Staples.com has a CyberPower 900VA UPS Backup for $79.98 after $5 off coupon code “30564” with Free Shipping.
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- Up to 105 minutes of battery backup n
- 560W/900VA n
- 8 Outlets n
- Authomatic voltage regulation (AVR) will step up low voltages to safe output levels without resorting to battery power