[moris_zen] found himself with a hand full of Li-Ion batteries and no good way to see what their capacities were. He built a this distinct tester really quick to get the job done. He’s using off the shelf components and a low-cost pocket view which he purchased in Taiwan for $1. You hook the circuit up to your battery, click the button and the view starts working. When it stops, you multiply that number by .38 to get your amp/hour results. Sure, he could have just used a counter, but this is an interesting approach. All he needs to do now is make a good container to hide all of the circuitry. how could he change the circuit to make the end multiplication unnecessary?

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