Complete Solar Power kits

Solar Power Kits are fast becoming the best way to choose the right Solar Power System without having to source and research all the parts yourself.

Not only are they easy to set up they are also easier to install for installers, ensuring you have all the parts needed.

Here is what we are going to cover in this guide:

What is a Solar Power Kit?

Put simply, a Solar Power Kit is a collection of components can be used to install and run a Solar Power System for commercial or residential properties, here are the basic components that you can expect in most Solar Power Kits.

Solar Panels

Solar panelProbably the most distinguishable component of all the  Solar Panel is a fundamental part of the whole kit , without this piece you won’t be able to get energy from the sun.

The Photovoltaic Cell  converts photons that come directly from the sun and transforms it into electricity  , you can read more about Solar Panels here.

One of the main things to note with Solar Panels is that they come in different sizes and 2 main types.

Panel Sizes

Sizes vary but the most popular range between 275w and 330w, which is size is the right size?

The simple answer is how much energy do you want to produce (capture) from the sun. A lot depends on the total number of watts you’re looking to produce if you have, here’s how it works out:

9 times 330w panels equal 2970 watts total. Make sense?

Or, you could have 10 times 275w panels equals 2750 watts total.

It all depends on the overall amount of watts you need.

Panel Types

Simply put, there are 2 main types that you need to really know, Polycrystalline and Monocrystalline.

Both do the same job but the main difference is (in a nutshell) Monocrystalline is more expensive, more efficient, smaller, more heat resistant and black.

In your kit you should have the following parts to go with your panels:

  • Solar Panel Mounting Brackets
  • Solar Panel Cable Pack
  • MC4 Connector Pack

Your next question might be “How Many do I need”, this is a good question and an important one.

The simple answer is how much do you need in order to run what you want to run, we will cover this in a further section “Which Kit Is Best For Me?”.

View our range of Solar Power Kits

Solar Inverter

The next fundamental component of every Solar Power Kit is an inverter, without this piece of equipment there is no way to  convert your energy coming from the Solar Panels  into usable electricity for your home.

You can read our in-depth Solar Inverter Guide to understand how Solar Inverters work.

Inverters come in many varieties and depending on your intended application.  Each kit you will see will be based on the inverter type , here are the main types of inverters:

Off-Grid Inverter

Off-Grid InverterAn Off-Grid inverter has the ability to run independently and without being tied to the grid at all, commonly used on properties that don’t have any connection to the grid.

They come in various kw sizes with various features, the main feature, however, is the  ability to connect to a battery  or another type of power source such as a generator.

With Off-Grid inverters,  you have to connect to a battery power source , the Solar Panels charge these batteries via the inverter.

Grid-Tied Inverter

Grid-Tied Solar Inverter for a Solar Power KitQuite different to the previous version the Grid-Tied inverter functions  without any battery backup connected and it has to be connected to grid at all times .

More popular in the commercial sector the Grid-Tied inverter is  ideal for those who use their electricity in the daytime , as the Solar Panels are producing charge it goes directly through the inverter and powers the appliances or lights.

Also in a variety of sizes, it’s  recommended that you purchase a size that can handle more than you require , during the winter months there is less sunlight which in turn will produce electricity.

It’s also important to note that it’s the cheapest option to buy, therefore giving you a fantastic Return On Investment.

Hybrid Inverter

A Hybrid inverter for Solar Power kitsA Hybrid inverter gives you the best of both worlds, the idea behind this type of inverter is to  act like a Grid-Tied inverter by harnessing the daytime energy and connecting to the grid but also works like an Off-Grid inverter  by having battery backup as an energy source.

A true Hybrid inverter will “blend” the energy sources together in an optimal way.

For example:

If the Solar Panels aren’t producing enough energy to power the appliances running, instead of switching completely to the batteries  it will only use what it needs in order to make up for the missing supply .

Out of the 3 main types of inverters, the Hybrid offers the most versatility.

If the Hybrid inverter doesn’t blend the energies like this they are referred to as Self-Consumption Inverters. These inverters  switch over to an energy source, they don’t blend making them less efficient .

In your kit you should have the following parts to go with your inverter:

  • AC Switch Disconnector/s
  • DC Switch Disconnector/s

It’s worth noting that inverter is very important so it’s worth looking at the best one you can afford.

Solar Battery

If you choosing an  Off-Grid or a Hybrid Solar Power System you will require battery backup . Solar Power batteries work in similar ways to every other battery, the main differences being that they’re bigger and they  require a controller to protect them from overcharging or over depleting  and they are deep-cycle.

There are a few Solar Battery options available on the market, you can read more in-depth about the various types, how they work and the different brands in the Solar Batteries Guide.

Here are the different options:

Lead Acid

Lead Acid Solar Power KitsThe original battery option for Solar Power Systems was Lead Acid, these have been the tried and tested option for decades. They are however the least efficient and are prone to issues if not installed correctly.

An important thing to note is that with Lead Acid batteries you will need a Charge Controller, this will help manage the voltage going into the battery. You can read our in-depth Solar Charge Controller Guide.

The main disadvantage of Lead Acid batteries is their Depth Of Discharge, also referred to as “DOD”.  The DOD is 50% making every battery you buy half the kWh capacity .

These batteries are big, heavy and bulky and tend to look like a car battery.


Lithium-ion Battery in a Solar power kit

This option is more superior than the Lead Acid option, the first thing to note is that their  Depth Of Discharge is lower or in some cases zero .

Most modern Lithium-ion batteries that are available have a  Battery Management System (BMS), this is a fantastic feature as this prevents any over-charging, surge overloads, more cycles, longer lifespan  and more.

They are sleeker, lighter and tend to be either rack mounted or wall mounted making them a more aesthetically pleasing.

You can read our Lithium-ion Guide for more specific information.

In your kit you should have the following parts to go with your batteries:

  • Cable Pack
  • Mounting brackets or cabinet (optional)

When it comes to batteries you should consider the lifespan, Lead Acid variations don’t live as long and are prone to issues if not installed properly.

If you’re looking for the cleanest, more reliable and hassle-free option we always recommend Lithium-ion. Although more expensive it’s still a good investment.

What Are The Benefits Of A Solar Power Kit?

More often than usual each home or residential setup is different, that difference, however, isn't so far removed from each other.

For example, if you are looking for a 5kw Hybrid Solar Power System with backup there are somewhat similarities.

Each kit will consist of:

  • Solar Panels
  • Hybrid Inverter
  • Batteries
  • Mounting
  • Cabling & switches

When you choose a kit you can use it as a base to work off of. This is the main benefit of a Solar Power Kit, for example:

  • You can add more batteries
  • Change the Inverter for another brand
  • Choose what panel type and size you want

What Are The Different Types Of Kits?

Grid-Tied Solar Power Kits

The Grid-tied solar power kit is the simplest of all solar solutions.

If you have high usage in the day such as pool pumps, borehole, washing machine, geyser in the day etc, this solution will compensate for the energy use and offer the highest return on investment. Often paid back within 3 years.

Great for daytime businesses:

  • Factories
  • Shops
  • Restaurants
  • Workshops
  • Offices

Here are our Solar Power kits, they have been designed by Solar engineers to give you a package that will suit most solar needs in the home:

Click here for wikipedia solar power explanation


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