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First question you need to ask yourself is what will the purpose of the system be. Do you only need backup for when the grid (Eskom) is down; Do you want to reduce your electricity bill. For both the options above you will need a inverter. There are 3 main types of inverters: 1.Off-grid inverters; Off-grid inverters are designed to work alone and cannot synchronise with the grid. They connect to the property in place of grid power and cannot work in conjunction with it. It draws power from the battery, converts it from DC and outputs AC.  2. Grid-tied inverters;...

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This calculator will give you an idea on how big a battery bank and inverter you will need based on your requirements. Scroll to the bottom of the page to find information on the typical wattages of different appliances. Calculator placeholder  

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The below calculator will help you to ESTIMATE how many solar panels you will need based on your monthly utility bill   Calculator placeholder

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 Solar panel Efficiency rate Advantages Disadvantages Monocrystalline ~20% High efficiency rate; optimised for commercial use; high life-time value. Expensive. Polycrystalline ~15% Priced lower. Sensitive to high temperatures; lower lifespan & slightly less space efficiency.   Calculate how many panels will be needed:   Calculator placeholder

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Batteries will most probably make up the bulk of the system cost. For this reason it is very important to ensure you make the correct decision when it comes to batteries. We sell 2 types of batteries. Lithium-ion batteries; and Gel batteries. While there is no denying Lithium-ion batteries are more expensive, one need to consider other benefits of these batteries. Comparing these batteries: Category Lithium-ion Gel Price More expensive. Cheaper. Longevity Lithium-ion batteries have a much longer expected lifespan, most brands offer a 10 year warranty, and 20 years expected lifespan. Much sorter expected lifetime. Depth of discharge Lithium...

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