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m0n0wall 1.3b1 released - FreeBSD 6.2 RC1 »
« How does the POE work?  
AuthorAll Replies

public

join:2002-01-19
Santa Clara, CA
·DSL EXTREME

reply to Equis
Re: Battery Chargers

said by Equis See Profile :

Interesting points..

Can anyone give an educated guess on how long a 500va UPS would power a 12v 1.5 amp plugpack?

I liked the battery idea because I though it would give prolonged uptime, but not worth it if its going to blow my gear up
You can use a UPS as a charger. Take the output from the battery, not from the AC out.
Cheap chargers usually overcharge batteries. Flooded cells can be refilled, but gel cells are quickly destroyed.
Off the shelf UPS usually contains microscopic batteries. External battery is needed for any serious backup use.

Also get a ups with an ethernet card so that you can remotely monitor the status.
to forum · permalink · · 2006-12-09 01:17:19 · Reply to this
Forums » Industry Forums » Wireless Service Providersm0n0wall 1.3b1 released - FreeBSD 6.2 RC1 »
« How does the POE work?  

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