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Compact black tower UPS with six NEMA 5-15R outlets on the back

APC

APC BE425M UPS 425VA 255W 6 Outlets 120V

SKU CH-PEH1-5G0CR MPN BE425M

Provides 255 W battery backup for four outlets plus surge protection for two more, recharging in 8 hours

  • Voltage version120 V
  • AC input voltage88–139 V
  • Input line frequency50/60 Hz +/- 3 Hz Auto-sensing
  • Power inputNEMA 5-15P
  • Volt-ampere rating425 VA
  • Power rating255 W

VA 425 VA

  • Keeps essential devices running during outages with 255 W battery backup
  • Protects connected equipment from damaging spikes with 180 J surge protection
  • Powers up to six devices through four battery-backed and two surge-only outlets
  • Accepts unstable input from 88 to 139 V without draining the battery
  • Recharges fully in eight hours for the next power event

Entry-level desktop UPS

The APC BE425M is a 425 VA, 255 W battery backup designed for home desktops, wireless routers and gaming consoles. It provides six NEMA 5-15R outlets, four of which deliver battery backup while the remaining two supply surge-only protection. The unit accepts an input range of 88 to 139 V and auto-senses 50 or 60 Hz mains frequency.

Square-wave output under load

During an outage the inverter produces a square-wave output at 120 V, synchronised to the mains frequency with a 6 ms transfer time. At full 255 W load the sealed lead-acid battery lasts around 2 minutes; at half load of 127.5 W runtime extends to around 10 minutes. Recharge from depletion requires approximately 8 hours before the next event.

Wall-mountable tower with wiring fault LED

The tower chassis includes keyhole slots for wall mounting and wider outlet spacing to accommodate bulky transformers. A Building Wiring Fault indicator LED alerts users to unsafe wall-circuit conditions. Audible alarms signal on-battery and low-battery states and can be silenced through multiple alarm settings. Surge energy rating is 180 joules.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $64.99
Cheaper than about 95% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameAPC
Product lineBack-UPS
Model nameBE425M
Power
Voltage version120 V
AC input voltage88–139 V
Input line frequency50/60 Hz +/- 3 Hz Auto-sensing
Power inputNEMA 5-15P
Volt-ampere rating425 VA
Power rating255 W
Voltage output120 V
AC output frequency50/60 Hz +/- 3 Hz Sync to mains
Power outlets6
Battery typeSealed Lead Acid
Runtime on batteryFull Load (255 W): Around 2 minutes
Half Load (127.5 W): Around 10 minutes
Battery charge time8 Hour(s)
AlertsAlarm when on battery : distinctive low battery alarm
Surge protection rating180 Joules
Size & build
Product dimensions5.5 in × 10 in × 4.1 in
Product weight5.73 lb (2.6 kg)
Shipping weight3.03 kg
Package size315 × 222 × 142 mm
Environment & compliance
Regulatory approvalsCalifornia (CEC) Battery Charger, cTUVus, FCC Part 15 Class B
RoHS Compliant

Other versions of this model

4 more in the same range

Questions about this item

Does the BE425M make any audible noise or generate noticeable heat during continuous all-day operation?

The unit uses a sealed lead-acid battery with no fan listed; only the distinct low-battery alarm sounds when running on battery, so normal mains operation is silent and produces minimal heat.

What wall receptacle and device plugs are required for the BE425M to work?

It needs a standard NEMA 5-15R wall receptacle for its attached NEMA 5-15P input plug; connected equipment must use NEMA 5-15P plugs to fit the six NEMA 5-15R outlets.

Will the BE425M’s square-wave output and 6 ms transfer time cause issues with older desktop power supplies that have active PFC?

The 6 ms transfer time and square-wave output are typical for entry-level UPS units; most older active-PFC supplies tolerate them, but very sensitive units may shut down during the switch.

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