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APC UPS BE850M2, 850VA UPS Battery Backup & Surge Protector, Backup Battery Uninterruptible Power Supply with (2) USB Charging Ports, APC Back-UPS Series

4.3 4.3 out of 5 stars 1,492 ratings

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Purchase options and add-ons

Brand APC
Battery Cell Composition Sealed Lead Acid
Voltage 120 Volts
Color Black
Material other

About this item

  • 850VA / 450W Backup Battery power supply
  • 9 Outlets (NEMA 5-15R): 6 UPS Battery Backup with Surge Protection Outlets, and 3 Surge Protector Only Outlets
  • Two USB Charger Ports (2.4A shared)
  • 5' Power Cord, right-angle 3-prong wall plug (NEMA 5-15P), wall-mountable, plus FREE Windows PC power-management software (Mac OS uses native "Energy Saver" Settings)
  • 3-5 Year Battery Life. APC UPS replacement battery sold separately (part No. RBC17)
  • Backed by APC's 3-YEAR warranty, plus a $75,000 connected-equipment policy
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From the manufacturer

BE850G2 Back-UPS by APC

A Reliable UPS with more power, extra outlets and USB charging ports

When the power goes out, an APC battery backup with surge protection provides guaranteed power for computers, external hard-drives and other electronics, including your wireless router so you can maintain a network connection for your IoT devices when you need it most! Ideal for full-sized computers and monitors, the Back-UPS BE850G2 offers 450W of power, 9 total outlets, plus two USB Charging ports (2.4A shared).

Back-UPS BE850M2 by APC
Features of the Back-UPS BE850M2 by APC

APC Desktop UPS for the Home or Office

The Features and Benefits of an APC Back-UPS


This compact but powerful Back-UPS has many features and benefits that might escape your first glance. Learn more about APC's 850VA Back-UPS.

Stay Connected

A UPS for the Internet of Things (IoT)


Every connected SmartHome needs a UPS to help keep your wifi on and available, so that your SmartHome stays, well...smart!

Where to use a Back-UPS 850VA UPS

Use a Back-UPS at your Desk

At your Desk

Give yourself the time to save documents and gracefully shut down your computer without the harsh impact on your electronics of sudden power loss.

Use a Back-UPS for your Wireless Router, Modem & IOT Devices

Wireless Router & IOT Devices

Stay connected via the internet when your power goes out. That wifi signal can still be available if your router is connected to a UPS.

Use a Back-UPS for your gaming consoles and PC's

Gaming System

Consoles, Gaming PC's, connected hard-drives and your Twitch stream all stay on when the lights go out.

Use a Back-UPS for your television, cablebox, and DVR

Television and Cablebox/DVR

Don't lose your DVR recordings when the power flickers. A connected cable/satellite box will continue recording, even when the house is dark.

Can you adjust the alarm settings or totally disable the alarm?

Yes, UPS's that are connected to computers can have their sensitivity settings adjusted in the PowerChute software; also you can specify what hours you want to disable the alarm, if desired. The alarm 'mode' can be set via the power button.

Will the USB Ports on top of this UPS continue to charge devices when the power goes out?

Yes, as long as there is battery power in the UPS, the USB Ports will actively power your Smartphone and other USB-charged devices.

How do you turn off the alarm?

You can temporarily mute some alarms with a 1-2 second press of the Power button, which mutes an alarm until the condition that caused the alarm is reset. Critical events (i.e. Battery replacement) require unit to be turned off.

How long will this UPS power my system when the power goes out?

The runtime of any UPS will vary based on the amount of power required by your the devices plugged into the battery backup outlets. In the PowerChute Software, you can see 'Estimated Battery Time' based on the power-draw of your connected devices.

Does BE850G2 have a replaceable battery?

When it's time to refresh the battery, APC offers a User-replaceable battery for model BE850G2 under part # RBC17 (sold separately). Depending on usage, a UPS battery typically lasts for 3-5 years before needing to be replaced.

