A battery life cycle tester runs a cell through hundreds of charge and discharge sequences and reports a cycle count at end of life. The number is useful. It is also incomplete. Two VRLA cells that both reach 80 percent capacity retention at cycle 200 carry the same headline rating but ship into very different…
A formation rectifier is not specified by its maximum current rating alone. The specification that separates a programmable battery formation rectifier running at consistent batch yield from one hitting a ceiling every cycle is the step count and per-channel independence of the controller. For tubular and VRLA chemistry, this gap shows up in batch rejects,…
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