Skip to main content
SKE VL425 425VA/240W UPS Battery Backup and Surge Protector - Uninterruptible Power Supply with AVR, 7 Outlets, USB and Type-C Charging, RJ45 Port for Computer, Router, Modem, and Home Office Devices
SKE SMART KEY ENERGY

SKE SMART KEY ENERGY SKE VL425 425VA/240W UPS Battery Backup and Surge Protector

Bottom line: The SKE VL425 425VA/240W UPS Battery Backup and Surge Protector: 425VA/240W backup keeps a router, modem, and desktop alive through short outages; main trade-off: simulated sine wave, not pure sine - some active-PFC PSUs may not accept it.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 425VA/240W backup keeps a router, modem, and desktop alive through short outages
  • ✓ 7 outlets total: 5 battery-backed with surge protection, 2 surge-only
  • ✓ Built-in AVR corrects voltage sags and swells without draining the battery
  • ✓ USB-A and USB-C ports charge phones and tablets without using backup outlets
  • ✓ User-replaceable battery extends service life past the first cell's lifespan

Cons

  • ✗ Simulated sine wave, not pure sine - some active-PFC PSUs may not accept it
  • ✗ 240W ceiling rules out gaming rigs and anything with a high-draw GPU
  • ✗ Only 5 of the 7 outlets are battery-backed; 2 are surge-only
  • ✗ SKE SMART KEY ENERGY is a lesser-known brand with a thin service track record

SpecPicks Verdict

SpecPicks scored SKE VL425 425VA/240W UPS Battery Backup and Surge Protector using a rating × review-volume × price-fit model applied to published specs and reviews across the power protection category. SKE SMART KEY ENERGY's power protection lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • RELIABLE BATTERY BACKUP FOR HOME DEVICES: Provides dependable backup power supply for power outages, supporting desktop computers, monitors, routers, modems, surveillance cameras, and other essential electronics. Ideal for home offices, networking equipment, and everyday connected devices.
  • 7 OUTLETS WITH SURGE PROTECTION: This Uninterruptible Power Supply includes 5 battery backup outlets with surge protection plus 2 surge-only outlets to help safeguard connected electronics from voltage spikes and unexpected outages while maintaining productivity.
  • BUILT-IN AVR VOLTAGE STABILIZATION: Automatic Voltage Regulation (AVR) helps correct voltage fluctuations while simulated sine wave output supports stable power delivery for PCs, networking equipment, and everyday home or office electronics.
  • USB & TYPE-C CHARGING PORTS: This UPS backup power supply includes integrated USB and Type-C charging ports for convenient charging of phones, tablets, and accessories without using backup outlets, ideal for modern home and office setups.
  • COMPACT DESIGN WITH REPLACEABLE BATTERY: This UPS system features a compact tower design that fits easily under desks or in home offices. The user-replaceable battery helps extend product lifespan, while quiet operation supports distraction-free environments.

Full Specifications

BrandSKE SMART KEY ENERGY
Colorblack
Voltage120 volts
Wattage240 watts
MaterialPlastic
Unit Count1 Count
Form FactorCompact
ConnectivityUSB
Model NumberSKE VL425
Input Voltage120 volts
Maximum Power240 watts
Connector Type2 Pin
Output Voltage120 volts
Output Wattage240 watts
Number of Items1
Power Plug TypeType B - 3 pin (North American)
Battery Cell TypeLead Acid
Number of Outlets7
Enclosure MaterialPlastic
Warranty Description1 year for battery, 2 year for machine, against manufacturer
Full listing titleSKE VL425 425VA/240W UPS Battery Backup and Surge Protector - Uninterruptible Power Supply with AVR, 7 Outlets, USB and Type-C Charging, RJ45 Port for Computer, Router, Modem, and Home Office Devices

Ready to buy?

SKE VL425 425VA/240W UPS Battery Backup and Surge Protector - Uninterruptible Power Supply with AVR, 7 Outlets, USB and Type-C Charging, RJ45 Port for Computer, Router, Modem, and Home Office Devices is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

Related Power Protection

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →