Electronics > Open Source Hardware

Desulfate & regenerate lead acid batts: a new DIY guide. Overnight.

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Mosaic:
I'm open sourcing my desulfating, dedendriting, heavy duty pulse engine capable of recovering an automotive battery in a day or so!

Please credit me if you make any mods or spin off projects and republish.

I have the empirical data for the process and I have logged many (hundreds) of battery recoveries.
Tracer studies have been done on batteries placed back into vehicles and around 100 have been returned to service with no issues, about 1% returns.
The full bore system is going commercial but I am sharing the reliable pulse engine for those who'd like to DIY and 'roll your own' control/automation system.
It is effectively the pulse engine that I used to desulfate the batteries 'manually' as proof of concept before doing the extensive controls and failsafes with diagnostics to make a system that requires no thinking, just connect and forget, it does all the thinking (pass/fail/re-rating) and processing for you. With comms. via Iot across the internet it provides bidirectional data for remote control, archiving statistical yields and management reporting.

Here is the ongoing open sourcing of the pulse engine started this month.
https://hackaday.io/project/25741-desulfator-engine-for-climate-change-mitigation

Also my techniques for homebrew PCB manufacture:
https://hackaday.io/project/7938-pcb-smt-maker-lab-home

I'll support any questions or discussions here as well as on the project site.
The pics of the battery cell are before and after the process (1 day), no chemicals required. Note the white sulfate removal!

Mechatrommer:
how much price for the kit of complete components and pcb and necessary psu?

Mosaic:
I really don't know. Haven't gotten around to making a kit so it's pure DIY right now.

Mechatrommer:

--- Quote from: Mosaic on July 12, 2017, 01:02:30 pm ---I really don't know. Haven't gotten around to making a kit so it's pure DIY right now.

--- End quote ---
i quick read the link you wrote could provide the kit if any interest... btw looking forward for your detailed documentation/schematics etc. i have more dead batteries here some are many (3-10) years back that i keep as paper weight and braces now. i have another two now recently deteriorate in functioning... thanks for sharing..
edit: sorry i maybe mistaken about your writing of providing the kit with some other people's project... no i was right...

https://hackaday.io/project/25741-desulfator-engine-for-climate-change-mitigation

--- Quote ---I will look at offering the PCB or even a PCB and component kit for those who are interested in a simpler or quicker build with out the hassle of sourcing parts. This is probably more useful to those outside North America. However, part substitution is encouraged from a DIY perspective.

--- End quote ---

Mosaic:
In terms of what you hope to do, if manual monitoring of battery voltage and temps are ok with you (say every 15 to 30 mins) then the already published schematic & layout will work for you once you can provide the PSU and a pulse signal. Suggested at 500Hz to 1500Hz.

A bit later on I'll try to fit a pulse gen in the free space on the PCB so to make it a more integrated solution which could be ready to accept DIY controls from a dedicated uC or Arduino board

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