Protection from short duration blackouts is available in four series of battery back up with valuable designs and features.
5A UPS Battery Backup Power Supply - Altronics
Multiple Output Battery Backup 8CH 13.8V120W UPS CCTV Camera Power Supply Distribution Box Ce FCC - China CCTV Power Box, Power Source
UPS (uninterruptible power supply)
SR100HI 100W DC UPS No Break ™ Battery Charger
SX650U - Battery Backup - Product Details, Specs, Downloads
Line Interactive Gaming UPS System, 120V, 1500VA
What is a UPS? - AC Power Distribtion, Conditioning, and Control at JuiceGoose
UPS Slim 200 Watt Lithium Ion Battery Backup - AC Power Distribtion, Conditioning, and Control at JuiceGoose
Approved single-phase UPS power system with battery backup
Uninterruptible power supply - Wikipedia
iPCS Isolated Power Control Station - Smart Power Systems - Emerge Power Solutions
How a UPS System Works with a Backup Generator
Get an extraordinary UPS system with SMF & NiCad batteries
APC Smart-UPS SRT008 power distribution unit
120/208 Or 120/240 Volt AC PDU (Power Distribution Unit) With Individu – Battery Backup Power, Inc.