UPS expectations

[Steve Alligood]

On Jun 26, 2012, at 12:13 PM, Victor Villa wrote:

> 
> 
>> How frequently do you replace batteries/UPS' due to failure?
> dpends on utilization i guess


technically speaking, you should replace 1/3 of them every year, so none are older than 3 years.

That is Best Practices, for production systems.  You can, of course, extend your risk in any method you find acceptable.  Some companies will wait two years, then replace 1/3 yearly, etc.  Some will wait till they fail the battery tests and replace them.  All based on amount of acceptable risk.
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