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

The runtimes of any UPS will vary based on the amount of power required by your connected devices

Will the UPS automatically switch-off from the battery backup when power is restored?

Yes, when adequate power is restored to the UPS (and is within the operating voltage range of the UPS), it will revert to passing utility power to connected electronics

Will this UPS provide continuous power in the case of a power outage?

This Back-UPS has a typical transfer time of 6ms to 10ms to switch to battery power when the main power goes out. The transfer time is fast enough that most devices will not experience a power drop when the UPS transitions to battery power

Can I plug the UPS to an extension cord or does it have to be plugged in to a wall outlet?

In order for your UPS to get the best power available, it should be plugged directly into the wall outlet. Plugging your UPS into a surge protector may cause the UPS to go to battery too often, when it normally would remain offline

How long does the battery last, and what is the replacement battery for this model?

The internal battery of Back-UPS BE850G2 is User-replaceable, and has a lifespan of 3-5 years (depending on the usage and maintenance of the battery). When the battery is ready to be replaced, you can purchase APC Replacement Battery model RBC17

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APC UPS 850VA/450W UPS Battery Backup & Surge Protector for PC, Router, NAS | Back-UPS UPS battery backup for home office electronics — 35-min runtime, surge protection, dual USB-A charging port

Product ID: 203162617

Details

Battery Cell Composition
Lead Acid
Brand
APC
Color
Black
Product Dimensions
4.13"D x x
Voltage
850 volts

⚡850VA/450W power capacity

🔋35-min runtime at 100W

🔌9 outlets + 2 USB-A ports

1326.27 DT

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Description

⚡ Power through outages like a pro — never miss a beat!

SMART CHARGING HUB - Dual USB-A ports (5V/2.4A shared) let you power phones and tablets without sacrificing essential outlets.
PEACE OF MIND WARRANTY - Backed by a 3-year warranty plus equipment protection for worry-free defense against power surges.
COMPREHENSIVE PROTECTION - Safeguard your entire workspace—computers, NAS, routers, and smart devices—with dedicated battery and surge outlets.
USER FRIENDLY MONITORING - Instant LED status indicators and silenceable alarms keep you informed without distractions.
UNINTERRUPTED PRODUCTIVITY - Keep your home office running smoothly with 35 minutes of backup power to save work or safely shut down.

The APC Back-UPS BE850G2 delivers reliable 850VA/450W battery backup and surge protection for home office electronics. With 9 outlets including 6 battery-backed and 3 surge-only, plus 2 USB-A charging ports, it ensures your devices stay powered and protected during outages. Featuring a 35-minute runtime at 100W, user-replaceable battery, and a 3-year warranty with equipment protection, it’s the essential safeguard for uninterrupted productivity and device longevity.

Specifications

ASIN	B085JJZDFK
Amperage	2.4
Battery Cell Type	Lead Acid
Battery Charge Time	8 hours
Best Sellers Rank	#26 in Computer Uninterruptible Power Supply Units
Brand	APC
Color	Black
Connector Type	NEMA
Customer Reviews	4.6 4.6 out of 5 stars (3,790)
EU Spare Part Availability Duration	5 years
Enclosure Material	1
Form Factor	Tower
Global Trade Identification Number	00731304413592
Input Voltage	120 volts
Item Dimensions	12.87 x 4.13 x 5.47 inches
Item Dimensions D x W x H	4.13"D x 12.87"W x 5.47"H
Item Type Name	Uninterruptible Power Supply UPS
Item Weight	9.6 pounds
Manufacturer	APC
Maximum Power	450 watts
Mfr Part Number	BE850G2
Model Number	BE850G2
Number of Outlets	9
Output Current	2.4 A
Output Voltage	850 volts
Output Wattage	450 watts
Power Plug Type	Type B - 3 pin (North American)
Runtime	2 minutes
Specification Met	UL 1778
Surge Protection Rating	354 Joules
UPC	731304413592
Unit Count	1 Count
Voltage	850 volts
Warranty Description	3 years repair or replace
Wattage	450 watts

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1326.27 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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