Re: Dead UPS
- From: jakdedert <jakdedert@xxxxxxxxxxxxx>
- Date: Tue, 27 Nov 2007 21:03:41 -0600
Broderick Crawford wrote:
My Belkin 400 watt UPS has dead batteries. It turns out they are 2 small
12 v batteries in series. I took two motorcycle batteries, wired them in
series and connected them to the old battery outputs (disconnecting the
old batteries). Seems to work great. There is still a trickle charge
going into the motorcycle batteries. They maintain the output nicely
when I unplug the UPS. I just now have more objects on the floor than
before. I wire tied the two batteries together, drilled a hole in the
UPS and have a wire pair going from the batteries to the UPS. Any known
issues in doing this?
Sounds okay, with several caveats:
Motorcycle batteries are pretty unsuitable for inside use.
Motorcycle batteries are not meant to be discharged beyond a certain point...cuts their lifetime in half...or worse.
UPS batteries are probably not much more expensive than than motorcycle batteries, will fit *inside* the UPS, and will last longer...both per use and total lifetime.
All that said, if you got motorcycle batteries, you don't have UPS batteries, you don't actually 'use' the UPS all that often, (and/or all that long) AND you have the batteries in a well-ventilated area...hydrogen gas is no fun to breath, and is explosive (think: Hindenburg).
....it might just work. Better than nothing, anyway. Sounds risky, though.
jak
.
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