
Woot's CyberPower sale covers battery backups, surge protectors, and UPS systems for computers and home electronics. The CyberPower CST135UC 1350VA/810W UPS System is $109.99, down from $169.95, and the 950VA/510W Standby UPS is $59.99, down from $99.99. The lineup spans basic surge protectors starting at $14.99 up to higher-capacity rack-mount UPS systems near $700, including some factory reconditioned and refurbished models. This deal ends October 30. Buy Now at Woot! An Amazon Company

Power outages and brownouts won't take down your desktop or router thanks to the battery backup, which is worth having if you've ever lost unsaved work mid-storm. The 8 outlets give you room to protect a computer, monitor, and modem all at once instead of juggling a single battery slot. Buy Now at Newegg
- 650 VA uninterruptible power supply
- 8 surge-protected outlets
- 1-30 minutes battery run time
- Integrated data line surge protection
- Model: BE650G1

Handy for keeping routers, computers, or medical equipment running through short power outages, and the lithium battery should outlast the lead-acid versions found in most UPS units at this price. It's currently $40 off the $230 list price at Amazon. Buy Now at Amazon
- Pure sine wave output protects sensitive electronics
- LiFePO4 battery lasts 10 years with 5,000+ cycles
- Auto-shutdown via USB for Windows, Mac, and NAS
- Integrated LCD panel for real-time power monitoring
- Eight outlets with surge protection and battery backup

Worth a look for anyone maintaining server rooms or networking closets who needs a reliable replacement set for the Liebert GXT3 6000RT208 UPS, since getting all six batteries matched and dated together helps avoid uneven wear down the line. Buy Now at Home Depot

Keeping routers, cameras, or small network gear running during outages is the main job here, so it's worth a look if you've got low-voltage devices that can't afford a hard shutdown. The module switches between main and backup power automatically, which spares you the hassle of manually swapping sources when the electricity cuts out. Buy Now at Newegg
- Automatic power switching during outages
- Compatible with 5V to 48V power sources
- Integrated power-off protection for connected devices
- Emergency battery backup support
- Automatic module relay switching

Keeping servers or networking gear running through a power blip is the whole point here, and the rack/tower design makes it easy to slot into a home office or small server closet without extra mounting hardware. Newegg has it for a price worth checking against what you'd pay for a comparable runtime elsewhere. Buy Now at Newegg
- 1440 VA backup power capacity
- Eight NEMA 5-15R power outlets
- Automatic voltage regulation for stable power
- SmartConnect cloud-based remote monitoring
- Model: SMX1500RM2UC

For anyone running networking equipment or servers who needs reliable backup power during outages, this UPS provides pure sine wave output and network management capabilities suited for small business or IT closet use. Newegg has it for $1003, which is $496 (about 33%) off the $1499 list price. Buy Now at Newegg
- 500VA 500W power capacity
- 17.9 minute full load battery runtime
- 6 power outlets
- 120V input voltage
- Model: GXT5-500LVRT2UXL

Update: The price has changed to $69.99 since this was originally published.
Keeping your router or modem powered through short outages, this battery backup is worth a look for anyone who relies on a steady internet connection during storms. It's priced at $69.98, just a penny under the $69.99 list price. Buy Now at Amazon
- 6000mAh battery for uninterrupted power
- Instant 0-second power transfer
- Certified surge and short-circuit protection
- App-controlled automatic NAS shutdown and restart
- Compact quiet-running design

Rack-mounted setups benefit most here, since the 2U form factor slides right into a server cabinet instead of taking up floor space like a standalone unit. At 750VA, it's suited for keeping a modest server or networking rack running through short outages rather than powering heavier equipment. Buy Now at Newegg
- 750VA backup battery power supply
- 6x NEMA 5-15R outlets
- Automatic voltage regulation
- SmartConnect cloud monitoring
- Model: SMT750RM2UC

Network admins running stacks of PoE switches will want this for failover protection, since the redundant power array keeps critical gear online if one supply fails. Buy Now at Newegg
- Redundant power array system
- Model: JG136AABA

Keeps essentials like routers, computers, or medical equipment running through short outages, which matters if you work from home or can't afford a sudden power loss. It's $108 off the $720 list price, bringing it to $612. Buy Now at Amazon
- LiFePO4 battery lasts 10 years with 3,000 cycles
- 2000VA pure sine wave power with voltage regulation
- Eight outlets with surge protection and battery backup
- Real-time status monitoring via intelligent LCD display
- USB-C and USB-A ports for device charging

Keeping servers or networking gear running through brief outages is the whole point here, and the rack-mountable 2U design makes it a sensible fit if you're already working with server cabinets instead of standard tower setups. Buy Now at Newegg
- 1000VA 900W power capacity
- Eight battery-backed power outlets
- 4-minute full load runtime
- Line-interactive voltage regulation
- Model: EXR1000RT2U

Anyone running an APC SmartUPS unit for home network gear or server backup will want these on hand before the original battery dies mid-outage, since replacement is usually cheaper and faster than buying a whole new UPS. Buy Now at Home Depot

Keeping servers or networking gear running through brief outages is the main job here, and the rackmount design makes it a sensible pick if you're already working with a server rack setup rather than standalone desktop equipment. Buy Now at Newegg
- 1440 VA backup power capacity
- Automatic voltage regulation for stable power
- Six NEMA 5-15R protected outlets
- SmartConnect port for remote monitoring
- Model: SMC1500-2UC

Anyone running a home server or networking rack will appreciate this for keeping equipment running through short outages and giving you time to shut down properly during longer ones, thanks to the pure sine wave output that's safe for sensitive electronics. Buy Now at Newegg
- 1000VA battery power supply
- Convertible rack or tower design
- Eight NEMA 5-15R outlets
- Automatic voltage regulation
- Model: SMX1000C

Running servers or networking gear off standard outlets calls for real protection, and this unit's online double-conversion design means your equipment never sees a power fluctuation since it's always running off the inverter, not just switching over during an outage. Buy Now at Home Depot

Anyone maintaining backup power setups for alarm systems, emergency lighting, or UPS units can use this 6-pack to swap out aging batteries without reordering every few months, since replacing them all at once keeps your runtime consistent across the whole system. Buy Now at Home Depot

Keeping a rack of networking gear or security systems running during outages gets expensive fast if you're buying batteries one at a time, so this 10-pack makes more sense for anyone maintaining multiple UPS units. It's a practical bulk option for IT techs or building managers who'd rather stock up once than reorder every few months. Buy Now at Home Depot

Worth having next to your desk or home server if you want a buffer against sudden power loss, with enough capacity at 850W to keep a PC and monitor running long enough to save your work and shut down safely. Buy Now at Newegg
- 1500VA, 850W power capacity
- Automatic Voltage Regulation technology
- 8 NEMA power outlets
- User-replaceable battery
- Model: PSA6E-1500LVT