APC Back-UPS 700VA / 420W UPS Battery Backup Surge Protector, 6 Outlets (BE700G3)

Quick take

The APC Back-UPS BE700G3 is a small, wall-mountable UPS designed to keep key home office and networking gear running during brief outages, not to power a whole workstation indefinitely. Buyers tend to use it for modems, routers, and PCs, and it offers 4 battery-backup outlets (plus 2 surge-only) along with shared USB-A and USB-C charging. The main caveat is that runtime is limited and can drop quickly if you plug in higher-draw devices, so outlet planning matters.

Pros and cons

Pros

  • 700VA / 420W capacity aimed at short-term backup for essential electronics.
  • 6 outlets total, with 4 battery-backup outlets plus 2 surge-only outlets for flexible device placement.
  • USB charging (USB-C and USB-A) for phone and small accessories, using a shared 5V/3A design.
  • Space-saving tower design with clear status indicators and audible alerts.

Cons

  • Runtime depends on load, so it may not cover longer outages when powering multiple power-hungry devices.
  • One recurring limitation is battery serviceability, with some users reporting the battery is not an “officially user-replaceable” item.
  • Surge protection is meaningful, but it is not a substitute for correctly sizing a UPS to your equipment’s wattage needs.

What buyers think

Reviewed productBuy on Amazon

Buyer-review evidence is mixed but generally useful for understanding fit. Several shoppers report that the BE700G3 successfully keeps networking gear such as modems and routers running during sudden power interruptions, which helps prevent downtime and reboot cycles. Others highlight its practical, simple day-to-day usability, including quiet operation and readable setup guidance. There is also at least one low-rating report describing unexpected shutdown and beeping after charging, but broader buyer evidence around “failed out of the box” behavior is limited. Overall, the most consistent theme is that it works well for keeping essential, lower-draw devices online, while heavier loads can reduce backup time.

How this APC UPS is positioned

The BE700G3 is built for the common “home office essentials” scenario: a brief outage happens, you want your internet connection to stay up, and you want enough buffer time to save work and shut down safely. With a 420W maximum output and lead-acid battery technology, it is best thought of as a short-run stabilizer and graceful-shutdown helper for key devices, rather than a whole-home power source.

Key features that matter in everyday use

Outlet layout for practical device planning

It includes 6 outlets total. Four outlets provide battery backup and surge protection, and two outlets are surge-only. In practice, this is useful because you can dedicate the battery-backed outlets to equipment you care about most during outages (like your modem/router, small networking hardware, or a basic computer setup), while noncritical items can go on surge-only power.

USB-C and USB-A charging for accessories

There are both USB-C and USB-A ports with a shared output rating of 5V/3A. This can help keep essentials like phones, tablets, or small peripherals charged during an outage window, but it is not intended to power high-draw devices.

Status indicators and alerts

The unit is designed to communicate UPS status using clear indicators and audible alerts. For many buyers, that’s part of the appeal because you can quickly tell whether you are on battery and when action is needed.

Compact tower form factor

At about 9.64 inches deep, 3.54 inches wide, and 6.57 inches high, it is sized for small desktops or under-desk placement. It is also described as wall-mountable, which can be helpful in apartments and tight home office setups.

Runtime, charging, and what to expect

Reviewed productBuy on Amazon

Charging time is listed at 8 hours. Runtime is rated up to 29 minutes when powering a 100W load, which is a helpful benchmark for planning. For lower-draw networking equipment, that translated “real-world” value is often the difference between staying connected long enough to ride out short outages and needing to restart afterward.

Buying tip: If you want longer runtime, keep the battery-backed outlets feeding lower-power devices. If you plug in higher-draw equipment, expect runtime to shrink accordingly.

Pros and cons for different buyer types

Best for

  • Home office and work-from-home setups that need brief outage ride-through.
  • People prioritizing Wi-Fi continuity, VOIP, and streaming devices during short power dips.
  • Shoppers who want both battery-backup outlets and dedicated surge-only outlets.
  • Anyone who values a compact, desk-friendly UPS with visible status and alerts.

Who should think twice

  • Buyers hoping to power multiple high-wattage devices for long outages.
  • Users who need a straightforward, fully “official” battery replacement process (some owners discuss battery service limitations).
  • Anyone who has not checked the expected wattage of their PC, monitor, and peripherals before choosing a UPS.

Price and availability

Pricing can vary over time, so it is worth checking the latest listing for current cost and in-stock status. If you are cross-shopping, compare the UPS’s output wattage (420W here), the number of battery-backed outlets, and the rated runtime under a relevant load.

Verdict

Reviewed productBuy on Amazon

The APC Back-UPS BE700G3 is a practical, compact UPS for protecting essential home office and networking gear during short outages and power interruptions. It is most compelling when you match the battery-backed outlets to your lower-draw “must stay on” equipment. If you expect to run heavier devices or need extended runtime, you will likely want to size up rather than rely on this unit alone.

Buy on Amazon

FAQ

How many outlets are battery backup vs surge-only?

This model provides 4 battery-backup outlets (with surge protection) and 2 additional surge-only outlets.

What runtime can I expect from the APC BE700G3?

The published rating is up to 29 minutes with a 100W load. Heavier equipment on the battery-backed outlets will reduce runtime.

How long does it take to charge the battery?

The listed battery charge time is 8 hours.

Is the BE700G3 good for Wi-Fi and modem protection?

It is designed for exactly that use case, with multiple battery-backup outlets intended for home networking and similar essentials during outages.

Does the unit include USB-C and USB-A ports?

Yes, it includes both USB-C and USB-A charging ports with a shared 5V/3A output rating.

What size devices should I avoid plugging into a 420W UPS?

To preserve runtime and avoid overload concerns, you generally want to keep the battery-backed outlets focused on lower-draw essentials. High-draw devices should be evaluated carefully against the UPS’s 420W capacity.

Specifications

Product TitleAPC Back-UPS 700VA / 420W UPS Battery Backup Surge Protector, 6 Outlets, Type C Charger, BE700G3 Uninterruptible Power Supply for Home Office & Wi-Fi
CategoryElectronics > Computers & Accessories > Computer Accessories & Peripherals > Uninterruptible Power Supply (UPS)
BrandAPC
ManufacturerAPC
Model NumberBE700G3
Item Weight7 Pounds
Product Dimensions9.64"D x 3.54"W x 6.57"H
ColorBlack, White
Voltage120 Volts
Amperage3.5 Amps
Battery Charge Time8 Hours
Form FactorTower
Input Voltage120 Volts (AC)
Maximum Power420 Watts
Surge Protection Rating490 Joules
Output Current3.5 Amps
Output Voltage120 Volts (AC)
Power Plug TypeType B - 3 pin (North American)
Connector TypeNEMA
Number of Outlets6
Battery Average Life29 minutes
Output Wattage420 Watts
Wattage420 watts
Runtime29 minutes
Item Dimensions D x W x H9.64"D x 3.54"W x 6.57"H
Item Dimensions9.64 x 3.54 x 6.57 inches
Battery Cell TypeLead Acid

Recommended next