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Friday, 12 March 2021

DIY Solar Cooker Instructions

This article outlines the design of a simple solar cooker for use in the tropics. It is relatively simple to build with readily available materials. It is based on the ‘Heaven’s Flame’ design by Maria Telkes. The design will have to be adopted to have a sloping glass front depending on the latitude of the place of use.

Wednesday, 27 January 2021

How to run a fridge with off-grid power

One of the challenges of off-grid living is how to power a fridge. This blog post looks at our experiment on hacking a freezer to work as a fridge that uses very little energy.

Thursday, 1 October 2020

720 Watt Solar Power System for an shed / summer house /outbuilding

Here are some photos of a 720 Watt solar power system. This can provide LED lighting, charge phones, e-bike batteries, drills and even run power tools and boil a small travel kettle. For more information on how to build your own small solar power system, have a look at this page for dates of workshops.

Sunday, 6 September 2020

120 Watt hour Solar Power Pack

These are photos and brief description of of the 120 Watt Hour Solar Power Pack. This provides a bright LED, USB charge points, 12 V lighter socket and a Power Inverter.

Wednesday, 12 August 2020

Looking after the Lead Acid Batteries in your Solar Power System

Many people rage against Lead Acid batteries and claim that they don't last more than a year or two. This post is about looking after your batteries and get 5 to 10 years of service out of them.

Monday, 10 August 2020

Connectors for Small Solar Power System

This post outline connectors that can be used for building up a Small Solar Power System. It is material to go alongside the virtual workshop.

Friday, 13 September 2019

Watts, Volts, Amperes, Ampere hours and Watt hours - what does it all mean?

When planning your off-grid Solar Power system it helps to understand the numbers and terminology. This post explains in simple terms the meaning of these and how they relate to each other.

DIY Solar Cooker Instructions

This article outlines the design of a simple solar cooker for use in the tropics. It is relatively simple to build with readily available ma...