is close to essential for home and property stand-alone solar. You can choose to down without but doing so may triple the cost of that system.

  • Going off the electricity grid

    We’ve recently upgraded our system. It now produces three to four times more electricity than we use on almost all days. We are thus not entirely free of the grid – but have yet to draw from it. At night, (or when overcast) we run from battery power. During each day we sell 15-30 kWh ...

  • Have portable solar in your rented home

    It is often feasible to have portable solar in your rented home. Here’s how to do it simply, safely, legally and cheaply using readily bought parts. It requires space that faces the sun for some daylight hours year-round. It must also be within 50 degrees latitude north or south. You use high efficiency maximum-size solar ...

  • How much solar capacity do I need?

    How much solar capacity do I need This article answers how much solar capacity do I need. It’s valid anywhere in the world that has enough sun. It can save you a lot of money. The map below shows the amount you typically have available. Generally, solar is readily feasible where the daily amount exceeds 3.5. It ...

  • How much solar energy available?

    A guide to your most probable solar input where and when – in any part of the world

  • How much solar input – here’s how to find out

    Knowing how much solar input is coming in like measuring rainfall. It uses units called Peak Sun Hours instead of inches or millimetres. Here’s how and why.

  • How to stop paying for electricity

    We always wanted to stop paying for electricity, and now we have.  It getting easier to free yourself from dependence on the grid. We decided against going off grid. Why waste excess electricity when someone is willing to pay for it!

  • Inverters for Homes and Properties

    Inverters for homes and properties convert the typical 24 or 48 volt battery bank’s output into grid-like 110 or 230 volt alternating current. Consider only those marketed as sine-wave (not modified sine wave etc). High quality sine wave inverters produce electricity that is ‘cleaner’ than the average grid supply. Other types do not. Their output  is ...

  • Our Solar Equipped RVs

    Our first solar equipped RV was a rare 1974 Westfalia VW Kombi. We added a single 80 watt Solarex solar module (that then cost $650!). It charged a 100 Ah lead acid deep cycle battery. It (plus the alternator) powered two 20 watt halogen lights, and a 40 watt Engel fridge. All proved to be ...

  • Problems with stand-alone solar – much applies also to RVs

    Problems with stand-alone solar include over-selling, vendor claims, poor installation etc. Here’s plain English answers to the most common questions.

  • RV Solar and Alternator Charging

    You can make RV solar and alternator charging work. It is complex on post-2014 vehicles. This ongoingly updated article explains how. 

  • RV Solar Basics

    Until 2010, solar modules were so costly that intending users did complex sums to minimise the amount of solar input required. Those days have gone: solar is now so cheap (10% of that 2010 price) that the only (RV) limitation today is the space available for solar modules.

  • Solar Basics You Need to Know

    This article by Collyn Rivers outlines the solar basics you need to know to ensure your self-built solar works first time and every time – at minimal cost.

  • Solar charging your electric car at home

    Charging your electric car at home or work is already totally feasible from a standard grid connection. Many already do so. Small electric cars, such as a Nissan Leaf, require a usually existing standard 230 volt ac 15 amp power point and a power cable that plugs into the car’s on-board charge.

  • Solar Regulators for Home and Property Systems

    Solar regulators for home and property systems manipulate the energy that solar modules produce. They connect between solar modules and the rest of the system and ensure batteries are optimally charged. Most solar regulators for home and property accept a range of solar input voltage: typically 12 – 110 volts dc.

  • Solar Shadowing – reducing the losses

    Solar shadowing is like blocking a water pipe. If one cell is fully shadowed, it does not just block current through that cell, it blocks the entire string. Because of this, only a few shadowed cells can block your total solar output. If partially shadowed, (e.g. by light cloud) the loss is proportional to the amount of sunlight ...

  • TOP TEN SOLAR SCAMS

    Some solar scams are widespread while others are rare. It’s vital to keep yourself informed. Here are 10 scams. There are more to come.

  • Vital things about solar in the USA

    This excellent USA system assisted USA’s residential and commercial solar installation to increase by over 1,600% since 2006. That’s a compound annual growth of 76%. It enables home-owners to use the credit to offset their personal income tax. It applies when home-owners buy the systems outright and have them installed on their homes. In the ...

  • What Peukert really meant – but is so often misunderstood

    Peukert’s Law, describing battery capacity, became misunderstood following a flawed US article in the mid 1980s. Here’s what Peukert really meant.

Recently updated articles

RV Solar Basics

Until 2010, solar modules were so costly that intending users did complex sums to minimise the amount of solar input required. Those days have gone: solar is now so cheap (10% of that 2010 price) that the only (RV) limitation today is the space available for solar modules.

How much solar capacity do I need?

How much solar capacity do I need This article answers how much solar capacity do I need. It's valid anywhere in the world that has enough sun. It can save you a lot of money. The map below shows the amount you...

Solar charging your electric car at home

Charging your electric car at home or work is already totally feasible from a standard grid connection. Many already do so. Small electric cars, such as a Nissan Leaf, require a usually existing standard 230 volt ac 15 amp power point and a power cable that plugs into the car’s on-board charge.

Solar Success explains how to design and build home and property systems that ensures affordable solar success first and every time.

Making renewable solar energy work effectively involves more than purchasing lots of solar panels.  It’s a process that involves reduced consumption, energy efficiency and effective use of technology.  This book covers all those topics and more.

Whether you’re building a new home or adding solar to an existing structure, this is the one book you can’t afford to be without.

learn more

Solar Success book explains how to design and build home and property systems that ensures affordable solar success first and every time.

Whether you’re building a new home or adding solar to an existing structure, this is the one book you can’t afford to be without.

learn more

Caravan & Motorhome Electrics is the totally rewritten successor to the original globally selling Motorhome Electrics. The book’s content now also covers every aspect of designing, installing and fault finding of the electrics in fifth wheel and conventional caravans, camper trailers and motorhomes.

learn more

Solar That Really Works! explains, in clear English, every detail of designing and installing solar in boats, camper trailers, caravans and motorhomes. It is up-to-date, valid globally and technically accurate. Like all of Collyn Rivers’ books it is written in plain English.

learn more

Want to find out more? Our books cover all these topics and a lot more.  Click on a book to find out more.

Solar Success book explains how to design and build home and property systems that ensures affordable solar success first and every time.

Solar That Really Works! explains every detail of designing and installing solar in boats, camper trailers, caravans and motorhomes.

Caravan & Motorhome Electrics covers every aspect of designing, installing and fault finding of the electrics in fifth wheel and conventional caravans, camper trailers and motorhomes.

Solar Success

Solar Success is a unique, plain English, complete guide to understanding, designing and installing stand-alone and grid connect solar for homes and properties anywhere in the world.

Alan T. Gray

Earth Garden Magazine

Caravan & Motorhome Electrics

Collyn Rivers has done it again! – if you need to know anything about motorhome electrics, then this book is for you…

Collyn must be, without doubt, the foremost authority in Australia on this subject.

The Wanderer (Campervan & Motorhome Club of Australia Ltd)

Solar that Really Works!

Collyn is an accomplished engineer who knows how to design and build successful systems. It is refreshing to see practical advice written in plain language when there is so little solar information around. . . this is an essential text . . . you won’t find a better guide.

Alan T. Gray

Earth Garden Magazine

Collyn Rivers

Collyn Rivers has put his encyclopaedic knowledge into print . . . there is virtually no issue he hasn’t covered. Certainly his engineering background is a superb credential but best of all Collyn has done it all himself.

Caravan World