Lee Hart's Lead-Acid Battery Charging Basics

A nice summary of how to charge a lead-acid battery. It works.

to battery charging electronics lead-acid ... on 17 November 2015

The Life of Kenneth: 555 Constant Current Lead-Acid Battery Charger

To implement the state machine of a lead-acid battery charger, you need a couple of comparators and a flip-flop. Which is what's in a 555! Neat design.

to 555 battery charging electronics lead-acid psu ... on 15 November 2015

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2 lead-acid
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