On Mon, Jul 16, 2012 at 3:26 PM,  <mail@crcomp.net> wrote:

> The controller of my old Rain Bird sprinkler system uses a 9V NiCad
> battery for backup in case of power outages.
>
> Is it possible to replace a NiCad with a 9V1 advanced Lithium?

NiCads in this type of application are generally trickle charged and
lithium batteries cannot be trickle charged.

-p.
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