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Rectangular black UPS with nine outlets and USB ports

APC

APC BE850M2 850 VA 450 W 9 Outlets UPS

SKU CH-82G9-R8SQ4 MPN BE850M2

Provides battery backup for six outlets plus surge protection for three more at 850 VA and 450 W with USB charging

  • International Version120V
  • Input Voltage Range92 - 139V
  • Input Frequency50/60 Hz +/- 3 Hz (auto sensing)
  • Input ConnectionNEMA 5-15P
  • VA Rating850 VA
  • Watts450 Watts
  • 850 VA capacity keeps essential devices running during outages
  • 450 W output supports desktop PC and monitor together
  • 6 battery-backed outlets protect work in progress from sudden power loss
  • 3 surge-only outlets shield printers and speakers from voltage spikes
  • 2 USB charging ports power phones and tablets without extra adapters

Compact desktop UPS for home office

The APC BE850M2 delivers 850 VA and 450 W of battery backup through six NEMA 5-15R outlets, with three additional surge-only outlets for peripherals. Two integrated USB charging ports keep phones or tablets powered without extra adapters. Designed for 120 V environments, it suits routers, modems and a single workstation.

Runtime and voltage window constraints

At full 450 W load the internal battery provides roughly two minutes of runtime, enough for a controlled shutdown but not extended operation. Input voltage is accepted between 92 V and 139 V, with automatic 50/60 Hz frequency sensing. Recharging the replaceable RBC17 cartridge takes about eight hours after a discharge event.

Outlet layout and replaceable battery

Six battery-backed outlets and three surge-only outlets are arranged on a single panel, letting you separate critical gear from less essential devices. The USB data port enables monitoring software on a connected PC. Audible alarms signal on-battery, low-battery and overload conditions. A 354 J surge rating handles typical line transients.

Highlights

  • 850 VA capacity keeps essential devices running during outages
  • 450 W output supports desktop PC and monitor together
  • 6 battery-backed outlets protect work in progress from sudden power loss
  • 3 surge-only outlets shield printers and speakers from voltage spikes
  • 2 USB charging ports power phones and tablets without extra adapters

Specifications

BrandAPC
SeriesBack-UPS
ModelBE850M2
International Version120V
Input Voltage Range92 - 139V
Input Frequency50/60 Hz +/- 3 Hz (auto sensing)
Input ConnectionNEMA 5-15P
VA Rating850 VA
Watts450 Watts
Output Voltage120V
Output Frequency50/60 Hz +/- 3 Hz
Outlets9
Outlet Type(3) NEMA 5-15R (Surge Protection)
(6) NEMA 5-15R (Battery Backup)
Battery Run Time450W: 2m
Battery Recharge Time8 hour(s)
Battery ReplaceableRBC17
AlarmsAlarm when on battery : distinctive low battery alarm : overload continuous tone alarm
Interface PortUSB
Surge Energy Rating354 Joules
FeaturesAdjustable voltage sensitivity
Provides the ability to adapt the UPS for optimal performance in specific power environments or generator applications.
Audible alarms
Provides notification of changing utility power and UPS power conditions.
Automatic self-test
Periodic battery self-test ensures early detection of a battery that needs to be replaced.
Battery failure notification
Provides early-warning fault analysis on batteries enabling timely preventive maintenance.
Building Wiring Fault Indicator
This LED informs users of potentially dangerous wiring problems in the wall circuit.
Co
Dimensions5.47" x 12.87" x 4.13"
Weight9.04 lbs.
Shipping weight4.80 kg
Package size429 × 188 × 168 mm

Questions about this item

Which outlet mix should I pick if I need battery backup for a desktop PC and monitor?

Choose the six NEMA 5-15R battery-backup outlets for the PC and monitor; the remaining three provide surge-only protection for accessories.

What does the 850 VA / 450 W rating mean when I plug in my equipment?

It supports up to 450 watts of active load; at that full load the internal battery runs for about two minutes before shutdown.

What does the USB port on this UPS actually do?

The USB port connects to a computer for power-management software and provides two USB charging ports for phones or tablets.

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