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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

  • Voltage version120 V
  • AC input voltage92–139 V
  • Input line frequency50/60 Hz +/- 3 Hz (auto sensing)
  • Power inputNEMA 5-15P
  • Volt-ampere rating850 VA
  • Power rating450 W
  • 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.

How it compares

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

Price $86.99
Cheaper than about 92% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameAPC
Product lineBack-UPS
Model nameBE850M2
Ports & slots
Communication portsUSB
Power
Voltage version120 V
AC input voltage92–139 V
Input line frequency50/60 Hz +/- 3 Hz (auto sensing)
Power inputNEMA 5-15P
Volt-ampere rating850 VA
Power rating450 W
Voltage output120 V
AC output frequency50/60 Hz +/- 3 Hz
Power outlets9
Runtime on battery450 W: 2m
Battery charge time8 hour(s)
Replacement batteryRBC17
AlertsAlarm when on battery : distinctive low battery alarm : overload continuous tone alarm
Surge protection rating354 Joules
Size & build
Product dimensions5.47 in × 12.87 in × 4.13 in
Product weight9.04 lb (4.1 kg)
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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