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Joined: Aug 2005
Posts: 2
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Joined: Aug 2005
Posts: 2 |
I'm looking for information on connecting an external battery for an Electra Elite system. The power supply (Murata # MPS2249, NEC P64-U10PSU) appears to have a port for an external lead-acid battery and appears to have a float charging voltage of 27 volts. I believe I need a 24volt cell. I'm wondering whats the maximum amp-hour capacity cell I can install. What does NEC specify as standard?
Thank you
-Mike
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Joined: Apr 2005
Posts: 28
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Joined: Apr 2005
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I just purchased a 1000va ups from APC and plugged my phone switch into it. Works great and no hassles!
Dave
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Joined: Aug 2005
Posts: 2
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Joined: Aug 2005
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Thanks Dave. ![[Linked Image from sundance-communications.com]](https://www.sundance-communications.com/forum/smile.gif) I never considered using an external ups! Sounds like the easiest way to solve my problem. -Mike
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