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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APC UPS BE850M2, 850VA UPS Battery Backup & Surge Protector, Backup Battery Uninterruptible Power Supply with (2) USB Charging Ports, APC Back-UPS Series


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Price$153.91-18% $140.11
Typical:$169.99
$99.99-8% $124.33
List:$134.99
$79.00
Delivery
Get it Mar 27 - 28
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it Mar 26 - 27
Get it as soon as Tuesday, Mar 26
Customer Ratings
Tech Support
3.6
2.7
5.0
3.6
3.6
Battery life
2.6
3.4
4.1
4.1
WiFi signal
3.0
4.7
3.8
3.8
Quality of material
2.5
4.2
4.2
Durability
2.0
4.2
4.2
Sold By
IPC-STORE✅
Amazon.com
Amazon.com
HiTouch Business Services a BU of Staples
Amazon.com
power outlets
9
8
4
9
7
size
850 VA
1200VA
700VA
850VA
600VA
battery charge time
4 hours
8 hours
8 hours
cable length
5 feet feet
5 feet feet
5 feet feet
5 feet feet
maximum surge rating
350 joules
490 joules
354 joules
wattage
450 watts
420 watts
450 watts
330 watts

Looking for specific info?

Product Description

The new APC Backups optimize home and small business uninterruptible power supplies (UPS) by focusing on the most critical aspects of power protection. Charging Time 8 hours.

What's in the box

  • UPS^User Manual^USB Cable
  • Customer reviews

    4.3 out of 5 stars
    4.3 out of 5
    1,492 global ratings
    APC BE850M2 / 21W Load / 136 Minutes till shutdown
    4 Stars
    APC BE850M2 / 21W Load / 136 Minutes till shutdown
    APC BE850M2 delivered Feb 20, 2020. Included quality control printout noted manufacture date of Feb 4, 2019. Connected 21W total load (Arris 1000 GI4 Fios ONT, Asus RT-AC68U wireless router, Raspberry Pi 4) as measured from the outlet with a Kill-A-Watt meter.I let the UPS battery charge for ~3 days before pulling the plug to test actual battery runtime. Before pulling the plug, the software estimated a battery runtime of 148 minutes with a 3-4% load. See attached image of battery charge at different runtimes. Actual battery runtime before UPS forced shutdown @ 10% charge was 136 minutes.If you look at the APC website, for this UPC they estimate 90min runtime @ 45W load. Assuming 180min for a 21W load * 82% efficiency for the low 21W load * 90% actual battery usage before shutdown @ 10% = ~133min runtime, so actual runtime is pretty close to calculated runtime.If you have a Raspberry Pi, you can run "Network UPS Tool"s on it to monitor this UPS and send yourself emails if the power goes out and this UPS switches to battery. Search google for "Logan Marchione Raspberry Pi UPS monitor" to find some easy to follow instructions for setup.
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    Top reviews from other countries

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    Dmitri Kolytchev
    5.0 out of 5 stars Work
    Reviewed in Canada on November 7, 2020
    Chava M
    5.0 out of 5 stars No es escandaloso
    Reviewed in Mexico on November 11, 2018
    2 people found this helpful
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    John
    5.0 out of 5 stars Great backup
    Reviewed in Canada on December 20, 2021
    Marco Antonio Ramirez Zuno
    5.0 out of 5 stars Excelente calidad, compacto y fincional
    Reviewed in Mexico on May 11, 2021
    JM
    1.0 out of 5 stars El producto que se me envío está usado. no hay devoluciones. Ojo con esto.
    Reviewed in Mexico on May 13, 2022
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    JM
    1.0 out of 5 stars El producto que se me envío está usado. no hay devoluciones. Ojo con esto.
    Reviewed in Mexico on May 13, 2022
    El producto que recibí contiene signos de haber sido usado y reemplazado para vender
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