Battery Capacity Tester

Battery Tester Assembly Top view
Battery Tester Version 2.2 Assembly top view

I found myself in need of a recharge­able bat­tery tester, so I went off to search the inter­net for a DIY tester.
I was pleas­ant­ly sur­prised to find that John Lowen, had built a Rechargeable Battery Capacity Tester (v2.0), and also devel­oped the PC inter­face soft­ware for desk­top use.
Even bet­ter I found that Paul V. had also built the same tester and had made sev­er­al improve­ment in the design and software.

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