Caution: ALWAYS plug your PC into a battery backup device before updating your motherboard's BIOS/UEFI firmware!
Acer's new all-in-one PC might not be a laptop, but it has a built-in battery | VentureBeat
Tripp Lite Pure Sine Wave Gaming UPS Battery Backup, 1200VA 720W 120V, Detachable LCD, Automatic Voltage Regulation, USB, RGB LED Lights, 3-Year Warranty & $250K Insurance (SMART1200PSGLCD) : Amazon.ca: Electronics
Tripp Lite 1500VA 900W 120V Pure Sine Wave Gaming UPS Battery Backup - LCD, AVR, RGB LEDs, USB Charging, Power Saving - UPS - 900 Watt - 1500 VA
Amazon.com: OPTI-UPS PS1500E Sinewave Line Interactive Uninterruptible Power Supply (1500VA/900W) UPS Battery Backup AVR Surge Protection 10-Outlets ( 5-Battery / 5-Surge ) – works with Active PFC PC Power Supply : Electronics