The CyberPower LE850G Battery Backup/ uninterruptible power supply (UPS) with line interactive topology safeguards small office workstations, networking devices, and home entertainment systems by providing battery power during power interruptions and surge protection.
Features:
•850VA / 460W
•Line-Interactive Topology
•AVR & GreenPower UPS™
•Compact Desktop Form Factor
•RJ11 Protection (1-in / 2 Out)
•12 Outlets / USB Port
•EMI/RFI Filters
•PowerPanel® Personal Edition
•3-Year Warranty
Weight 13.9 lb
https://www.costco.com/.product.1...0_techdays
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Bcoz, it's not pure sinewave.
Kinda hard to find sinewave for under $90.
If people plan on using this for an appliance NAS, check the manual for compatibility. A bunch of mine only talk to APC batteries.
Thanks for any help!
Thanks for any help!
A sinewave output is the optimum waveform for electronic equipment. The incoming AC line is a sinewave, thus electronic equipment expects to see this type of waveform. A sinewave is the most expensive output form for UPS manufacturers to produce due to more complex circuitry and components. All Minuteman UPSs that produce a sinewave output go one step further by producing a synchronized sinewave. This feature eliminates the problem of an out of phase wave at the output. The Continuous Power, XRT, and PowerMind series from Minuteman provide a true sinewave output.
A pulse width modulated squarewave (also called simulated sinewave) is considerably easier to produce in a UPS. This type of waveform is quite suitable for virtually all electronic business equipment. Minuteman's Pro series produces a simulated sinewave output.
Source [minutemanups.com]