Question 1

Can this unit be powered by a Generac generator?  Some units object to sine wave, frequency, and/or amplitude variations.  Thank you.

Accepted Answer

Answering my own question ~2 yrs later. Successfully used with a whole-house 20 kW Generac and multiple AC mains fails longer than the unit discharge time.  The observed behavior is: AC mains fail, the unit picks up the load quickly enough that all but possibly the smallest electronic devices ride it through without a blink and, critically for this question, the unit's discharge alarm starts a slow beep.  The generator and transfer switch combo is set to have the generator running stably and transfer power at the 30 second mark of AC mains fail.  At 31 seconds the house is powered by the generator and a few seconds later the unit discharge alarm stops, suggesting it is accepting generator power for charging.

Question 2

Which manufacturers do you trust cyber vs apc vs tripp? when you unit goes out do you replace the entire unit or just battery?  which makes $$ sense?

Accepted Answer

Thank you for reaching out about the AVR900U. Tripp Lite is a very trusted company and has been in business for over 95 years. When it comes to replacement it is more cost effective to replace the battery vs the entire unit. When the time comes our user manual has instructions for replacing the battery and mentions the battery replacement model number. If you would like to discuss your application, please contact our Chicago-based Presales Applications Team at 773.869.1773 (M-F 8AM-6PM Central) and they will happily assist you.

Question 3

Can the user replace the batteries of the tripp lite avr550u, or is it a sealed disposable unit?

Accepted Answer

Yes, there is a battery compartment door. Replace the battery in about a minute.

Question 4

Can this unit backup a water sump pump during a power failure?

Accepted Answer

Absolutely not. At best you could power a device drawing less than 4 amps for a few minutes. UPS units are designed to allow small electronics like computers to survive small power outages or alow enough time for safe shut down. You may consider using a large deep cycle battery and a power inverter or opt for a sump pump designed for use with battery backup.

Material Type	Plastic
Battery Cell Composition	Lead Acid
Item Weight	15.3 Pounds
Item Dimensions D x W x H	7.48"D x 12"W x 4.14"H
Lower Temperature Rating	32 Degrees Fahrenheit
Output Voltage	1.2E+2 Volts (AC)
Power Plug	Type B - 3 pin (North American)
Runtime	11 minutes
Output Wattage	450 Watts
Wattage	450 watts
Connector Type	4-Pin Mini DIN
Number of Outlets	12
Input Voltage	1.2E+2 Volts
Maximum Power	450 Watts
Surge Protection Rating	316 Joules
Voltage	120 Volts
Amperage	6.25
Battery Charge Time	8 Hours
Form Factor	Compact
Color	Black

Tripp Lite 750VA UPS Battery Backup, 450W AVR Line Interactive, USB, Ultra-Compact (AVR750U)

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