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Functioning, maintenance and regeneration of lead-acid batteries

Batteries are essential and expensive elements in off-grid installations. However, their operation and maintenance are not well known/not well understood by the general public.

This tutorial, therefore, has several objectives:

• Present/Explain how a lead-acid battery works.
• Present/Explain the different types of lead acid batteries.
• Present/Explain the major causes of degradation of lead batteries.
• Present/Explain the rules for the use and maintenance of lead batteries.
• Introduce the process of desulfation (or regeneration) of lead batteries.

• Medium
• 14 day(s)

Solar Generator Trailer- Electrical System

This tutorial presents the sizing and construction of an electrical system for a solar generator (1 kWp or ‘kilowatt peak’) which can be moved by bicycle. This structure was designed to fit on the CHARRETTE, an assisted trailer designed by the Véloma association, whose plans are freely available.

• Medium
• 3 day(s)

Garde-Manger: Pantry Storage

Garde-Manger, or pantry storage, enabling optimal environmental conditions by food type

• Medium
• 3 day(s)

Coco soap

In areas where the coconut tree (Cocos nucifera) grows, it is possible to produce a soap made out of it.

• Medium
• 4 day(s)

Solar Oven (box-type oven)

Box or a parable shaped, the solar oven makes it possible to cook your food using the sun rays.

• Easy
• 1 day(s)

Ceramic water filter

A ceramic water filter is a system for purifying unsanitary water. This tutorial aims to show how a ceramic water filter works and how to build one on a semi-industrial scale.

• Hard
• 3 day(s)

Multifunctional Crankset

A bicycle crankset that can power multiple tools such as a blender, a drill press, a sewing machine or even an electric generator.

• Medium
• 2 day(s)

Low-tech Computer

A basic computer model that still meets most of our daily needs. All for a price not exceeding 30 euros!

• Medium
• 1 day(s)

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