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Anonymous Posted on Apr 02, 2010

Smart2200RMXL2U shows no sign of life after storage

Regardless of battery status, the unit should come to life and try to start a charge, eh? I get no lights or sounds when holding the power button, and the breaker isn't tripped (good 20A 120V circuit supplying it)

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  • Anonymous Apr 13, 2010

    Putting 48VDC to the Anderson connector for parallel battery packs worked like a charm! The unit woke right up, and started trying to charge it's dead pack. I've since hooked up 48V of electric-vehicle takeout batteries. While these Deka Dominators won't make the daily commute any longer, they should last for years yet in UPS service...

  • Anonymous Apr 13, 2010

    Should've mentioned that I pulled the dead internal battery pack and left the UPS in a 'gutless' state after confirming that the internal pack is wired right to the external battery input port. No point in stressing the whole setup by paralleling them with a dead pack!

  • Anonymous Apr 13, 2010

    Now a follow-up. The UPS won't start up if it doesn't get switched on with AC power first. That is, it won't start from DC input alone. Any suggestions on how to bypass this feature? I want to use it as just a high-quality inverter, off the grid.

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  • Posted on Apr 05, 2010
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These units, while hot swappable, will NOT start with dead batteries connected.

You will have to replace the batteries to confirm if the unit is still usable. Sealed Lead Acid Batteries do have a shelf life when a charge is not applied and will fail after several months of sitting around.

If your unit was working fine before it was put in storage, I definitely would consider just replacing the batteries. It is possible that the batteries are connected loosely, you can try opening the unit up to double check all the connections but if it has been sitting for more than a couple months, I would definitely consider the batteries dead.

You can find replacement batteries here http://www.refurbups.com/Tripplite-SMART2200RMXL2U-Batteries

Testimonial: "Thanks Phil! Good to know it won't even try to charge a dead pack. Before buying new batts, I'm going to put 48VDC to the Anderson connector."

  • Anonymous Apr 13, 2010

    it depends, I am not entirely familiar with the tripplite units, however the APC units (which the tripplite try VERY hard to mimic) will start up if you press and hold the on / test button for several seconds. You should hear short beeps, then a long beep. if you let go DURING the long beep, it will start up on battery power, at least the APC units do.

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