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.

ASIN	B000DZU02A
Amperage	6.25
Battery Cell Composition	Lead Acid
Battery Cell Type	Lead Acid
Battery Charge Time	8 hours
Best Sellers Rank	#216 in Computer Uninterruptible Power Supply Units
Brand	TRIPP LITE
Built-In Media	AVR750U UPS System; USB cable; Instruction manual
Color	Black
Connector Type	4-Pin Mini DIN
Customer Reviews	4.2 out of 5 stars 672 Reviews
Enclosure Material	Plastic
Form Factor	Compact
Frequency Range	50/60 Hz (± 3 Hz)
Global Trade Identification Number	00037332123121, 00037332211484, 10037332123128
Input Voltage	120 volts
Item Dimensions	12.01 x 7.01 x 4.02 inches
Item Dimensions D x W x H	7.48"D x 12"W x 4.14"H
Item Highlight	12 Outlets, Replaceable Battery, 5ft Cord, 316 Joules, 3-Year Warranty
Item Type Name	Line-interactive UPS
Item Weight	15.3 pounds
Lower Temperature Rating	32 °F
Manufacturer	Tripp Lite
Material	Plastic
Maximum Power	450 watts
Mfr Part Number	AVR750U
Model Number	AVR750U
Number of Items	1
Number of Outlets	12
Number of Packs	1
Output Current	6.25 A
Output Voltage	120 volts_of_alternating_current
Output Wattage	450 watts
Power Plug Type	Type B - 3 pin (North American)
Product Dimensions	7.48"D x 12"W x 4.14"H
Runtime	11 minutes
Specification Met	RoHS
Surge Protection Rating	316 Joules
UPC	763615805643 999998147128 037332123121 999992239447 666673804774 777785490745 037332211484 999991638319 718189050012 778888707969 666670097971
Unit Count	1 Count
Voltage	120 volts
Warranty Description	2 year limited warranty
Wattage	450 watts

Eaton Tripp Lite AVR750U 750VA UPS 450W Battery Backup Surge Protector AVR

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