[kwlug-disc] UPS + separate external battery?

[Andrew Kohlsmith (mailing lists account)]

> On Apr 2, 2017, at 10:27 PM, Mark Steffen <rmarksteffen at gmail.com> wrote:
> Buy a good quality battery charger/charge controller.
> 
> Buy a bank of deep cycle batteries or used electric forklift batteries (cheap and still have lots of life left in them), arrange them in a way that creates an array with the appropriate voltage for your charge controller and connect it to the controller.
> 
> Buy a synchronous inverter, connect it to the battery bank.
> 
> Make sure the inverter, and the battery bank can deliver the kind of peak wattage you will need.

Skip the transfer switch and just run everything off batteries all he time; these things are called on-line UPSes and as long as the charger is capable of supplying the current to keep the batteries charged along with your load, you’re good to go.

-A.