Best Computer Backup Power Supply

Jackery Portable Power Station Explorer 500, 518Wh Outdoor Backup Mobile Lithium Battery Pack with 230V/500W AC Outlet for holiday RV Camping, Outdoor Adventure, Emergency

DC power supply (0-30V,0-5A) adjustable, switching power supply, mini high precision 4-digit display with USB fast charging interface, variable lab bench power supply, output on/off/encoder knob

APC by Schneider Electric BACK-UPS ES - BE850G2-UK - Uninterruptible Power Supply 850VA (8 Outlets, Surge Protected, 2 USB Charging Ports), Black, Pack of 1

AC Outlet Portable Laptop Power Bank, Universal 31200mAh 100W Travel Laptop Charger & Fast Charging External Battery Pack for MacBook, Acer, HP, Samsung, Dell, ASUS, Lenovo, Notebook

APC Easy UPS 2200VA - BVX2200LI - UPS Battery Backup & Surge Protector, Backup Battery with AVR, LED Indicators, Uninterruptible Power Supply

CyberPower BR1000ELCD-UK BRICs Series, 1000VA/600W, 6 UK Outlets (3 Surge only, 3 UPS and Surge), 1 USB Charging Port, AVR, Brick Format

Eaton Ellipse Pro 1200 IEC UPS - Line Interactive Uninterruptible Power Supply - ELP1200IEC - 1200VA (8 outlets IEC-C13, USB, Shutdown software)

APC by Schneider Electric Smart-UPS SMT-SmartConnect - SMT750IC - Uninterruptible Power Supply 750VA (Cloud enabled, 6 Outlets IEC-C13) Black

Eaton 3S 550B UPS - Off Line Uninterruptible Power Supply - 3S550B - 550VA (6 BS outlets, USB, Quiet, Shutdown software) - USB Interface (cable included) - Black&White

APC Back UPS 950VA - BX950MI - UPS Battery Backup & Surge Protector, Backup Battery with AVR, Dataline Protection, Uniterruptible Power Supply, Black