HITCHHIKER’S GUIDE TO THE SOLAR SYSTEM — Buying guide
Lithium vs Lead-Acid Batteries: Which Is Cheaper Over 10 Years?
Lead-acid looks cheaper on the day you buy it, but you can only use about half its capacity and it needs replacing every 2–4 years. Here is how to work out the real cost per kWh delivered over 10 years.
- The Sun Pays
- Tags: Batteries Buying guide
How Many Solar Panels Do I Need? A South African Home Guide
Use your electricity bill, South Africa's 4.5–6 peak sun hours and one simple sum to work out how many solar panels you need. Includes a worked example, battery charging and how to match panels to your inverter.
- The Sun Pays
- Tags: Buying guide Solar panels
How to Choose a Solar Borehole Pump
The 7 questions we ask before recommending a solar borehole pump, how to work out head and flow, and a checklist you can send us on WhatsApp.
- The Sun Pays
- Tags: Borehole pumps Buying guide
Solar Geyser vs Heat Pump vs Electric Geyser: Which Is Best?
Compare running costs, load shedding performance and upfront cost of solar geysers, heat pumps and electric geysers in South Africa.
- The Sun Pays
- Tags: Buying guide Geysers
