I'm trying to find the safe operating area for various types of batteries; in particular I need minimum and maximum termination voltages, although information on temperature / power / current is also desirable.

For example, I know Li-Ion typically has a safe charge window of about 3.0V to 4.2V, and I've heard that NiCd / NiMH should never be discharged lower than 0.8V / cell.

Are there any authoritative resources that list the safe operating area for a majority of battery chemistry types?


I have had a lot to do with a range of battery types in recent years. No one source covers everything or is perfect in it's treatment of a given chemistry, but I have found that Battery University usually does a good job of providing accurate, detailed and useful information.

A look at Battery university's home page will immediately show you that this is a better than usual place to find battery information.

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Nickel based

Lead based

Lithium based

And much much much more ...

Manufacturer's pages are also an excellent source, although harder to find specific chemistry related material.

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