Original publication: Elektor Magazine no. 3 / 2017 (March & April), p. 120 - 127.
Author: Jan Lichtenbelt.
Elektor Store items: PCB; programmed microcontroller; kit of parts. (see below)
Free download expires: Friday 29 November, 2019.

Note: Since its publication of the project in 2017, components, software elements, webpages and other elements mentioned in the original article may be subject to updating to the present day.

A well-known electronics store has been selling a very simple lead-acid battery activator for many years. Although I can't prove it, my lead-acid batteries do seem to last longer since I started using the activator. The principle behind this circuit is very simple. The battery is loaded with a current of about 100 A for a period of 100 µs, which is repeated every 30 seconds. But my circuit is capable of more, which is discussed at length in article from 2017.



Go to the article page and download a pdf copy of the magazine article. Downloading is free between Friday 22 November and Friday 29 November, 2019.