[NTLUG:Discuss] Off topic... Souping up a UPS.

Jay Urish j at yourlinuxguru.com
Wed Nov 28 14:02:13 CST 2001


You can do that. I did the same thing with a UPS that had 1 12volt gel cell.
I ran a cable out the back to a much larger battery... I think I had in the 
neighborhood of 7hours of runtime.


At 12:15 PM 11/28/2001 -0600, you wrote:
>Ok...so this isn't exactly a linux question....but if I can do this it would
>make for a GREAT upgrade to my linux UPS..
>
>I have an APC BackUPS 450.  it uses two 6volt 12Amp Hour  batteries
>connected in series.
>
>(straight lines equal conectors between the positive and negative terminals
>of each battery)
>
>   to
>UPS
>|       |
>+     -
>
>-___+
>
>Does anyone know for sure what would the consequences would be if I replaced
>the batteries with two 12 volt 7.2Amp Hour batteries BUT I would connect
>them in parallel.  And...is this the proper way to connect them in parallel?
>
>
>to UPS
>
>   |       |
>   +     -
>     \   /
>      \/
>     /  \
>  -      +
>
>How will this affect the recharging mechanism?  How does the Amp Hours
>difference between the two voltage of batteries affect runtime?
>
>inquiring minds want ....more POWER!
>
>-Richard....the "I hope I don't burn my house down this Christmas" computer
>guy.
>
>
>_______________________________________________
>http://www.ntlug.org/mailman/listinfo/discuss


Jay Urish
Your Linux Guru.
Sendmail/Bind/Apache/DHCPD/IPchains/Samba expertise all in one place!
www.yourlinuxguru.com





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